CaptaLog – Thought Log & Notes
Capture ideas before they fade
Free
Capture thoughts and tasks before they slip away.
Just speak on Apple Watch, or quickly log from iPhone.
AI summarizes your day's logs for review and drafts.
Never forget a moment of inspiration.
CaptaLog is a fast logging app that lets you capture ideas by simply speaking on your Apple Watch.
Thoughts, insights, ideas.
Record them instantly—during meetings, on the move, or whenever inspiration strikes.
No editing or formatting. Just focus on capturing.
Your daily logs are organized in a timeline,
with related entries connected to preserve context.
When you look back, the flow of your day comes back naturally.
AI analyzes your daily logs to generate summaries and draft ideas.
Turn reflections and insights into your next output with ease.
CaptaLog helps you keep the flow of your thinking, just as it is.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
New
- Made it easier to share your logs with generative AI apps (ChatGPT, Claude, Gemini, etc.) for analysis. Available from the Summary screen.
- Added notifications to remind you when you forget to log. Configure on/off and time in Settings.
Improvements
- The app now opens the Timeline screen on launch and after saving a log.
- Various minor improvements.
Bug Fixes
- Fixed a bug where auto-generated summary candidates would disappear.
- Fixed missing localizations in several places.
The developer, ARIMASA MORIYA, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ARIMASA MORIYA
- Size
- 8.8 MB
- Category
- Productivity
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - Apple Watch
Requires watchOS 26.2 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Arimasa Moriya