kolog
A journal, one stamp at a time
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
A stamp for a moment you want to keep.
kolog is a simple journal for everyday moments and moods. Choose a stamp to save a moment. Add a note or photo whenever you like.
Look back through your timeline and revisit the moments you’ve collected. At your own pace, whenever there’s something you want to keep.
No account needed. Your entries are stored on your device.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- You can now capture and save location information (only when explicitly enabled in Settings).
- Added a settings screen.
- Adjusted the UI.
The developer, Yasuhiro Yamamoto, 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
- Yasuhiro Yamamoto
- Size
- 82.3 MB
- Category
- Lifestyle
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Support the Developer $0.99
- Copyright
- © 2026 Yasuhiro Yamamoto