# 神兜兜 vs 错题机H2

The clearest difference is update cadence: 错题机H2 at every 5 weeks against 神兜兜's every 5 months. 错题机H2 also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

神兜兜 ships an update every 5 months, 错题机H2 every 5 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 神兜兜 | 错题机H2 |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 32 MB | 264 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [鉴 刘](https://appshunter.io/developer/1420089432) | [厦门爱立得科技有限公司](https://appshunter.io/developer/1354877112) |

## What reviewers say

### 神兜兜

[App page](https://appshunter.io/ios/app/id1560595554)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 神兜兜 free?

神兜兜 is free to download, with no in-app purchases.

### Is 错题机H2 free?

错题机H2 is free to download, with no in-app purchases.

### Do 神兜兜 or 错题机H2 have ads?

Neither 神兜兜 nor 错题机H2 shows ads.

### Which is updated more often, 神兜兜 or 错题机H2?

神兜兜 ships an update every 5 months, and 错题机H2 every 5 weeks. Most recently, 神兜兜 was updated on November 7, 2026 and 错题机H2 on November 3, 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.*