# 自分史 vs 16文字日記

The clearest difference is ads: 自分史 at none against 16文字日記's shown. 自分史 also leads on update cadence (every 2 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

自分史 ships an update every 2 days, 16文字日記 every 2 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | 自分史 | 16文字日記 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 5 MB | 75 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Hirayama](https://appshunter.io/developer/1647022420) | [Kenta Fukushima](https://appshunter.io/developer/1514527789) |

## What reviewers say

### 自分史

[App page](https://appshunter.io/ios/app/id6443547216)

**Features:** macOS Compatibility

**In-app purchases:** none


### 16文字日記

[App page](https://appshunter.io/ios/app/16/id6448646374)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 自分史 free?

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

### Is 16文字日記 free?

16文字日記 is free to download, with no in-app purchases.

### Do 自分史 or 16文字日記 have ads?

16文字日記 shows ads; 自分史 does not.

### Which is updated more often, 自分史 or 16文字日記?

自分史 ships an update every 2 days, and 16文字日記 every 2 months. Most recently, 自分史 was updated on October 27, 2026 and 16文字日記 on October 27, 2026.

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