# Planet simulation vs IncrediMarble

The clearest difference is rating: IncrediMarble at 4.8 against Planet simulation's 3.9. IncrediMarble also leads on update cadence (every 2 weeks vs every 7 months) and review sentiment (91% vs 74%). Planet simulation's advantage is in-app purchases (none vs 4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. IncrediMarble sells 4 one-off in-app purchases. Planet simulation asks for nothing beyond the download.

IncrediMarble holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: IncrediMarble has 1.2K ratings behind it against 164, 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 91% of IncrediMarble's.

Planet simulation ships an update every 7 months, IncrediMarble every 2 weeks. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Planet simulation | IncrediMarble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (164 ratings)](https://appshunter.io/ios/app/planet-simulation/id356146219/reviews) | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/incredimarble/id1466905980/reviews)** |
| Number of ratings | 164 | **1.2K** |
| Positive reviews | 74.3% of reviews | **90.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 15 MB | 210 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DAN-BALL](https://appshunter.io/developer/348592290) | [Art of the State LLC](https://appshunter.io/developer/1059604201) |

## 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


### IncrediMarble

[App page](https://appshunter.io/ios/app/incredimarble/id1466905980)

Design and construct elaborate marble slide towers with a variety of pieces. Experience realistic physics and ASMR sounds as marbles flow through your creations. Progress even when idle, earning in-game currency to unlock upgrades and expand your marble world.

**Highlights:** Build marble slide towers, Over 30 unique pieces, Realistic physics simulation, ASMR marble sounds, Idle progression system, Earn and spend in-game currency

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enable Race Mode | $1.99 | one-time |
| No Ads & Point Bonus | $3.99 | one-time |
| Enable Color Pickers | $4.99 | one-time |
| Enable Sandbox Mode | $7.99 | one-time |

**What reviewers like**

- 🚀 Smooth gameplay
- 👍 Relaxing and addictive
- 🎨 Unique and creative concept
- 💰 Satisfying progression and earnings
- 🔒 No intrusive ads

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔒 Expensive in-app purchases
- 🔒 Limited building space
- 🔒 Marbles getting stuck in pieces

**Reported bugs**

- Offline earnings not working correctly
- Bonus pieces not moving as scheduled
- Pieces interfering with marble movement

**Requested features**

- Sandbox mode with unlimited money
- More building pieces and customization options
- Ability to save and load custom tracks
- Upward-facing pieces for more complex designs
- Multi-select and move tool for building


## Frequently asked questions

### Is Planet simulation free?

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

### Is IncrediMarble free?

IncrediMarble is free to download, with in-app purchases available.

### Which has better reviews, Planet simulation or IncrediMarble?

IncrediMarble is rated higher. Planet simulation averages 3.9 out of 5 from 164 ratings, while IncrediMarble averages 4.8 from 1.2K ratings.

### Do Planet simulation or IncrediMarble have ads?

Both Planet simulation and IncrediMarble show ads.

### Which is updated more often, Planet simulation or IncrediMarble?

Planet simulation ships an update every 7 months, and IncrediMarble every 2 weeks. Most recently, Planet simulation was updated on September 28, 2026 and IncrediMarble on October 1, 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.*