# スメモ vs 16文字日記

スメモ and 16文字日記 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | スメモ | 16文字日記 |
| --- | --- | --- |
| 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 | 20 MB | 75 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Konno](https://appshunter.io/developer/1492396857) | [Kenta Fukushima](https://appshunter.io/developer/1514527789) |

## What reviewers say

### スメモ

[App page](https://appshunter.io/ios/app/id1561448931)

**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 スメモ free?

スメモ 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 スメモ or 16文字日記 have ads?

Both スメモ and 16文字日記 show ads.

### Which is updated more often, スメモ or 16文字日記?

スメモ ships an update every 2 months, and 16文字日記 every 2 months. Most recently, スメモ was updated on October 7, 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.*