# 错题机H2 vs 超级错题本

The clearest difference is in-app purchases: 错题机H2 at none against 超级错题本's 1. 错题机H2 also leads on device support (3 vs 1) and iOS requirement (9.0 vs 18.6). 超级错题本's advantage is update cadence (every 5 days vs every 5 weeks). On price and ads there is nothing between them.

Both are free to download. 超级错题本 sells 1 one-off in-app purchase. 错题机H2 asks for nothing beyond the download.

错题机H2 ships an update every 5 weeks, 超级错题本 every 5 days. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 错题机H2 | 超级错题本 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/h2/id1585629795/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 264 MB | 30 MB |
| Requires iOS | **9.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [厦门爱立得科技有限公司](https://appshunter.io/developer/1354877112) | [功亮 张](https://appshunter.io/developer/1826484363) |

## What reviewers say

### 错题机H2

[App page](https://appshunter.io/ios/app/h2/id1585629795)

This app combines learning, office productivity, and daily life tools. It pairs with a mini printer for inkless printing of notes, labels, and photos. Features include error correction, document editing, and text recognition.

**Highlights:** Error correction printing, Cloud-based error notebook, Chinese traditional culture learning, Foreign language learning with pronunciation, Document editing and printing, Text recognition from images, Label and photo printing, Daily planner and to-do lists

**Features:** macOS Compatibility

**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 错题机H2 free?

错题机H2 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 错题机H2 or 超级错题本 have ads?

Neither 错题机H2 nor 超级错题本 shows ads.

### Which is updated more often, 错题机H2 or 超级错题本?

错题机H2 ships an update every 5 weeks, and 超级错题本 every 5 days. Most recently, 错题机H2 was updated on October 7, 2026 and 超级错题本 on October 28, 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.*