# ThreeLinesDiary vs タテ帳

ThreeLinesDiary and タテ帳 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, タテ帳 every 4 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ThreeLinesDiary | タテ帳 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 26 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seiji Nagano](https://appshunter.io/developer/689628441) | [Takehiro Ichimnura](https://appshunter.io/developer/1697514237) |

## What reviewers say

### ThreeLinesDiary

[App page](https://appshunter.io/ios/app/threelinesdiary/id1161808671)

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.

**Highlights:** Three-line daily journal entries, Attach photos to entries, Daily writing reminders, Improve sleep quality, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### タテ帳

[App page](https://appshunter.io/ios/app/id6451317442)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ThreeLinesDiary free?

ThreeLinesDiary is free to download, with no in-app purchases.

### Is タテ帳 free?

タテ帳 is free to download, with no in-app purchases.

### Do ThreeLinesDiary or タテ帳 have ads?

Both ThreeLinesDiary and タテ帳 show ads.

### Which is updated more often, ThreeLinesDiary or タテ帳?

ThreeLinesDiary ships an update every 6 months, and タテ帳 every 4 months. Most recently, ThreeLinesDiary was updated on October 24, 2026 and タテ帳 on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*