# 小牛错题本 vs 学小帮

The clearest difference is in-app purchases: 学小帮 at none against 小牛错题本's 4. 学小帮 also leads on update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 小牛错题本 sells 4 in-app purchases, starting at $2.99 per month. 学小帮 asks for nothing beyond the download.

小牛错题本 ships an update monthly, 学小帮 weekly. The most recent releases landed on September 9, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | 小牛错题本 | 学小帮 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 105 MB | 31 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [深圳市云领天下科技有限公司](https://appshunter.io/developer/725440563) | [宜文 郝](https://appshunter.io/developer/1711316539) |

## What reviewers say

### 小牛错题本

[App page](https://appshunter.io/ios/app/id6474232623)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小牛错题本连续包月（1个月） | $2.99 | per month |
| 小牛错题本连续包季（3个月） | $5.99 | per 3 months |
| 小牛错题本会员1个月 | $3.99 | one-time |
| 小牛错题本会员6个月 | $14.99 | one-time |


### 学小帮

[App page](https://appshunter.io/ios/app/ai/id6749823419)

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

**In-app purchases:** none


## Frequently asked questions

### Is 小牛错题本 free?

小牛错题本 is free to download, with in-app purchases available.

### Is 学小帮 free?

学小帮 is free to download, with no in-app purchases.

### Do 小牛错题本 or 学小帮 have ads?

Neither 小牛错题本 nor 学小帮 shows ads.

### Which is updated more often, 小牛错题本 or 学小帮?

小牛错题本 ships an update monthly, and 学小帮 weekly. Most recently, 小牛错题本 was updated on September 9, 2026 and 学小帮 on August 19, 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.*