# 书童AR互动科普 vs 公嗨课Plus

The clearest difference is iOS requirement: 书童AR互动科普 at 10.0 against 公嗨课Plus's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

书童AR互动科普 ships an update every 6 weeks, 公嗨课Plus every 2 months. The most recent releases landed on September 6, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | 书童AR互动科普 | 公嗨课Plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 2.7 GB | 33 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [训龙 何](https://appshunter.io/developer/878033547) | [Beijing Maituo Technology Co.,Ltd](https://appshunter.io/developer/1599696075) |

## What reviewers say

### 书童AR互动科普

[App page](https://appshunter.io/ios/app/ar/id1239255493)

**Features:** macOS Compatibility

**In-app purchases:** none


### 公嗨课Plus

[App page](https://appshunter.io/ios/app/plus/id1603741147)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 书童AR互动科普 free?

书童AR互动科普 is free to download, with no in-app purchases.

### Is 公嗨课Plus free?

公嗨课Plus is free to download, with no in-app purchases.

### Do 书童AR互动科普 or 公嗨课Plus have ads?

Neither 书童AR互动科普 nor 公嗨课Plus shows ads.

### Which is updated more often, 书童AR互动科普 or 公嗨课Plus?

书童AR互动科普 ships an update every 6 weeks, and 公嗨课Plus every 2 months. Most recently, 书童AR互动科普 was updated on September 6, 2026 and 公嗨课Plus on September 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.*