# 汉藏英医学翻译 vs When Did I Sleep

The clearest difference is in-app purchases: 汉藏英医学翻译 at none against When Did I Sleep's 1. 汉藏英医学翻译 also leads on iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. When Did I Sleep sells 1 one-off in-app purchase. 汉藏英医学翻译 asks for nothing beyond the download.

## The numbers

| Metric | 汉藏英医学翻译 | When Did I Sleep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 22 MB | 7 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 9+ |
| Developer | [青海曼香农牧科技开发有限公司](https://appshunter.io/developer/1753876439) | [优贤 刘](https://appshunter.io/developer/6777862714) |

## What reviewers say

### 汉藏英医学翻译

[App page](https://appshunter.io/ios/app/id6514280231)

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

**In-app purchases:** none


### When Did I Sleep

[App page](https://appshunter.io/ios/app/when-did-i-sleep/id6778288048)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $2.99 | one-time |


## Frequently asked questions

### Is 汉藏英医学翻译 free?

汉藏英医学翻译 is free to download, with no in-app purchases.

### Is When Did I Sleep free?

When Did I Sleep is free to download, with in-app purchases available.

### Do 汉藏英医学翻译 or When Did I Sleep have ads?

Neither 汉藏英医学翻译 nor When Did I Sleep 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.*