# Solar System Viewer vs Satellite Rotation

The clearest difference is in-app purchases: Satellite Rotation at none against Solar System Viewer's 4. Satellite Rotation also leads on price ($0.99 vs $2.99) and iOS requirement (11.0 vs 26.0). Solar System Viewer's advantage is update cadence (every 2 months vs every 7 months). On ads and device support there is nothing between them.

Solar System Viewer costs $2.99 and Satellite Rotation $0.99 up front. Solar System Viewer sells 4 one-off in-app purchases. Satellite Rotation asks for nothing beyond the download.

Solar System Viewer ships an update every 2 months, Satellite Rotation every 7 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Solar System Viewer | Satellite Rotation |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[4.4 (28 ratings)](https://appshunter.io/ios/app/solar-system-viewer-8planets/id1554639445/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Paid | — |
| Size | 22 MB | 31 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BLUE COMET LABS LLC](https://appshunter.io/developer/1492055170) | [Masahiro Tomosada](https://appshunter.io/developer/1587710118) |

## What reviewers say

### Solar System Viewer

[App page](https://appshunter.io/ios/app/solar-system-viewer-8planets/id1554639445)

Explore and simulate the orbits of planets in our solar system. This app allows you to speed up or slow down time, travel to any date, and view planetary positions. It also offers widgets for your home screen and Apple Watch complications.

**Highlights:** Simulate planetary orbits, Adjust time speed, Time travel to specific dates, Home screen widgets, Apple Watch integration, View planet overviews

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Io Tip | $1.99 | one-time |
| Europa Tip | $3.99 | one-time |
| Ganymede Tip | $5.99 | one-time |
| Callisto Tip | $9.99 | one-time |


### Satellite Rotation

[App page](https://appshunter.io/ios/app/satellite-rotation/id6742694401)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar System Viewer free?

Solar System Viewer costs $2.99, and also offers in-app purchases.

### Is Satellite Rotation free?

Satellite Rotation costs $0.99, with no in-app purchases.

### Do Solar System Viewer or Satellite Rotation have ads?

Neither Solar System Viewer nor Satellite Rotation shows ads.

### Which is updated more often, Solar System Viewer or Satellite Rotation?

Solar System Viewer ships an update every 2 months, and Satellite Rotation every 7 months. Most recently, Solar System Viewer was updated on October 29, 2026 and Satellite Rotation on October 25, 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.*