# 美加+ vs 超级错题本

The clearest difference is in-app purchases: 美加+ at none against 超级错题本's 1. 美加+ also leads on iOS requirement (11.0 vs 18.6). 超级错题本's advantage is update cadence (every 5 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. 超级错题本 sells 1 one-off in-app purchase. 美加+ asks for nothing beyond the download.

美加+ ships an update every 10 days, 超级错题本 every 5 days. The most recent releases landed on September 13, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 美加+ | 超级错题本 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Size | 53 MB | 30 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [颙 刘](https://appshunter.io/developer/1754973545) | [功亮 张](https://appshunter.io/developer/1826484363) |

## What reviewers say

### 美加+

[App page](https://appshunter.io/ios/app/plus/id6683301199)

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

**In-app purchases:** none


### 超级错题本

[App page](https://appshunter.io/ios/app/id6753838149)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 错题本专业版 | $0.99 | one-time |


## Frequently asked questions

### Is 美加+ free?

美加+ is free to download, with no in-app purchases.

### Is 超级错题本 free?

超级错题本 is free to download, with in-app purchases available.

### Do 美加+ or 超级错题本 have ads?

Neither 美加+ nor 超级错题本 shows ads.

### Which is updated more often, 美加+ or 超级错题本?

美加+ ships an update every 10 days, and 超级错题本 every 5 days. Most recently, 美加+ was updated on September 13, 2026 and 超级错题本 on September 16, 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.*