ThreeLinesDiary vs DS チェックリスト
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ThreeLinesDiary
A simple journaling app designed to improve sleep quality by encouraging users to write a three-line diary entry before bed. It allows for photo attachments and provides daily reminders to help build a consistent writing habit.
- Three-line daily journal entries
- Attach photos to entries
- Daily writing reminders
- Improve sleep quality
- Simple and intuitive interface
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Write become just're autonomic nerve health. Write before going to bed, sleep quality is improved. 3-line diary which is said to have this effect. This app is an app that aims to write such a three-line diary. The has been prepared three items we wrote so good a word. In some cases, you might want be left with a photograph. In this app, you can save with a photo for each of the three items. Also to write every day, you might forget. In this app, by making a notification to the specified time, you will be able to habit to write at the same time each day.
DS チェックリスト
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シンプルで使いやすいチェックリストです。 毎日でも一度だけでも使えます。 あらかじめ用意されたテンプレートから項目を作成することもできます。
Screenshots
Verdict
The clearest difference is ads: DS チェックリスト at none against ThreeLinesDiary's shown. DS チェックリスト also leads on update cadence (every 5 days vs every 6 months) and iOS requirement (12.0 vs 15.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ThreeLinesDiary ships an update every 6 months, DS チェックリスト every 5 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | ThreeLinesDiary | DS チェックリスト |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| Update frequency | Every 6 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Seiji Nagano | Daisuke Hikosaka |
In-app purchases
ThreeLinesDiary
No in-app purchases
DS チェックリスト
No in-app purchases
