CloudWatcher2.3.1 - App Store
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Publisher Description
Look up at the sky, with new eyes.
CloudWatcher is an all-in-one cloud observation app: identify clouds with AI, learn from a built-in field guide, take quizzes, log every sky you see, and never miss a rainbow or sunset.
Features
Cloud AI Identification
Take a photo and let AI identify it across 10+ cloud types (cirrus・cumulus・stratus and more) with explanations of weather conditions and how to spot each one.
AR Labeling (New)
Point your camera at the sky and tap any cloud. AI labels stick in 3D space so you can compare multiple cloud types at once.
Today's Sky Live Activity (New)
Your Lock Screen and Dynamic Island show what's likely in today's sky in chronological order: rainbows・sunsets・sunrises・halos・cirrus days・stargazing nights.
Smart Sky Alerts (New)
Forecast and sun position predict moments like "Rainbow likely" or "Beautiful sunset expected" and notify you just in time. Each alert type can be toggled.
Cloud Field Guide
The 10 WMO cloud genera with photos・characteristics・meteorological context. Jump straight from the guide into capture mode.
Cloud Quizzes
Three difficulty levels (beginner・intermediate・advanced) to sharpen your observation skills.
Map and Statistics
See all your captures on a map. Track your most-photographed cloud types over time.
AI Chat
Ask questions about clouds and weather using your own photos as context.
For
・Sky lovers and amateur meteorologists
・Kids' science projects and classroom use
・Studying for meteorology exams
・Capturing memorable skies on travels
Compatibility
・iOS 17.6 or later
・Live Activity and Dynamic Island (iPhone 14 Pro and newer)
・AR Labeling requires A12 Bionic or newer
・English and Japanese
Weather powered by Apple WeatherKit. Cloud identification powered by cloud AI.
Version History • Cloud identification now uses the latest AI model, improving accuracy and response time when analyzing your sky photos.
• Fixed an issue on iOS 26 where photos were not attached when sharing to X (formerly Twitter). 2.3.1 Sep 22 This update adds a welcome experience for new users and makes learning more rewarding.
New and improved
・Added an onboarding flow for first-time users.
・Learning is more fun: cloud collection progress, cumulative quiz stats, and achievements.
・Open AR mode (point at the sky to label clouds) in one tap from the Learning screen.
・Tapping a sky-moment notification now opens the camera right away.
・Privacy: location is now off by default when sharing (you can still choose each time).
Fixes
・Fixed the share screen location toggle occasionally switching back off.
・Fixed "Unknown" briefly appearing while a new photo is being analyzed.
・Daily quiz streaks now count correctly.
・Startup optimizations and stability improvements. 2.3.0 Jun 7 What's New
• Polished English experience. We've fully localized the app's English UI — home, quiz, share, weather, and error screens now read naturally. Camera, location, and photo-library permission prompts are also localized.
• Easy reviews. Tap "Rate App" in Settings to open the App Store review page directly. We may also ask for a quick rating from inside the app after positive moments.
• Bug fixes: removed a duplicate Close button on the Statistics screen and fixed a missing space in the "186 clouds recorded" counter. 2.2.1 May 12 A Sincere Apology
In October 2025, we shipped version 2.1.0 as a complete rewrite of the app's internals. During that overhaul, we failed to migrate the cloud observation records that you had saved in the previous (Objective-C) versions of CloudWatcher.
For everyone who carefully recorded the skies day after day, and for those who had only just begun — we are deeply sorry that your records appeared to vanish from the app, and that it has taken us this long to address it. Please accept our sincerest apologies.
Recovering Your Old Data (Important)
This update includes a one-time recovery routine that automatically imports observation data left on your device by the previous version of the app.
・It runs automatically on the first launch after updating
・If the legacy data is still in the app's sandbox, your cloud names, timestamps, locations, memos, and photos will be restored to the new list
・Recovered photos are stored as legacy_*.jpg files
Unfortunately, in the following cases the data cannot be recovered:
・If you ever deleted the app and reinstalled it in the past (iOS clears all app-internal data the moment an app is removed)
・If you have switched to a new device and no longer have the device that contained the older app
We're truly sorry for this limitation.
Version 2.2.0 Another updates — A new way to look up at the sky
AR Labeling — A new third capture mode. Point your camera at the sky and tap any cloud to identify it on the spot. Labels stick in 3D space, so you can compare multiple cloud types in a single view.
Live Activity: Today's Sky — Your Lock Screen and Dynamic Island now show what's likely in the sky today — rainbows, sunsets, sunrises, halos, cirrus days, and clear nights — in chronological order. Never miss the right moment to look up.
Smart Sky Alerts — CloudWatcher reads the forecast and sun position to predict moments like "Rainbow likely" or "Beautiful sunset expected" and notifies you just before. Alerts mirror to your Apple Watch automatically. Toggle each type independently.
Refreshed Camera UI — Mode switching now lives in the navigation bar, giving every mode a full-screen camera view. 2.2.0 May 7 * Fixed bug in landscape mode camera. 2.1.4 11/16/2025 - Add Cloud Map
- Design refinement 2.1.3 10/13/2025 * When set to Japanese, location information has been modified to also be in Japanese
* Screen transitions have been improved
* Other bugs have been fixed 2.1.2 10/05/2025 * English support
* Camera zoom improvements
* Quiz difficulty adjustment
* Support for enlarged display of photographed clouds 2.1.1 10/02/2025 * アプリ全体のリニューアル
* 生成AIによる雲認識機能のサポート
* 雲の疑問に答えるAIアシスタントの追加
* 雲クイズの追加 2.1.0 10/01/2025 - iOS15 support 2.0.8 09/27/2021 - Twitter posting crush bug fixed. 2.0.7 10/01/2020 - When you upload photo from library, automatically detects cloud type.
- Cloud image changed. 2.0.6 09/07/2020 - Bug fix 2.0.5 02/03/2020 - Icon change
- Bug fix 2.0.4 01/26/2020 - Bug fix 2.0.3 01/22/2020 - Cloud proportion graph support. You can check the graph from Setting.
- You can filter clouds with cloud type in the album.
- Bug fixes. 2.0.2 01/20/2020 - Bug fix 2.0.1 01/08/2020 - Cloud identifier accuracy improvement.
- Bug fixes. 2.0.0 01/03/2020 - Bug fixes 1.9.9 10/08/2019 - Improved Facebook posting functionality. You can paste memo copied to clipboard before posting. 1.9.8 06/20/2019 - Facebook posting support. You need to input the comment by your own. 1.9.7 06/19/2019 - Location information bug fixed 1.9.6 03/13/2019 - iPhone X support
- Bug fixes 1.9.5 04/12/2018 - Bug fix 1.9.4 01/29/2018 - iOS11 support 1.9.3 10/02/2017
About CloudWatcher
The company that develops CloudWatcher is 隆明 弥生. The latest version released by its developer is 2.3.1.
To install CloudWatcher on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the CloudWatcher as malware if the download link is broken.
How to install CloudWatcher on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the CloudWatcher is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After CloudWatcher is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.3.1
posted on 2026-10-14
Version History • Cloud identification now uses the latest AI model, improving accuracy and response time when analyzing your sky photos.
• Fixed an issue on iOS 26 where photos were not attached when sharing to X (formerly Twitter). 2.3.1 Sep 22 This update adds a welcome experience for new users and makes learning more rewarding.
New and improved
・Added an onboarding flow for first-time users.
・Learning is more fun: cloud collection progress, cumulative quiz stats, and achievements.
・Open AR mode (point at the sky to label clouds) in one tap from the Learning screen.
・Tapping a sky-moment notification now opens the camera right away.
・Privacy: location is now off by default when sharing (you can still choose each time).
Fixes
・Fixed the share screen location toggle occasionally switching back off.
・Fixed "Unknown" briefly appearing while a new photo is being analyzed.
・Daily quiz streaks now count correctly.
・Startup optimizations and stability improvements. 2.3.0 Jun 7 What's New
• Polished English experience. We've fully localized the app's English UI — home, quiz, share, weather, and error screens now read naturally. Camera, location, and photo-library permission prompts are also localized.
• Easy reviews. Tap "Rate App" in Settings to open the App Store review page directly. We may also ask for a quick rating from inside the app after positive moments.
• Bug fixes: removed a duplicate Close button on the Statistics screen and fixed a missing space in the "186 clouds recorded" counter. 2.2.1 May 12 A Sincere Apology
In October 2025, we shipped version 2.1.0 as a complete rewrite of the app's internals. During that overhaul, we failed to migrate the cloud observation records that you had saved in the previous (Objective-C) versions of CloudWatcher.
For everyone who carefully recorded the skies day after day, and for those who had only just begun — we are deeply sorry that your records appeared to vanish from the app, and that it has taken us this long to address it. Please accept our sincerest apologies.
Recovering Your Old Data (Important)
This update includes a one-time recovery routine that automatically imports observation data left on your device by the previous version of the app.
・It runs automatically on the first launch after updating
・If the legacy data is still in the app's sandbox, your cloud names, timestamps, locations, memos, and photos will be restored to the new list
・Recovered photos are stored as legacy_*.jpg files
Unfortunately, in the following cases the data cannot be recovered:
・If you ever deleted the app and reinstalled it in the past (iOS clears all app-internal data the moment an app is removed)
・If you have switched to a new device and no longer have the device that contained the older app
We're truly sorry for this limitation.
Version 2.2.0 Another updates — A new way to look up at the sky
AR Labeling — A new third capture mode. Point your camera at the sky and tap any cloud to identify it on the spot. Labels stick in 3D space, so you can compare multiple cloud types in a single view.
Live Activity: Today's Sky — Your Lock Screen and Dynamic Island now show what's likely in the sky today — rainbows, sunsets, sunrises, halos, cirrus days, and clear nights — in chronological order. Never miss the right moment to look up.
Smart Sky Alerts — CloudWatcher reads the forecast and sun position to predict moments like "Rainbow likely" or "Beautiful sunset expected" and notifies you just before. Alerts mirror to your Apple Watch automatically. Toggle each type independently.
Refreshed Camera UI — Mode switching now lives in the navigation bar, giving every mode a full-screen camera view. 2.2.0 May 7 * Fixed bug in landscape mode camera. 2.1.4 11/16/2025 - Add Cloud Map
- Design refinement 2.1.3 10/13/2025 * When set to Japanese, location information has been modified to also be in Japanese
* Screen transitions have been improved
* Other bugs have been fixed 2.1.2 10/05/2025 * English support
* Camera zoom improvements
* Quiz difficulty adjustment
* Support for enlarged display of photographed clouds 2.1.1 10/02/2025 * アプリ全体のリニューアル
* 生成AIによる雲認識機能のサポート
* 雲の疑問に答えるAIアシスタントの追加
* 雲クイズの追加 2.1.0 10/01/2025 - iOS15 support 2.0.8 09/27/2021 - Twitter posting crush bug fixed. 2.0.7 10/01/2020 - When you upload photo from library, automatically detects cloud type.
- Cloud image changed. 2.0.6 09/07/2020 - Bug fix 2.0.5 02/03/2020 - Icon change
- Bug fix 2.0.4 01/26/2020 - Bug fix 2.0.3 01/22/2020 - Cloud proportion graph support. You can check the graph from Setting.
- You can filter clouds with cloud type in the album.
- Bug fixes. 2.0.2 01/20/2020 - Bug fix 2.0.1 01/08/2020 - Cloud identifier accuracy improvement.
- Bug fixes. 2.0.0 01/03/2020 - Bug fixes 1.9.9 10/08/2019 - Improved Facebook posting functionality. You can paste memo copied to clipboard before posting. 1.9.8 06/20/2019 - Facebook posting support. You need to input the comment by your own. 1.9.7 06/19/2019 - Location information bug fixed 1.9.6 03/13/2019 - iPhone X support
- Bug fixes 1.9.5 04/12/2018 - Bug fix 1.9.4 01/29/2018 - iOS11 support 1.9.3 10/02/2017
version 2.3.1
posted on 2026-09-26
Version History • Cloud identification now uses the latest AI model, improving accuracy and response time when analyzing your sky photos.
• Fixed an issue on iOS 26 where photos were not attached when sharing to X (formerly Twitter). 2.3.1 3d ago This update adds a welcome experience for new users and makes learning more rewarding.
New and improved
・Added an onboarding flow for first-time users.
・Learning is more fun: cloud collection progress, cumulative quiz stats, and achievements.
・Open AR mode (point at the sky to label clouds) in one tap from the Learning screen.
・Tapping a sky-moment notification now opens the camera right away.
・Privacy: location is now off by default when sharing (you can still choose each time).
Fixes
・Fixed the share screen location toggle occasionally switching back off.
・Fixed "Unknown" briefly appearing while a new photo is being analyzed.
・Daily quiz streaks now count correctly.
・Startup optimizations and stability improvements. 2.3.0 Jun 7 What's New
• Polished English experience. We've fully localized the app's English UI — home, quiz, share, weather, and error screens now read naturally. Camera, location, and photo-library permission prompts are also localized.
• Easy reviews. Tap "Rate App" in Settings to open the App Store review page directly. We may also ask for a quick rating from inside the app after positive moments.
• Bug fixes: removed a duplicate Close button on the Statistics screen and fixed a missing space in the "186 clouds recorded" counter. 2.2.1 May 12 A Sincere Apology
In October 2025, we shipped version 2.1.0 as a complete rewrite of the app's internals. During that overhaul, we failed to migrate the cloud observation records that you had saved in the previous (Objective-C) versions of CloudWatcher.
For everyone who carefully recorded the skies day after day, and for those who had only just begun — we are deeply sorry that your records appeared to vanish from the app, and that it has taken us this long to address it. Please accept our sincerest apologies.
Recovering Your Old Data (Important)
This update includes a one-time recovery routine that automatically imports observation data left on your device by the previous version of the app.
・It runs automatically on the first launch after updating
・If the legacy data is still in the app's sandbox, your cloud names, timestamps, locations, memos, and photos will be restored to the new list
・Recovered photos are stored as legacy_*.jpg files
Unfortunately, in the following cases the data cannot be recovered:
・If you ever deleted the app and reinstalled it in the past (iOS clears all app-internal data the moment an app is removed)
・If you have switched to a new device and no longer have the device that contained the older app
We're truly sorry for this limitation.
Version 2.2.0 Another updates — A new way to look up at the sky
AR Labeling — A new third capture mode. Point your camera at the sky and tap any cloud to identify it on the spot. Labels stick in 3D space, so you can compare multiple cloud types in a single view.
Live Activity: Today's Sky — Your Lock Screen and Dynamic Island now show what's likely in the sky today — rainbows, sunsets, sunrises, halos, cirrus days, and clear nights — in chronological order. Never miss the right moment to look up.
Smart Sky Alerts — CloudWatcher reads the forecast and sun position to predict moments like "Rainbow likely" or "Beautiful sunset expected" and notifies you just before. Alerts mirror to your Apple Watch automatically. Toggle each type independently.
Refreshed Camera UI — Mode switching now lives in the navigation bar, giving every mode a full-screen camera view. 2.2.0 May 7 * Fixed bug in landscape mode camera. 2.1.4 11/16/2025 - Add Cloud Map
- Design refinement 2.1.3 10/13/2025 * When set to Japanese, location information has been modified to also be in Japanese
* Screen transitions have been improved
* Other bugs have been fixed 2.1.2 10/05/2025 * English support
* Camera zoom improvements
* Quiz difficulty adjustment
* Support for enlarged display of photographed clouds 2.1.1 10/02/2025 * アプリ全体のリニューアル
* 生成AIによる雲認識機能のサポート
* 雲の疑問に答えるAIアシスタントの追加
* 雲クイズの追加 2.1.0 10/01/2025 - iOS15 support 2.0.8 09/27/2021 - Twitter posting crush bug fixed. 2.0.7 10/01/2020 - When you upload photo from library, automatically detects cloud type.
- Cloud image changed. 2.0.6 09/07/2020 - Bug fix 2.0.5 02/03/2020 - Icon change
- Bug fix 2.0.4 01/26/2020 - Bug fix 2.0.3 01/22/2020 - Cloud proportion graph support. You can check the graph from Setting.
- You can filter clouds with cloud type in the album.
- Bug fixes. 2.0.2 01/20/2020 - Bug fix 2.0.1 01/08/2020 - Cloud identifier accuracy improvement.
- Bug fixes. 2.0.0 01/03/2020 - Bug fixes 1.9.9 10/08/2019 - Improved Facebook posting functionality. You can paste memo copied to clipboard before posting. 1.9.8 06/20/2019 - Facebook posting support. You need to input the comment by your own. 1.9.7 06/19/2019 - Location information bug fixed 1.9.6 03/13/2019 - iPhone X support
- Bug fixes 1.9.5 04/12/2018 - Bug fix 1.9.4 01/29/2018 - iOS11 support 1.9.3 10/02/2017
version 2.3.0
posted on 2026-09-19
Version History This update adds a welcome experience for new users and makes learning more rewarding.
New and improved
・Added an onboarding flow for first-time users.
・Learning is more fun: cloud collection progress, cumulative quiz stats, and achievements.
・Open AR mode (point at the sky to label clouds) in one tap from the Learning screen.
・Tapping a sky-moment notification now opens the camera right away.
・Privacy: location is now off by default when sharing (you can still choose each time).
Fixes
・Fixed the share screen location toggle occasionally switching back off.
・Fixed "Unknown" briefly appearing while a new photo is being analyzed.
・Daily quiz streaks now count correctly.
・Startup optimizations and stability improvements. 2.3.0 Jun 7 What's New
• Polished English experience. We've fully localized the app's English UI — home, quiz, share, weather, and error screens now read naturally. Camera, location, and photo-library permission prompts are also localized.
• Easy reviews. Tap "Rate App" in Settings to open the App Store review page directly. We may also ask for a quick rating from inside the app after positive moments.
• Bug fixes: removed a duplicate Close button on the Statistics screen and fixed a missing space in the "186 clouds recorded" counter. 2.2.1 May 12 A Sincere Apology
In October 2025, we shipped version 2.1.0 as a complete rewrite of the app's internals. During that overhaul, we failed to migrate the cloud observation records that you had saved in the previous (Objective-C) versions of CloudWatcher.
For everyone who carefully recorded the skies day after day, and for those who had only just begun — we are deeply sorry that your records appeared to vanish from the app, and that it has taken us this long to address it. Please accept our sincerest apologies.
Recovering Your Old Data (Important)
This update includes a one-time recovery routine that automatically imports observation data left on your device by the previous version of the app.
・It runs automatically on the first launch after updating
・If the legacy data is still in the app's sandbox, your cloud names, timestamps, locations, memos, and photos will be restored to the new list
・Recovered photos are stored as legacy_*.jpg files
Unfortunately, in the following cases the data cannot be recovered:
・If you ever deleted the app and reinstalled it in the past (iOS clears all app-internal data the moment an app is removed)
・If you have switched to a new device and no longer have the device that contained the older app
We're truly sorry for this limitation.
Version 2.2.0 Another updates — A new way to look up at the sky
AR Labeling — A new third capture mode. Point your camera at the sky and tap any cloud to identify it on the spot. Labels stick in 3D space, so you can compare multiple cloud types in a single view.
Live Activity: Today's Sky — Your Lock Screen and Dynamic Island now show what's likely in the sky today — rainbows, sunsets, sunrises, halos, cirrus days, and clear nights — in chronological order. Never miss the right moment to look up.
Smart Sky Alerts — CloudWatcher reads the forecast and sun position to predict moments like "Rainbow likely" or "Beautiful sunset expected" and notifies you just before. Alerts mirror to your Apple Watch automatically. Toggle each type independently.
Refreshed Camera UI — Mode switching now lives in the navigation bar, giving every mode a full-screen camera view. 2.2.0 May 7 * Fixed bug in landscape mode camera. 2.1.4 11/16/2025 - Add Cloud Map
- Design refinement 2.1.3 10/13/2025 * When set to Japanese, location information has been modified to also be in Japanese
* Screen transitions have been improved
* Other bugs have been fixed 2.1.2 10/05/2025 * English support
* Camera zoom improvements
* Quiz difficulty adjustment
* Support for enlarged display of photographed clouds 2.1.1 10/02/2025 * アプリ全体のリニューアル
* 生成AIによる雲認識機能のサポート
* 雲の疑問に答えるAIアシスタントの追加
* 雲クイズの追加 2.1.0 10/01/2025 - iOS15 support 2.0.8 09/27/2021 - Twitter posting crush bug fixed. 2.0.7 10/01/2020 - When you upload photo from library, automatically detects cloud type.
- Cloud image changed. 2.0.6 09/07/2020 - Bug fix 2.0.5 02/03/2020 - Icon change
- Bug fix 2.0.4 01/26/2020 - Bug fix 2.0.3 01/22/2020 - Cloud proportion graph support. You can check the graph from Setting.
- You can filter clouds with cloud type in the album.
- Bug fixes. 2.0.2 01/20/2020 - Bug fix 2.0.1 01/08/2020 - Cloud identifier accuracy improvement.
- Bug fixes. 2.0.0 01/03/2020 - Bug fixes 1.9.9 10/08/2019 - Improved Facebook posting functionality. You can paste memo copied to clipboard before posting. 1.9.8 06/20/2019 - Facebook posting support. You need to input the comment by your own. 1.9.7 06/19/2019 - Location information bug fixed 1.9.6 03/13/2019 - iPhone X support
- Bug fixes 1.9.5 04/12/2018 - Bug fix 1.9.4 01/29/2018 - iOS11 support 1.9.3 10/02/2017 - Changed Facebook posting behavior. 1.9.2 04/10/2017
version 2.3.0
posted on 2026-06-10
Version History This update adds a welcome experience for new users and makes learning more rewarding.
New and improved
・Added an onboarding flow for first-time users.
・Learning is more fun: cloud collection progress, cumulative quiz stats, and achievements.
・Open AR mode (point at the sky to label clouds) in one tap from the Learning screen.
・Tapping a sky-moment notification now opens the camera right away.
・Privacy: location is now off by default when sharing (you can still choose each time).
Fixes
・Fixed the share screen location toggle occasionally switching back off.
・Fixed "Unknown" briefly appearing while a new photo is being analyzed.
・Daily quiz streaks now count correctly.
・Startup optimizations and stability improvements. 2.3.0 3d ago What's New
• Polished English experience. We've fully localized the app's English UI — home, quiz, share, weather, and error screens now read naturally. Camera, location, and photo-library permission prompts are also localized.
• Easy reviews. Tap "Rate App" in Settings to open the App Store review page directly. We may also ask for a quick rating from inside the app after positive moments.
• Bug fixes: removed a duplicate Close button on the Statistics screen and fixed a missing space in the "186 clouds recorded" counter. 2.2.1 May 12 A Sincere Apology
In October 2025, we shipped version 2.1.0 as a complete rewrite of the app's internals. During that overhaul, we failed to migrate the cloud observation records that you had saved in the previous (Objective-C) versions of CloudWatcher.
For everyone who carefully recorded the skies day after day, and for those who had only just begun — we are deeply sorry that your records appeared to vanish from the app, and that it has taken us this long to address it. Please accept our sincerest apologies.
Recovering Your Old Data (Important)
This update includes a one-time recovery routine that automatically imports observation data left on your device by the previous version of the app.
・It runs automatically on the first launch after updating
・If the legacy data is still in the app's sandbox, your cloud names, timestamps, locations, memos, and photos will be restored to the new list
・Recovered photos are stored as legacy_*.jpg files
Unfortunately, in the following cases the data cannot be recovered:
・If you ever deleted the app and reinstalled it in the past (iOS clears all app-internal data the moment an app is removed)
・If you have switched to a new device and no longer have the device that contained the older app
We're truly sorry for this limitation.
Version 2.2.0 Another updates — A new way to look up at the sky
AR Labeling — A new third capture mode. Point your camera at the sky and tap any cloud to identify it on the spot. Labels stick in 3D space, so you can compare multiple cloud types in a single view.
Live Activity: Today's Sky — Your Lock Screen and Dynamic Island now show what's likely in the sky today — rainbows, sunsets, sunrises, halos, cirrus days, and clear nights — in chronological order. Never miss the right moment to look up.
Smart Sky Alerts — CloudWatcher reads the forecast and sun position to predict moments like "Rainbow likely" or "Beautiful sunset expected" and notifies you just before. Alerts mirror to your Apple Watch automatically. Toggle each type independently.
Refreshed Camera UI — Mode switching now lives in the navigation bar, giving every mode a full-screen camera view. 2.2.0 May 7 * Fixed bug in landscape mode camera. 2.1.4 11/16/2025 - Add Cloud Map
- Design refinement 2.1.3 10/13/2025 * When set to Japanese, location information has been modified to also be in Japanese
* Screen transitions have been improved
* Other bugs have been fixed 2.1.2 10/05/2025 * English support
* Camera zoom improvements
* Quiz difficulty adjustment
* Support for enlarged display of photographed clouds 2.1.1 10/02/2025 * アプリ全体のリニューアル
* 生成AIによる雲認識機能のサポート
* 雲の疑問に答えるAIアシスタントの追加
* 雲クイズの追加 2.1.0 10/01/2025 - iOS15 support 2.0.8 09/27/2021 - Twitter posting crush bug fixed. 2.0.7 10/01/2020 - When you upload photo from library, automatically detects cloud type.
- Cloud image changed. 2.0.6 09/07/2020 - Bug fix 2.0.5 02/03/2020 - Icon change
- Bug fix 2.0.4 01/26/2020 - Bug fix 2.0.3 01/22/2020 - Cloud proportion graph support. You can check the graph from Setting.
- You can filter clouds with cloud type in the album.
- Bug fixes. 2.0.2 01/20/2020 - Bug fix 2.0.1 01/08/2020 - Cloud identifier accuracy improvement.
- Bug fixes. 2.0.0 01/03/2020 - Bug fixes 1.9.9 10/08/2019 - Improved Facebook posting functionality. You can paste memo copied to clipboard before posting. 1.9.8 06/20/2019 - Facebook posting support. You need to input the comment by your own. 1.9.7 06/19/2019 - Location information bug fixed 1.9.6 03/13/2019 - iPhone X support
- Bug fixes 1.9.5 04/12/2018 - Bug fix 1.9.4 01/29/2018 - iOS11 support 1.9.3 10/02/2017 - Changed Facebook posting behavior. 1.9.2 04/10/2017
version 2.2.0
posted on 2026-05-08
Version History A Sincere Apology
In October 2025, we shipped version 2.1.0 as a complete rewrite of the app's internals. During that overhaul, we failed to migrate the cloud observation records that you had saved in the previous (Objective-C) versions of CloudWatcher.
For everyone who carefully recorded the skies day after day, and for those who had only just begun — we are deeply sorry that your records appeared to vanish from the app, and that it has taken us this long to address it. Please accept our sincerest apologies.
Recovering Your Old Data (Important)
This update includes a one-time recovery routine that automatically imports observation data left on your device by the previous version of the app.
・It runs automatically on the first launch after updating
・If the legacy data is still in the app's sandbox, your cloud names, timestamps, locations, memos, and photos will be restored to the new list
・Recovered photos are stored as legacy_*.jpg files
Unfortunately, in the following cases the data cannot be recovered:
・If you ever deleted the app and reinstalled it in the past (iOS clears all app-internal data the moment an app is removed)
・If you have switched to a new device and no longer have the device that contained the older app
We're truly sorry for this limitation.
Version 2.2.0 Another updates — A new way to look up at the sky
AR Labeling — A new third capture mode. Point your camera at the sky and tap any cloud to identify it on the spot. Labels stick in 3D space, so you can compare multiple cloud types in a single view.
Live Activity: Today's Sky — Your Lock Screen and Dynamic Island now show what's likely in the sky today — rainbows, sunsets, sunrises, halos, cirrus days, and clear nights — in chronological order. Never miss the right moment to look up.
Smart Sky Alerts — CloudWatcher reads the forecast and sun position to predict moments like "Rainbow likely" or "Beautiful sunset expected" and notifies you just before. Alerts mirror to your Apple Watch automatically. Toggle each type independently.
Refreshed Camera UI — Mode switching now lives in the navigation bar, giving every mode a full-screen camera view. 2.2.0 1d ago * Fixed bug in landscape mode camera. 2.1.4 11/16/2025 - Add Cloud Map
- Design refinement 2.1.3 10/13/2025 * When set to Japanese, location information has been modified to also be in Japanese
* Screen transitions have been improved
* Other bugs have been fixed 2.1.2 10/05/2025 * English support
* Camera zoom improvements
* Quiz difficulty adjustment
* Support for enlarged display of photographed clouds 2.1.1 10/02/2025 * アプリ全体のリニューアル
* 生成AIによる雲認識機能のサポート
* 雲の疑問に答えるAIアシスタントの追加
* 雲クイズの追加 2.1.0 10/01/2025 - iOS15 support 2.0.8 09/27/2021 - Twitter posting crush bug fixed. 2.0.7 10/01/2020 - When you upload photo from library, automatically detects cloud type.
- Cloud image changed. 2.0.6 09/07/2020 - Bug fix 2.0.5 02/03/2020 - Icon change
- Bug fix 2.0.4 01/26/2020 - Bug fix 2.0.3 01/22/2020 - Cloud proportion graph support. You can check the graph from Setting.
- You can filter clouds with cloud type in the album.
- Bug fixes. 2.0.2 01/20/2020 - Bug fix 2.0.1 01/08/2020 - Cloud identifier accuracy improvement.
- Bug fixes. 2.0.0 01/03/2020 - Bug fixes 1.9.9 10/08/2019 - Improved Facebook posting functionality. You can paste memo copied to clipboard before posting. 1.9.8 06/20/2019 - Facebook posting support. You need to input the comment by your own. 1.9.7 06/19/2019 - Location information bug fixed 1.9.6 03/13/2019 - iPhone X support
- Bug fixes 1.9.5 04/12/2018 - Bug fix 1.9.4 01/29/2018 - iOS11 support 1.9.3 10/02/2017 - Changed Facebook posting behavior. 1.9.2 04/10/2017 - Bug fix 1.9.1 09/11/2016 - "Tweet after shoot" mode support. You can share cloud photo easily after shoot. Configurable from Setting.
- Bug fixes. 1.9.0 08/15/2016
version 2.1.4
posted on 2025-11-16
* Fixed bug in landscape mode camera.
version 2.1.3
posted on 2025-10-13
Oct 13, 2025
Version 2.1.3
- Add Cloud Map
- Design refinement
version 2.0.8
posted on 2021-09-27
Sep 27, 2021
Version 2.0.8
- iOS15 support
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