OneTapNote vs Simple Diary
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
OneTapNote
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OneTapNote, just tap, every day of your life. What do you need to note down? Your physical condition? Your exercise? What you studied? You are busy and have a lot of tasks to do every day. Maybe there is more than one kind of thing you want to record. No problem! You can note down your days with just a tap. ##Features## - Easy: just tap your days - Custom settings: icons, colors, tags, order - Safe: Your notes are not collected - Themes: multiple themes to choose from - Save: Backup and restore available - Output: CSV output supported - Reminder: I will notify you once a day if you need it - Languages: English, French, Italian, Japanese, Korean, Chinese (simplified/traditional) All ideas, feedback and suggestions are welcome. http://appa.flat-kids.net/
Simple Diary
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Forget the pressure of writing long entries. This app makes journaling simple and fun, letting you quickly jot down a single thought, a quick feeling, or the day's highlight. It's designed to fit seamlessly into your busy life, helping you build a positive habit without the fuss. "What's on your mind today?" "How was that meeting?" "Did something make you smile?" Your one-liners become a personal timeline, a digital scrapbook of your journey. Easily look back at your entries through a clean calendar view or a simple list, and rediscover those small, significant moments that make up your unique story. It's about making mindfulness easy and accessible. If you're looking for a simple way to reflect, track your mood, or just keep a quick record of your days, the "One-Liner Journal" is perfect for you. Start capturing your story, one line at a time!
Screenshots
Verdict
The clearest difference is update cadence: OneTapNote at monthly against Simple Diary's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OneTapNote ships an update monthly, Simple Diary every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | OneTapNote | Simple Diary |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly โ better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 โ better | 16.6 |
| Further details โ not scored | ||
| Size | 43 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Mami Takata | Kana Uchida |
In-app purchases
OneTapNote
No in-app purchases
Simple Diary
No in-app purchases









