# SaturnMoons vs Planet Rotation

The clearest difference is update cadence: Planet Rotation at every 10 months against SaturnMoons's every 26 months. Planet Rotation also leads on price ($0.99 vs $2.99). SaturnMoons's advantage is iOS requirement (8.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

SaturnMoons costs $2.99 and Planet Rotation $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SaturnMoons ships an update every 26 months, Planet Rotation every 10 months. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SaturnMoons | Planet Rotation |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/saturnmoons/id606938707/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 10 months** |
| Monetization | Paid | — |
| Size | 36 MB | 41 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guidebook Inc](https://appshunter.io/developer/1387977271) | [Masahiro Tomosada](https://appshunter.io/developer/1587710118) |

## What reviewers say

### SaturnMoons

[App page](https://appshunter.io/ios/app/saturnmoons/id606938707)

Explore Saturn's rings and moons with this interactive guide. Pinpoint the location of its largest moons and step through time to see their future positions. Discover fascinating facts and images of Saturn's unique lunar family.

**Highlights:** Locate Saturn's nine largest moons, Pinch-zoomable interface, Local time synchronization, Time controls (seconds, hours, days, years), Customizable telescope view, Encyclopedia of Saturn's moons, Stunning images of moons

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

**In-app purchases:** none


### Planet Rotation

[App page](https://appshunter.io/ios/app/planet-rotation/id1604385250)

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

**In-app purchases:** none


## Frequently asked questions

### Is SaturnMoons free?

SaturnMoons costs $2.99, with no in-app purchases.

### Is Planet Rotation free?

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

### Do SaturnMoons or Planet Rotation have ads?

Neither SaturnMoons nor Planet Rotation shows ads.

### Which is updated more often, SaturnMoons or Planet Rotation?

SaturnMoons ships an update every 26 months, and Planet Rotation every 10 months. Most recently, SaturnMoons was updated on October 29, 2026 and Planet Rotation on October 8, 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.*