# The Solar System vs ARPlanets 2

The clearest difference is price: ARPlanets 2 at Free against The Solar System's $1.99. ARPlanets 2 also leads on update cadence (every 6 weeks vs every 29 months). The Solar System's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

ARPlanets 2 is free to download; The Solar System costs $1.99 up front. ARPlanets 2 sells 1 one-off in-app purchase. The Solar System asks for nothing beyond the download.

The Solar System ships an update every 29 months, ARPlanets 2 every 6 weeks. Both last shipped on November 2, 2026.

## The numbers

| Metric | The Solar System | ARPlanets 2 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[3.3 (15 ratings)](https://appshunter.io/ios/app/arplanets-2/id1387711637/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 112 MB | 408 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Daniele Citi](https://appshunter.io/developer/1187632258) |

## What reviewers say

### The Solar System

[App page](https://appshunter.io/ios/app/the-solar-system-ar/id1322087991)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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, iPhone Duo support

**In-app purchases (1)**

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


## Frequently asked questions

### Is The Solar System free?

The Solar System costs $1.99, with no in-app purchases.

### Is ARPlanets 2 free?

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

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

Neither The Solar System nor ARPlanets 2 shows ads.

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

The Solar System ships an update every 29 months, and ARPlanets 2 every 6 weeks. Most recently, The Solar System was updated on November 2, 2026 and ARPlanets 2 on November 2, 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.*