# Planetarium 3D vs ARPlanets 2

The clearest difference is price: ARPlanets 2 at Free against Planetarium 3D's $1.99. ARPlanets 2 also leads on ratings volume (15 vs 1). Planetarium 3D's advantage is rating (5.0 vs 3.3) and in-app purchases (none vs 1). On review sentiment, update cadence, ads and device support there is nothing between them.

ARPlanets 2 is free to download; Planetarium 3D costs $1.99 up front. ARPlanets 2 sells 1 one-off in-app purchase. Planetarium 3D asks for nothing beyond the download.

Planetarium 3D holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: ARPlanets 2 has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 50% of Planetarium 3D's written reviews are positive against 57% of ARPlanets 2's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 6 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Planetarium 3D | ARPlanets 2 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/planetarium-3d-solar-system/id966700707/reviews)** | [3.3 (15 ratings)](https://appshunter.io/ios/app/arplanets-2/id1387711637/reviews) |
| Number of ratings | 1 | **15** |
| Positive reviews | 50.0% of reviews | **57.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 35 MB | 408 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Solueman Hussain](https://appshunter.io/developer/504255127) | [Daniele Citi](https://appshunter.io/developer/1187632258) |

## What reviewers say

### Planetarium 3D

[App page](https://appshunter.io/ios/app/planetarium-3d-solar-system/id966700707)

Explore the solar system in an interactive 3D environment. Travel to planets, moons, dwarf planets, and asteroids, with detailed facts and stunning visuals. Launch cinematic tours and capture your favorite views.

**Highlights:** Interactive 3D solar system model, Instant travel to planets and moons, Explore dwarf planets and asteroids, Cinematic tours with various perspectives, Capture and share space views, Real science-inspired facts and data, Supports multiple Apple devices

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

**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 Planetarium 3D free?

Planetarium 3D costs $1.99, with no in-app purchases.

### Is ARPlanets 2 free?

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

### Which has better reviews, Planetarium 3D or ARPlanets 2?

Planetarium 3D is rated higher. Planetarium 3D averages 5.0 out of 5 from 1 ratings, while ARPlanets 2 averages 3.3 from 15 ratings.

### Do Planetarium 3D or ARPlanets 2 have ads?

Neither Planetarium 3D nor ARPlanets 2 shows ads.

### Which is updated more often, Planetarium 3D or ARPlanets 2?

Planetarium 3D ships an update every 6 weeks, and ARPlanets 2 every 6 weeks. Most recently, Planetarium 3D was updated on October 29, 2026 and ARPlanets 2 on October 29, 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.*