# 三十天挑战 vs 自律日常

The clearest difference is device support: 自律日常 at 2 against 三十天挑战's —. 三十天挑战's advantage is iOS requirement (12.0 vs 15.0). On price 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.

## The numbers

| Metric | 三十天挑战 | 自律日常 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 25 MB | 67 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zhuhai Record Yi Technology Co.,Ltd.](https://appshunter.io/developer/1638483191) | [Beijing Jifeng Technology Small Store](https://appshunter.io/developer/1296718780) |

## What reviewers say

### 三十天挑战

[App page](https://appshunter.io/ios/app/id6748619161)

**In-app purchases:** none


### 自律日常

[App page](https://appshunter.io/ios/app/id6780907656)

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

**In-app purchases:** none


## Frequently asked questions

### Is 三十天挑战 free?

三十天挑战 is free to download, with no in-app purchases.

### Is 自律日常 free?

自律日常 is free to download, with no in-app purchases.

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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.*