# SaturnMoons vs CosmoTime

SaturnMoons and CosmoTime both sit at 5.0 stars, but that hides the real split: 100% of CosmoTime's written reviews are positive against 40% of SaturnMoons's. CosmoTime also leads on price (Free vs $2.99) and update cadence (every 3 months vs every 26 months). SaturnMoons's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 18.6). On rating, ratings volume, ads and in-app purchases there is nothing between them.

CosmoTime is free to download; SaturnMoons costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for SaturnMoons against 5.0 for CosmoTime. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 40% of SaturnMoons's written reviews are positive against 100% of CosmoTime's.

SaturnMoons ships an update every 26 months, CosmoTime every 3 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SaturnMoons | CosmoTime |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/saturnmoons/id606938707/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cosmotime/id6761441228/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 36 MB | 7 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Guidebook Inc](https://appshunter.io/developer/1387977271) | [pezhman mohammadzadehkordestani](https://appshunter.io/developer/1888276473) |

## 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


### CosmoTime

[App page](https://appshunter.io/ios/app/cosmotime/id6761441228)

Explore the universe with this astronomy companion app. It simplifies complex space concepts through interactive visuals, daily insights, and gamified learning. Track your progress and discover major space missions and scientific breakthroughs.

**Highlights:** Explore planets and galaxies, Learn 70+ astronomy concepts, Daily personalized space content, Gamified learning with quizzes, Timeline of space discoveries, Dark-themed interface

**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 CosmoTime free?

CosmoTime is free to download, with no in-app purchases.

### Which has better reviews, SaturnMoons or CosmoTime?

SaturnMoons and CosmoTime are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do SaturnMoons or CosmoTime have ads?

Neither SaturnMoons nor CosmoTime shows ads.

### Which is updated more often, SaturnMoons or CosmoTime?

SaturnMoons ships an update every 26 months, and CosmoTime every 3 months. Most recently, SaturnMoons was updated on November 6, 2026 and CosmoTime on November 5, 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.*