# 松树自律 vs 时间沙漏：自律专注倒计时

The clearest difference is price: 时间沙漏：自律专注倒计时 at Free against 松树自律's $0.99. 松树自律's advantage is device support. On in-app purchases and iOS requirement there is nothing between them.

时间沙漏：自律专注倒计时 is free to download; 松树自律 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 松树自律 | 时间沙漏：自律专注倒计时 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 days | — |
| Size | 16 MB | 18 MB |
| Requires iOS | 17.0 | **16** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [Xiamen Kuaile Xiaotian Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1677484995) | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) |

## What reviewers say

### 松树自律

[App page](https://appshunter.io/ios/app/ai/id6446350660)

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

**In-app purchases:** none


### 时间沙漏：自律专注倒计时

[App page](https://appshunter.io/ios/app/id6747423701)

**In-app purchases:** none


## Frequently asked questions

### Is 松树自律 free?

松树自律 costs $0.99, with no in-app purchases.

### Is 时间沙漏：自律专注倒计时 free?

时间沙漏：自律专注倒计时 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.*