# Planet simulation vs Idle Cosmo Maker

The clearest difference is update cadence: Idle Cosmo Maker at every 2 weeks against Planet simulation's every 8 months. Idle Cosmo Maker also leads on iOS requirement (10.0 vs 13.0). Planet simulation's advantage is review sentiment (74% vs 50%) and ratings volume (165 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Planet simulation holds the better App Store score, 3.9 against 3.7. That said, the two scores are not equally well evidenced: Planet simulation has 165 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 74% of Planet simulation's written reviews are positive against 50% of Idle Cosmo Maker's.

Planet simulation ships an update every 8 months, Idle Cosmo Maker every 2 weeks. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Planet simulation | Idle Cosmo Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (165 ratings)](https://appshunter.io/ios/app/planet-simulation/id356146219/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/idle-cosmo-maker-galaxy-space/id1565396112/reviews) |
| Number of ratings | **165** | 3 |
| Positive reviews | **74.3% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 15 MB | 242 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DAN-BALL](https://appshunter.io/developer/348592290) | [ARTIFICIAL INTELLIGENCE RESEARCH LAB LTD](https://appshunter.io/developer/1521935880) |

## What reviewers say

### Planet simulation

[App page](https://appshunter.io/ios/app/planet-simulation/id356146219)

Design and build your own solar system with various stars. Explore the fascinating world of gravity and recreate celestial bodies. A relaxing game for your spare time.

**Highlights:** Create your own solar system, Simulate gravity, Design with various stars, Reproduce celestial bodies, Relaxing gameplay

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Realistic gravity simulation
- 👍 Fun to mess around with
- 🎨 Visually appealing
- 🤖 Good for learning about planetary motion

**What reviewers complain about**

- 🐛 Planets often crash into the sun
- 🔍 Limited features and customization options
- 📢 Distracting ads
- 🤯 Confusing controls and UI

**Reported bugs**

- Planets sometimes disappear or behave erratically
- App crashes or freezes occasionally
- Scaling and scrolling issues

**Requested features**

- Add more celestial objects (black holes, supernovas, etc.)
- Allow for more complex orbits and binary systems
- Implement a save/load feature for solar systems
- Add a tutorial or help section
- Integrate with educational resources on astronomy


### Idle Cosmo Maker

[App page](https://appshunter.io/ios/app/idle-cosmo-maker-galaxy-space/id1565396112)

Build and expand your own universe by creating galaxies and populating them with planets. Upgrade your celestial bodies to generate passive income and unlock new cosmic wonders. Enjoy endless hours of space-themed farming with offline rewards.

**Highlights:** Build and expand galaxies, Populate with upgradeable planets, Generate passive income (Star Dust), Unlock new planets and galaxies, Rechargeable boosters, Offline reward system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Planet simulation free?

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

### Is Idle Cosmo Maker free?

Idle Cosmo Maker is free to download, with no in-app purchases.

### Which has better reviews, Planet simulation or Idle Cosmo Maker?

Planet simulation is rated higher. Planet simulation averages 3.9 out of 5 from 165 ratings, while Idle Cosmo Maker averages 3.7 from 3 ratings.

### Do Planet simulation or Idle Cosmo Maker have ads?

Both Planet simulation and Idle Cosmo Maker show ads.

### Which is updated more often, Planet simulation or Idle Cosmo Maker?

Planet simulation ships an update every 8 months, and Idle Cosmo Maker every 2 weeks. Most recently, Planet simulation was updated on October 22, 2026 and Idle Cosmo Maker on October 19, 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.*