Comparison

OneTapNote vs Simple Diary

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

OneTapNote

Features
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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/

About

Simple Diary

Features
Read full description

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

OneTapNote4 screens
Simple Diary2 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OneTapNote ships an update monthly, Simple Diary every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard1 real difference ยท 5 level
OneTapNote versus Simple Diary: the parameters behind the verdict, then further details
ParameterOneTapNoteSimple Diary
PriceFreeFree
Update frequencyMonthly โ€” betterEvery 3 months
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 โ€” better16.6
Further details โ€” not scored
Size43 MB8 MB
Age rating4+4+
DeveloperMami TakataKana Uchida

In-app purchases

None

OneTapNote

No in-app purchases

None

Simple Diary

No in-app purchases

Questions

Is OneTapNote free?
OneTapNote is free to download, with no in-app purchases.
Is Simple Diary free?
Simple Diary is free to download, with no in-app purchases.
Do OneTapNote or Simple Diary have ads?
Both OneTapNote and Simple Diary show ads.
Which is updated more often, OneTapNote or Simple Diary?
OneTapNote ships an update monthly, and Simple Diary every 3 months. Most recently, OneTapNote was updated on November 3, 2026 and Simple Diary on October 30, 2026.

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