Caleon vs One
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Caleon
Read full descriptionHide full description
Life story journaling is about exploring your life stories in order for you to become the best version of yourself. With Caleon, itβs easy to get started. You are guided through the reflection process from start to finish via reflection prompts that dive into a plethora of life story topics. Just find a reflection prompt you like, get out your favorite journal, and start reflecting.
One
Read full descriptionHide full description
One-Line Diary is a simple journaling app that lets you easily capture your daily thoughts and moments in just a few words. With the calendar view, you can look back on past entries and quickly see how many posts you made on each day at a glance. The built-in report feature helps you review and visualize your records, making it easy to notice changes in your feelings and habits over time. Designed with a clean and distraction-free interface, the app lets you focus entirely on your thoughts without interruption. Why not start recording small daily insights and emotional changes at your own pace?
Screenshots
Verdict
The clearest difference is update cadence: One at every 3 days against Caleon's every 5 weeks. One also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Caleon ships an update every 5 weeks, One every 3 days. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.
| Parameter | Caleon | One |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Every 3 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 15.0 | 13.0 β better |
| Further details β not scored | ||
| Size | 88 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Caleon | Yuga Matsumi |
In-app purchases
Caleon
No in-app purchases
One
No in-app purchases
