# ARPlanets 2 vs DIY Solar System

The clearest difference is review sentiment: DIY Solar System at 100% against ARPlanets 2's 57%. DIY Solar System also leads on rating (4.5 vs 3.3) and in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. ARPlanets 2 sells 1 one-off in-app purchase. DIY Solar System asks for nothing beyond the download.

DIY Solar System holds the better App Store score, 4.5 against 3.3. Both are backed by a comparable volume of ratings — 15 and 16 respectively. Written reviews point the same way: 57% of ARPlanets 2's written reviews are positive against 100% of DIY Solar System's.

ARPlanets 2 ships an update every 6 weeks, DIY Solar System every 2 months. The most recent releases landed on September 27, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | ARPlanets 2 | DIY Solar System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (15 ratings)](https://appshunter.io/ios/app/arplanets-2/id1387711637/reviews) | **[4.5 (16 ratings)](https://appshunter.io/ios/app/diy-solar-system/id1644242890/reviews)** |
| Number of ratings | 15 | **16** |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 423 MB | 180 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniele Citi](https://appshunter.io/developer/1187632258) | [The Lawrence Hall of Science](https://appshunter.io/developer/462994550) |

## What reviewers say

### ARPlanets 2

[App page](https://appshunter.io/ios/app/arplanets-2/id1387711637)

Explore the augmented reality Solar System with interactive 3D models and intuitive gestures. Learn basic and advanced astronomy concepts through engaging AR lessons.

**Highlights:** Augmented reality Solar System exploration, Interactive 3D model manipulation, Discover celestial body details, AR-based astronomy lessons, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access AR | $1.99 | one-time |


### DIY Solar System

[App page](https://appshunter.io/ios/app/diy-solar-system/id1644242890)

Explore the solar system with interactive activities and an augmented reality planet walk. Learn about space travel, design a moon base, and identify celestial objects. Developed by leading science institutions, this app makes learning about space engaging for families and educators.

**Highlights:** Interactive space activities, Augmented reality planet walk, Design a moon base, Grow a space garden, Control a Mars rover, In or Out space game, NASA imagery

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARPlanets 2 free?

ARPlanets 2 is free to download, with in-app purchases available.

### Is DIY Solar System free?

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

### Which has better reviews, ARPlanets 2 or DIY Solar System?

DIY Solar System is rated higher. ARPlanets 2 averages 3.3 out of 5 from 15 ratings, while DIY Solar System averages 4.5 from 16 ratings.

### Do ARPlanets 2 or DIY Solar System have ads?

Neither ARPlanets 2 nor DIY Solar System shows ads.

### Which is updated more often, ARPlanets 2 or DIY Solar System?

ARPlanets 2 ships an update every 6 weeks, and DIY Solar System every 2 months. Most recently, ARPlanets 2 was updated on September 27, 2026 and DIY Solar System on June 3, 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.*