# AR太空科普 vs SuperTrain

The clearest difference is in-app purchases: AR太空科普 at none against SuperTrain's 3. AR太空科普 also leads on iOS requirement (11.0 vs 15.0). SuperTrain's advantage is update cadence (every 3 weeks vs every 7 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. SuperTrain sells 3 in-app purchases, starting at $0.99 per month. AR太空科普 asks for nothing beyond the download.

AR太空科普 ships an update every 7 months, SuperTrain every 3 weeks. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | AR太空科普 | SuperTrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 1.4 GB | 207 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IF Interactive Limited](https://appshunter.io/developer/883866623) | [TUTU KIDS FUN Network Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1660485470) |

## What reviewers say

### AR太空科普

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

**Features:** macOS Compatibility

**In-app purchases:** none


### SuperTrain

[App page](https://appshunter.io/ios/app/supertrain-tutukidsfun/id6755038088)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 图图星球超级高铁VIP-1个月 | $0.99 | per month |
| 图图星球超级高铁VIP-3个月 | $1.99 | per 3 months |
| 图图星球超级高铁VIP-1年 | $4.99 | per year |


## Frequently asked questions

### Is AR太空科普 free?

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

### Is SuperTrain free?

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

### Do AR太空科普 or SuperTrain have ads?

Neither AR太空科普 nor SuperTrain shows ads.

### Which is updated more often, AR太空科普 or SuperTrain?

AR太空科普 ships an update every 7 months, and SuperTrain every 3 weeks. Most recently, AR太空科普 was updated on October 18, 2026 and SuperTrain on October 22, 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.*