# DIY Sun Science vs SuperTrain

The clearest difference is in-app purchases: DIY Sun Science at none against SuperTrain's 3. DIY Sun Science also leads on iOS requirement (12.0 vs 15.0). SuperTrain's advantage is update cadence (every 3 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. SuperTrain sells 3 in-app purchases, starting at $0.99 per month. DIY Sun Science asks for nothing beyond the download.

DIY Sun Science ships an update every 6 months, SuperTrain every 3 weeks. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | DIY Sun Science | SuperTrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (21 ratings)](https://appshunter.io/ios/app/diy-sun-science/id836712493/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 91.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 134 MB | 207 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Lawrence Hall of Science](https://appshunter.io/developer/462994550) | [TUTU KIDS FUN Network Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1660485470) |

## What reviewers say

### DIY Sun Science

[App page](https://appshunter.io/ios/app/diy-sun-science/id836712493)

Explore the Sun through hands-on activities and real-time data. This app offers 15 engaging experiments, live solar images from NASA, and educational videos to foster understanding of solar science for families and educators.

**Highlights:** 15 hands-on solar activities, Step-by-step instructions, Live Sun images from NASA SDO, NASA Earth and space observatory images, NASA solar videos, Learn about solar activity

**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 DIY Sun Science free?

DIY Sun Science is free to download, with no in-app purchases.

### Is SuperTrain free?

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

### Do DIY Sun Science or SuperTrain have ads?

Neither DIY Sun Science nor SuperTrain shows ads.

### Which is updated more often, DIY Sun Science or SuperTrain?

DIY Sun Science ships an update every 6 months, and SuperTrain every 3 weeks. Most recently, DIY Sun Science was updated on October 23, 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.*