# 刻意自学 vs 生命余额

The clearest difference is in-app purchases: 生命余额 at none against 刻意自学's 9. 生命余额 also leads on iOS requirement (13.0 vs 16.2). On price, ads and device support there is nothing between them.

Both are free to download. 刻意自学 sells 9 in-app purchases, starting at $17.99 per month. 生命余额 asks for nothing beyond the download.

## The numbers

| Metric | 刻意自学 | 生命余额 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Size | 84 MB | 19 MB |
| Requires iOS | 16.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [杭州知行通识信息科技有限公司](https://appshunter.io/developer/1498605898) | [新月 杨](https://appshunter.io/developer/1710463779) |

## What reviewers say

### 刻意自学

[App page](https://appshunter.io/ios/app/id6447485344)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro会员月度套餐 | $17.99 | per month |
| Plus会员月度套餐 | $29.99 | per month |
| Pro会员季度套餐 | $34.99 | per 3 months |
| Ultra会员月度套餐 | $39.99 | per month |
| Pro会员年度套餐 | $39.99 | per year |
| Plus会员季度套餐 | $59.99 | per 3 months |
| Ultra会员季度套餐 | $89.99 | per 3 months |
| Plus会员年度套餐 | $99.99 | per year |
| Ultra会员年度套餐 | $199.99 | per year |


### 生命余额

[App page](https://appshunter.io/ios/app/id6758624382)

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

**In-app purchases:** none


## Frequently asked questions

### Is 刻意自学 free?

刻意自学 is free to download, with in-app purchases available.

### Is 生命余额 free?

生命余额 is free to download, with no in-app purchases.

### Do 刻意自学 or 生命余额 have ads?

Neither 刻意自学 nor 生命余额 shows ads.

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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.*