# 超级错题本 vs ice reader

The clearest difference is in-app purchases: ice reader at none against 超级错题本's 1. ice reader also leads on iOS requirement (16.1 vs 18.6). On price, update cadence, 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. ice reader asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 超级错题本 | ice reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 30 MB | 14 MB |
| Requires iOS | 18.6 | **16.1** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [功亮 张](https://appshunter.io/developer/1826484363) | [子诚 王](https://appshunter.io/developer/1473595659) |

## What reviewers say

### 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 |


### ice reader

[App page](https://appshunter.io/ios/app/ice-reader/id6811791533)

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

**In-app purchases:** none


## Frequently asked questions

### Is 超级错题本 free?

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

### Is ice reader free?

ice reader is free to download, with no in-app purchases.

### Do 超级错题本 or ice reader have ads?

Neither 超级错题本 nor ice reader shows ads.

### Which is updated more often, 超级错题本 or ice reader?

超级错题本 ships an update every 5 days, and ice reader every 5 days. Most recently, 超级错题本 was updated on November 9, 2026 and ice reader on October 31, 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.*