# DIY Sun Science vs Real Solar System

The clearest difference is rating: DIY Sun Science at 4.4 against Real Solar System's 1.0. DIY Sun Science also leads on ratings volume (21 vs 1) and iOS requirement (12.0 vs 17.6). Real Solar System's advantage is update cadence (monthly vs every 6 months). 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.

DIY Sun Science holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: DIY Sun Science has 21 ratings behind it against 1, so its average is the more settled of the two.

DIY Sun Science ships an update every 6 months, Real Solar System monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DIY Sun Science | Real Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (21 ratings)](https://appshunter.io/ios/app/diy-sun-science/id836712493/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/real-solar-system/id6475644962/reviews) |
| Number of ratings | **21** | 1 |
| Positive reviews | 91.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | — |
| Size | 134 MB | 302 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Lawrence Hall of Science](https://appshunter.io/developer/462994550) | [Masaya Nagaoka](https://appshunter.io/developer/1698240335) |

## 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


### Real Solar System

[App page](https://appshunter.io/ios/app/real-solar-system/id6475644962)

**In-app purchases:** none


## Frequently asked questions

### Is DIY Sun Science free?

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

### Is Real Solar System free?

Real Solar System is free to download, with no in-app purchases.

### Which has better reviews, DIY Sun Science or Real Solar System?

DIY Sun Science is rated higher. DIY Sun Science averages 4.4 out of 5 from 21 ratings, while Real Solar System averages 1.0 from 1 ratings.

### Do DIY Sun Science or Real Solar System have ads?

Neither DIY Sun Science nor Real Solar System shows ads.

### Which is updated more often, DIY Sun Science or Real Solar System?

DIY Sun Science ships an update every 6 months, and Real Solar System monthly. Most recently, DIY Sun Science was updated on October 23, 2026 and Real Solar System on October 24, 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.*