# AR四大名著 vs AI云私教

The clearest difference is update cadence: AI云私教 at every 10 days against AR四大名著's monthly. AR四大名著's advantage is iOS requirement (11.0 vs 13.0). 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.

AR四大名著 ships an update monthly, AI云私教 every 10 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | AR四大名著 | AI云私教 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Free |
| Size | 1.0 GB | 77 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [倩华 罗](https://appshunter.io/developer/1434787474) | [Beijing Miduo Future Technology Co., Ltd.](https://appshunter.io/developer/1060419459) |

## What reviewers say

### AR四大名著

[App page](https://appshunter.io/ios/app/ar/id6503275203)

**Features:** Vision Pro support

**In-app purchases:** none


### AI云私教

[App page](https://appshunter.io/ios/app/ai/id6752640316)

This app helps users memorize vocabulary by breaking down words into phonetic components and using AI-powered memory techniques. It aims to make learning new words easier and more effective.

**Highlights:** Word decomposition, Phonetic breakdown, AI memory techniques, Easier word memorization, Vocabulary learning

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

**In-app purchases:** none


## Frequently asked questions

### Is AR四大名著 free?

AR四大名著 is free to download, with no in-app purchases.

### Is AI云私教 free?

AI云私教 is free to download, with no in-app purchases.

### Do AR四大名著 or AI云私教 have ads?

Neither AR四大名著 nor AI云私教 shows ads.

### Which is updated more often, AR四大名著 or AI云私教?

AR四大名著 ships an update monthly, and AI云私教 every 10 days. Most recently, AR四大名著 was updated on October 7, 2026 and AI云私教 on October 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.*