Comparison

3行日記 vs Three Lines

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

Head to head
About

3行日記

Features
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3行日記 - シンプル日記は、今日の出来事や気づきを3行だけで残すためのシンプルな日記アプリです。 長い文章を書こうとすると続かない。 でも、1日を少しだけ振り返る時間は残したい。 そんなときに、3つの入力欄へ短く記録できます。 主な機能 ・今日の3行日記を記録 ・入力内容の自動保存 ・過去の日記を履歴で確認 ・過去の日記の編集 ・投稿前の内容確認 ・XやiOS標準共有への共有 日記の内容は端末内に保存されます。 アカウント登録なしで、すぐに使い始められます。 毎日の記録、ちょっとした振り返り、SNS投稿前の下書きメモとしてご利用ください。

About

Three Lines

Features
Read full description

Today, in three lines. Three Lines a Day is for capturing the day's events and thoughts in a few short lines, then looking back on them later from a calendar. Even on a day with no time for a long journal entry, answering three questions of your own choosing is enough to keep its shape. - Record today quickly with three short lines - Change the questions freely — use it for journaling, learning, practice, or family notes - Look back at days written, your current streak, and yourself 7 days ago, 1 month ago, or on this day last year - Browse every day you've written from a monthly calendar - Optionally show that day's calendar events or photos alongside your note - Shows only the locations recorded in your photos — no current location or movement history is collected - Export all your notes as JSON or plain text Your notes and settings stay on your device. No account required.

Screenshots

3行日記4 screens
Three Lines2 screens

Verdict

The call

The clearest difference is iOS requirement: Three Lines at 17.0 against 3行日記's 26.2. 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.

Scorecard1 real difference · 5 level
3行日記 versus Three Lines: the parameters behind the verdict, then further details
Parameter3行日記Three Lines
PriceFreeFree
Update frequency—Every 5 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS26.217.0 — better
Further details — not scored
Size1 MB5 MB
Age rating4+4+
Developertakuya okuNaoki Chiba

In-app purchases

None

3行日記

No in-app purchases

None

Three Lines

No in-app purchases

Questions

Is 3行日記 free?
3行日記 is free to download, with no in-app purchases.
Is Three Lines free?
Three Lines is free to download, with no in-app purchases.
Do 3行日記 or Three Lines have ads?
Neither 3行日記 nor Three Lines shows ads.

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