# 老己 · 与自己对话 vs 毛球日记

The clearest difference is in-app purchases: 毛球日记 at none against 老己 · 与自己对话's 3. 毛球日记 also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. 老己 · 与自己对话 sells 3 in-app purchases, starting at $1.99 per 7 days. 毛球日记 asks for nothing beyond the download.

老己 · 与自己对话 ships an update every 3 weeks, 毛球日记 every 3 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 老己 · 与自己对话 | 毛球日记 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 17 MB | 64 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [祖刚 宋](https://appshunter.io/developer/1872855104) | [欢 尹](https://appshunter.io/developer/1877843585) |

## What reviewers say

### 老己 · 与自己对话

[App page](https://appshunter.io/ios/app/id6758455833)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $1.99 | per 7 days |
| 年会员 | $4.99 | per year |
| AI分析 3次加油包 | $0.99 | one-time |


### 毛球日记

[App page](https://appshunter.io/ios/app/id6759290118)

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

**In-app purchases:** none


## Frequently asked questions

### Is 老己 · 与自己对话 free?

老己 · 与自己对话 is free to download, with in-app purchases available.

### Is 毛球日记 free?

毛球日记 is free to download, with no in-app purchases.

### Do 老己 · 与自己对话 or 毛球日记 have ads?

Neither 老己 · 与自己对话 nor 毛球日记 shows ads.

### Which is updated more often, 老己 · 与自己对话 or 毛球日记?

老己 · 与自己对话 ships an update every 3 weeks, and 毛球日记 every 3 days. Most recently, 老己 · 与自己对话 was updated on October 24, 2026 and 毛球日记 on October 20, 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.*