# AI错题树 vs Error Pilot

The clearest difference is in-app purchases: Error Pilot at none against AI错题树's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI错题树 sells 3 one-off in-app purchases. Error Pilot asks for nothing beyond the download.

## The numbers

| Metric | AI错题树 | Error Pilot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6771737023/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 48 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [南京五脉生物科技有限公司](https://appshunter.io/developer/6771737025) | [蒲艳 刘](https://appshunter.io/developer/1566693811) |

## What reviewers say

### AI错题树

[App page](https://appshunter.io/ios/app/ai/id6771737023)

Effortlessly capture and analyze your mistakes from tests and homework using AI. Organize errors by subject and type, receive correct problem-solving approaches, and track your learning progress to identify weak areas.

**Highlights:** Photo upload for questions and test papers, AI error diagnosis and correction guidance, Organize mistakes by subject and error type, Track learning progress and identify weak areas, Privacy protection with local AI analysis

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 AI calls | $0.99 | one-time |
| 1000 AI Calls | $4.99 | one-time |
| 5000 AI Calls | $24.99 | one-time |


### Error Pilot

[App page](https://appshunter.io/ios/app/error-pilot/id6775493960)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI错题树 free?

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

### Is Error Pilot free?

Error Pilot is free to download, with no in-app purchases.

### Do AI错题树 or Error Pilot have ads?

Neither AI错题树 nor Error Pilot shows ads.

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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.*