# DIY Sun Science vs Planets AR

The clearest difference is rating: DIY Sun Science at 4.4 against Planets AR's 3.7. DIY Sun Science also leads on in-app purchases (none vs 2) and ads (none vs shown). Planets AR's advantage is update cadence (daily vs every 6 months) and review sentiment (100% vs 92%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Planets AR sells 2 one-off in-app purchases. DIY Sun Science asks for nothing beyond the download.

DIY Sun Science holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 21 and 6 respectively. Written reviews complicate that: 92% of DIY Sun Science's written reviews are positive against 100% of Planets AR's, so the app with the better star average is not the one people write more warmly about.

DIY Sun Science ships an update every 6 months, Planets AR daily. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | DIY Sun Science | Planets AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (21 ratings)](https://appshunter.io/ios/app/diy-sun-science/id836712493/reviews)** | [3.7 (6 ratings)](https://appshunter.io/ios/app/planets-ar-our-solar-system/id6483760783/reviews) |
| Number of ratings | **21** | 6 |
| Positive reviews | 91.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 134 MB | 343 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Lawrence Hall of Science](https://appshunter.io/developer/462994550) | [Mayank Raj](https://appshunter.io/developer/1740256034) |

## 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


### Planets AR

[App page](https://appshunter.io/ios/app/planets-ar-our-solar-system/id6483760783)

Explore our solar system with an augmented reality experience. See planets, moons, and dwarf planets come to life in your room or the night sky. Learn fascinating facts and take photos for school projects.

**Highlights:** Augmented Reality solar system visualization, Interactive planet controls, Night mode for stargazing, Detailed planet information, Capture photos of celestial bodies, Talking planets for guidance

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Watermark | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is DIY Sun Science free?

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

### Is Planets AR free?

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

### Which has better reviews, DIY Sun Science or Planets AR?

DIY Sun Science is rated higher. DIY Sun Science averages 4.4 out of 5 from 21 ratings, while Planets AR averages 3.7 from 6 ratings.

### Do DIY Sun Science or Planets AR have ads?

Planets AR shows ads; DIY Sun Science does not.

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

DIY Sun Science ships an update every 6 months, and Planets AR daily. Most recently, DIY Sun Science was updated on November 6, 2026 and Planets AR on November 4, 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.*