# 北大好学 vs 失眠背单词

The clearest difference is in-app purchases: 北大好学 at none against 失眠背单词's 10. 北大好学 also leads on iOS requirement (11.0 vs 15.6). 失眠背单词's advantage is update cadence (every 6 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 失眠背单词 sells 10 one-off in-app purchases. 北大好学 asks for nothing beyond the download.

北大好学 ships an update every 2 months, 失眠背单词 every 6 days. The most recent releases landed on September 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 北大好学 | 失眠背单词 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 82 MB | 50 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Peking University](https://appshunter.io/developer/1194322669) | [世冲 孙](https://appshunter.io/developer/1839107844) |

## What reviewers say

### 北大好学

[App page](https://appshunter.io/ios/app/id6471815524)

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

**In-app purchases:** none


### 失眠背单词

[App page](https://appshunter.io/ios/app/zzz/id6811313347)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 四级精华词汇 | $0.99 | one-time |
| 六级精华词汇 | $0.99 | one-time |
| 考研精华词汇 | $0.99 | one-time |
| 托福精华词汇 | $0.99 | one-time |
| 计算机行业高频词 | $0.99 | one-time |
| GRE精华词汇 | $0.99 | one-time |
| BEC精华词汇 | $0.99 | one-time |
| 专四精华词汇 | $0.99 | one-time |
| 专八精华词汇 | $0.99 | one-time |
| 雅思精华词汇 | $0.99 | one-time |


## Frequently asked questions

### Is 北大好学 free?

北大好学 is free to download, with no in-app purchases.

### Is 失眠背单词 free?

失眠背单词 is free to download, with in-app purchases available.

### Do 北大好学 or 失眠背单词 have ads?

Neither 北大好学 nor 失眠背单词 shows ads.

### Which is updated more often, 北大好学 or 失眠背单词?

北大好学 ships an update every 2 months, and 失眠背单词 every 6 days. Most recently, 北大好学 was updated on September 28, 2026 and 失眠背单词 on October 26, 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.*