# Planetary Clock vs AR Solar System

The clearest difference is review sentiment: Planetary Clock at 57% against AR Solar System's 0%. Planetary Clock also leads on rating (4.9 vs 1.0) and ratings volume (34 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Planetary Clock costs $0.99 and AR Solar System $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planetary Clock holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Planetary Clock has 34 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 57% of Planetary Clock's written reviews are positive against 0% of AR Solar System's.

Planetary Clock ships an update every 27 months, AR Solar System every 83 months. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Planetary Clock | AR Solar System |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[4.9 (34 ratings)](https://appshunter.io/ios/app/planetary-clock/id812876503/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ar-solar-system-ar-planets/id1343139477/reviews) |
| Number of ratings | **34** | 1 |
| Positive reviews | **57.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 27 months** | Every 83 months |
| Monetization | Paid | Paid |
| Size | 14 MB | 5 MB |
| Requires iOS | **11.4** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piotr Knapczyk](https://appshunter.io/developer/1541886746) | [Mustafa Alpay](https://appshunter.io/developer/1018612630) |

## What reviewers say

### Planetary Clock

[App page](https://appshunter.io/ios/app/planetary-clock/id812876503)

Visualize the precise positions of all planets in the Solar System for any given day. It uses accurate NASA data for orbital calculations and relative planet sizing, offering a clear, educational view of celestial mechanics.

**Highlights:** Real-time planet positions, Accurate orbital calculations, Uses NASA data, Relative planet sizing, Educational solar system view

**Features:** macOS Compatibility

**In-app purchases:** none


### AR Solar System

[App page](https://appshunter.io/ios/app/ar-solar-system-ar-planets/id1343139477)

Explore the solar system with augmented reality. View planets, toggle labels and orbits, and manipulate time to observe celestial movements. This educational tool overlays celestial objects onto your real-world environment.

**Highlights:** Augmented Reality planets, Toggle planet labels, Toggle planet orbits, Speed up and rewind time, Overlay celestial objects

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Planetary Clock free?

Planetary Clock costs $0.99, with no in-app purchases.

### Is AR Solar System free?

AR Solar System costs $0.99, with no in-app purchases.

### Which has better reviews, Planetary Clock or AR Solar System?

Planetary Clock is rated higher. Planetary Clock averages 4.9 out of 5 from 34 ratings, while AR Solar System averages 1.0 from 1 ratings.

### Do Planetary Clock or AR Solar System have ads?

Neither Planetary Clock nor AR Solar System shows ads.

### Which is updated more often, Planetary Clock or AR Solar System?

Planetary Clock ships an update every 27 months, and AR Solar System every 83 months. Most recently, Planetary Clock was updated on October 16, 2026 and AR Solar System on September 30, 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.*