# 疯狂刷题 vs 错题星

The clearest difference is ads: 错题星 at none against 疯狂刷题's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 疯狂刷题 sells 10 one-off in-app purchases and 错题星 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

疯狂刷题 ships an update monthly, 错题星 every 3 weeks. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 疯狂刷题 | 错题星 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (259 ratings)](https://appshunter.io/ios/app/id1531067927/reviews)** | — |
| Number of ratings | **259** | — |
| Positive reviews | 90.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 95 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杭州芽儿星科技有限公司](https://appshunter.io/developer/1431606687) | [武汉未来之星人工智能科技有限公司](https://appshunter.io/developer/1770241827) |

## What reviewers say

### 疯狂刷题

[App page](https://appshunter.io/ios/app/id1531067927)

Access a vast collection of practice questions and past exams to prepare for your tests. Encounter diverse question types to broaden your thinking and solidify knowledge. This tool helps you connect learned concepts for confident exam performance.

**Highlights:** Extensive question bank, Real exam questions, Diverse question types, Knowledge consolidation, Exam preparation, Mind expansion

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6枚勋章 | $1.99 | one-time |
| 20枚勋章 | $3.99 | one-time |
| 50枚勋章 | $6.99 | one-time |
| 普通会员3年 | $14.99 | one-time |
| 高级会员1年 | $14.99 | one-time |
| 110枚勋章 | $14.99 | one-time |
| 100枚勋章 | $14.99 | one-time |
| 普通会员5年 | $17.99 | one-time |
| 高级会员3年 | $19.99 | one-time |
| 高级会员5年 | $22.99 | one-time |


### 错题星

[App page](https://appshunter.io/ios/app/ai/id1602483511)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2年会员（原价） | $39.99 | one-time |
| 12个月SVIP | $39.99 | one-time |
| 48个月SVIP | $59.99 | one-time |
| 72个月SVIP | $59.99 | one-time |
| 72个月VIP | $59.99 | one-time |
| 60个月SVIP | $59.99 | one-time |
| 96个月SVIP | $69.99 | one-time |
| 108个月SVIP | $69.99 | one-time |
| 终身SVIP（优惠） | $149.99 | one-time |
| 终身SVIP | $399.99 | one-time |


## Frequently asked questions

### Is 疯狂刷题 free?

疯狂刷题 is free to download, with in-app purchases available.

### Is 错题星 free?

错题星 is free to download, with in-app purchases available.

### Do 疯狂刷题 or 错题星 have ads?

疯狂刷题 shows ads; 错题星 does not.

### Which is updated more often, 疯狂刷题 or 错题星?

疯狂刷题 ships an update monthly, and 错题星 every 3 weeks. Most recently, 疯狂刷题 was updated on November 11, 2026 and 错题星 on November 7, 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.*