Comparison

16文字日記 vs Simple Journal

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

Head to head
About

16文字日記

This app allows users to record their daily thoughts and memories using only 16 characters. It's designed for those who find long journaling difficult or are short on time, making it easy to maintain a daily record and review past entries.

Highlights
  • 16-character daily entries
  • Monthly calendar view
  • Writing reminders
  • Passcode lock
  • Easy to continue daily
Features
Read full description

長文を書かなくていい、16文字だけの日記アプリ。 1日ひとことで残せるから、日記が続かない人でも気軽に続けやすい。 思いついたらすぐ書けて、あとで月ごとの一覧から見返せます。 16文字日記は、 「日記を書きたいけど長くは続かない」 「その日のことを少しだけ残したい」 そんな人のための、短文特化の日記アプリです。 ・長文を書くのがしんどい ・忙しい日でも少しだけ記録したい ・あとで気軽に振り返りたい ・1日を16文字以内でシンプルに記録 ・月ごとの一覧で日々の記録を見返せる ・リマインダーで書き忘れをやさしくサポート ・パスコードロックで安心して残せる たくさん書かなくていいから、続けやすい。 16文字だけで、毎日の思い出を気軽に残してみてください。

About

Simple Journal

A minimalist daily journaling app designed for effortless reflection. Focus on writing without distractions like titles, templates, or ads. Easily track your thoughts and memories with a simple, one-page-per-day format.

Highlights
  • No titles, autosave
  • One page per day
  • Calendar view for past entries
  • Keyword search
  • No ads or social features
  • Dark mode
  • Face ID/passcode lock
Read full description

Simple Journal is a quiet, comfortable journaling app you can keep up without effort. Open it whenever you feel like writing, and jot down just a few lines. That small habit, repeated day after day, becomes a record worth keeping. No titles. No templates. No save button. We stripped away everything unnecessary, so you can simply focus on writing. And Simple Journal has no ads — at all. Unlike many other apps, it wasn't built to generate ad revenue. Your entries stay yours, undisturbed by anyone else. Key Features ・No title needed, autosave — start writing the moment you open the app ・One page per day, with free editing and additions anytime ・Browse past entries instantly from the calendar view ・Find any entry in seconds with keyword search ・No ads, no social features, no AI ・Available in 日本語・English・한국어 Premium Features ・Dark mode ・Premium font selection ・Export your journal ・Import your journal ・Face ID / passcode lock Just one minute a day. Let's quietly record your everyday life.

Screenshots

16文字日記4 screens
Simple Journal4 screens

Verdict

The call

The clearest difference is review sentiment: Simple Journal at 100% against 16文字日記's 50%. Simple Journal also leads on ads (none vs shown). 16文字日記's advantage is in-app purchases (none vs 1). On price, update cadence, device support and iOS requirement 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. Simple Journal sells 1 one-off in-app purchase. 16文字日記 asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
16文字日記 versus Simple Journal: the parameters behind the verdict, then further details
Parameter16文字日記Simple Journal
PriceFreeFree
Rating—3.5 (2 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings—2 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size75 MB24 MB
Age rating4+4+
DeveloperKenta FukushimaDaiki Kitaoka

Customer experience

16文字日記

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Simple Journal

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

16文字日記

No in-app purchases

1 purchases

Simple Journal

One-time1
  • Premium$9.99

Questions

Is 16文字日記 free?
16文字日記 is free to download, with no in-app purchases.
Is Simple Journal free?
Simple Journal is free to download, with in-app purchases available.
Do 16文字日記 or Simple Journal have ads?
16文字日記 shows ads; Simple Journal does not.
Which is updated more often, 16文字日記 or Simple Journal?
16文字日記 ships an update every 2 months, and Simple Journal every 2 months. Most recently, 16文字日記 was updated on November 3, 2026 and Simple Journal on October 31, 2026.

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