Comparison

やることメモ帳 vs Simple Diary

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

Head to head
About

やることメモ帳

Features
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進捗が一目でわかるToDoリストです。

About

Simple Diary

Features
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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

やることメモ帳3 screens
Simple Diary2 screens

Verdict

The call

The clearest difference is update cadence: やることメモ帳 at every 2 weeks against Simple Diary's every 3 months. やることメモ帳 also leads on iOS requirement (14.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

やることメモ帳 ships an update every 2 weeks, Simple Diary every 3 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level
やることメモ帳 versus Simple Diary: the parameters behind the verdict, then further details
Parameterやることメモ帳Simple Diary
PriceFreeFree
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS14.0 — better16.6
Further details — not scored
Size3 MB8 MB
Age rating4+4+
Developerkazuki omoriKana Uchida

In-app purchases

None

やることメモ帳

No in-app purchases

None

Simple Diary

No in-app purchases

Questions

Is やることメモ帳 free?
やることメモ帳 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 やることメモ帳 or Simple Diary have ads?
Both やることメモ帳 and Simple Diary show ads.
Which is updated more often, やることメモ帳 or Simple Diary?
やることメモ帳 ships an update every 2 weeks, and Simple Diary every 3 months. Most recently, やることメモ帳 was updated on November 7, 2026 and Simple Diary on October 30, 2026.

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