# 小猿AI vs 错题plus

The clearest difference is update cadence: 小猿AI at every 5 days against 错题plus's every 6 weeks. 错题plus's advantage is review sentiment (95% vs 67%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 小猿AI sells 24 in-app purchases, starting at $3.99 per month and 错题plus sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

小猿AI ships an update every 5 days, 错题plus every 6 weeks. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 小猿AI | 错题plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.3K ratings)](https://appshunter.io/ios/app/ai/id1325419855/reviews)** | — |
| Number of ratings | **4.3K** | — |
| Positive reviews | 67.4% of reviews | **95.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 241 MB | 48 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Beijing Yuanli Science and Technology Co., Ltd.](https://appshunter.io/developer/551536747) | [上海启本信息科技有限公司](https://appshunter.io/developer/1476015216) |

## What reviewers say

### 小猿AI

[App page](https://appshunter.io/ios/app/ai/id1325419855)

This AI-powered educational companion assists students with homework, providing instant grading, detailed error analysis, and personalized explanations. It also supports teachers and parents by reducing the burden of checking assignments and offering scientific supervision, fostering a more efficient and engaging learning experience.

**Highlights:** 1-second homework grading, AI error analysis and solutions, 24/7 AI tutor for explanations, Dual-teacher video explanations, AI-powered lesson preview, Curriculum-aligned practice exercises, Oral calculation PK battles

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

**In-app purchases (24)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小猿口算VIP连续包月 | $3.99 | per month |
| VIP连续包月(首月优惠) | $3.99 | per month |
| VIP连续包月(续费优惠) | $3.99 | per month |
| VIP连续包月(首续优惠) | $3.99 | per month |
| VIP连续包月(首次优惠) | $3.99 | per month |
| 小猿口算VIP连续包月（首月优惠） | $3.99 | per month |
| 超级VIP连续包月 | $6.99 | per month |
| 小猿天天练连续包月首月优惠 | $6.99 | per month |
| 小猿天天练老版连续包月首页优惠 | $7.49 | per month |
| 小猿口算VIP连续包年(首续优惠) | $29.99 | per year |
| 小猿口算VIP连续包年(首年优惠) | $29.99 | per year |
| 小猿口算VIP连续包年（大促活动） | $34.99 | per year |
| 小猿口算1个月VIP | $3.99 | one-time |
| 小猿口算3个月VIP | $12.99 | one-time |
| 天天练（学练VIP）3个月 | $13.99 | one-time |
| 小猿口算5个月VIP | $14.99 | one-time |
| 活动特价12个月VIP | $22.99 | one-time |
| 618特价12个月VIP | $22.99 | one-time |
| 数学思维12个月会员 | $29.99 | one-time |
| 小猿口算12个月VIP | $34.99 | one-time |
| 双十二活动小猿天天练年卡+VIP年卡 | $39.99 | one-time |
| 小猿AI超级VIP12个月 | $49.99 | one-time |
| 小猿天天练12个月权益 | $59.99 | one-time |
| 小猿天天练12个月 | $79.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast algorithm learning
- 💡 Competitive gameplay
- 👍 Helpful for students
- 👍 Accurate answer checking

**What reviewers complain about**

- 🐛 Inaccurate answer detection
- 🔒 Restricted to domestic users
- 💰 Paywall for certain features
- 🐛 Compatibility issues with older devices
- 🐛 Occasional crashes and bugs

**Reported bugs**

- Incorrect answer detection
- Compatibility problems on some devices
- Frequent crashes and freezes
- Login issues for foreign users

**Requested features**

- Expand to international users
- Offer English language support
- Introduce identity verification for fair competition
- Improve accuracy of answer checking
- Add more practice content and difficulty levels


### 错题plus

[App page](https://appshunter.io/ios/app/plus/id1476015217)

This app helps students manage and review their mistakes. It allows you to scan and organize incorrect answers, receive personalized study plans, and access micro-lessons and practice problems based on your weak areas. It aims to improve learning through targeted review and reinforcement.

**Highlights:** Scan and organize incorrect answers, AI-powered problem solving and explanations, Personalized study plans, Micro-lessons for knowledge points, Extensive question bank, Printable practice sheets and custom exams

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 首月优惠价 | $1.99 | one-time |
| VIP包月 | $9.99 | one-time |
| 团购VIP包年 | $49.99 | one-time |
| VIP包年 | $59.99 | one-time |


## Frequently asked questions

### Is 小猿AI free?

小猿AI is free to download, with in-app purchases available.

### Is 错题plus free?

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

### Do 小猿AI or 错题plus have ads?

Neither 小猿AI nor 错题plus shows ads.

### Which is updated more often, 小猿AI or 错题plus?

小猿AI ships an update every 5 days, and 错题plus every 6 weeks. Most recently, 小猿AI was updated on October 25, 2026 and 错题plus on October 6, 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.*