# 16文字日記 vs おそうじリマインダー

The clearest difference is iOS requirement: おそうじリマインダー at 13.0 against 16文字日記's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 16, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 16文字日記 | おそうじリマインダー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 75 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenta Fukushima](https://appshunter.io/developer/1514527789) | [Kaoru Nishimura](https://appshunter.io/developer/1815862694) |

## What reviewers say

### 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


### おそうじリマインダー

[App page](https://appshunter.io/ios/app/id6747059607)

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

**In-app purchases:** none


## Frequently asked questions

### Is 16文字日記 free?

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

### Is おそうじリマインダー free?

おそうじリマインダー is free to download, with no in-app purchases.

### Do 16文字日記 or おそうじリマインダー have ads?

Both 16文字日記 and おそうじリマインダー show ads.

### Which is updated more often, 16文字日記 or おそうじリマインダー?

16文字日記 ships an update every 2 months, and おそうじリマインダー every 2 months. Most recently, 16文字日記 was updated on September 16, 2026 and おそうじリマインダー on September 28, 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.*