# 16文字日記 vs 心境日签

The clearest difference is in-app purchases: 16文字日記 at none against 心境日签's 2. 16文字日記 also leads on iOS requirement (15.0 vs 26.2). 心境日签's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 心境日签 sells 2 in-app purchases, starting at $1.99 per month. 16文字日記 asks for nothing beyond the download.

16文字日記 ships an update every 2 months, 心境日签 every 3 weeks. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 16文字日記 | 心境日签 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 75 MB | 4 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kenta Fukushima](https://appshunter.io/developer/1514527789) | [宇翔 李](https://appshunter.io/developer/1866921129) |

## 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


### 心境日签

[App page](https://appshunter.io/ios/app/id6757490640)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium | $14.99 | per year |


## 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 心境日签 free?

心境日签 is free to download, with in-app purchases available.

### Do 16文字日記 or 心境日签 have ads?

16文字日記 shows ads; 心境日签 does not.

### Which is updated more often, 16文字日記 or 心境日签?

16文字日記 ships an update every 2 months, and 心境日签 every 3 weeks. Most recently, 16文字日記 was updated on October 24, 2026 and 心境日签 on October 5, 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.*