# 书童AR互动科普 vs AR太空科普

The clearest difference is update cadence: 书童AR互动科普 at every 6 weeks against AR太空科普's every 7 months. 书童AR互动科普 also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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, AR太空科普 every 7 months. The most recent releases landed on September 6, 2026 and December 21, 2025 respectively.

## The numbers

| Metric | 书童AR互动科普 | AR太空科普 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Size | 2.7 GB | 1.4 GB |
| Requires iOS | **10.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [训龙 何](https://appshunter.io/developer/878033547) | [IF Interactive Limited](https://appshunter.io/developer/883866623) |

## 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


### AR太空科普

[App page](https://appshunter.io/ios/app/ar/id1545073628)

**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 AR太空科普 free?

AR太空科普 is free to download, with no in-app purchases.

### Do 书童AR互动科普 or AR太空科普 have ads?

Neither 书童AR互动科普 nor AR太空科普 shows ads.

### Which is updated more often, 书童AR互动科普 or AR太空科普?

书童AR互动科普 ships an update every 6 weeks, and AR太空科普 every 7 months. Most recently, 书童AR互动科普 was updated on September 6, 2026 and AR太空科普 on December 21, 2025.

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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.*