# Planet simulation vs UrCase Leap

The clearest difference is review sentiment: Planet simulation at 74% against UrCase Leap's 0%. Planet simulation also leads on in-app purchases (none vs 1) and rating (3.9 vs 3.6). UrCase Leap's advantage is update cadence (fortnightly vs every 7 months) and iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. UrCase Leap sells 1 one-off in-app purchase. Planet simulation asks for nothing beyond the download.

Planet simulation holds the better App Store score, 3.9 against 3.6. That said, the two scores are not equally well evidenced: Planet simulation has 164 ratings behind it against 11, 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 0% of UrCase Leap's.

Planet simulation ships an update every 7 months, UrCase Leap fortnightly. The most recent releases landed on September 28, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Planet simulation | UrCase Leap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (164 ratings)](https://appshunter.io/ios/app/planet-simulation/id356146219/reviews)** | [3.6 (11 ratings)](https://appshunter.io/ios/app/urcase-leap-galaxy-explorer/id1534935320/reviews) |
| Number of ratings | **164** | 11 |
| Positive reviews | **74.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 15 MB | 248 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DAN-BALL](https://appshunter.io/developer/348592290) | [UrCase](https://appshunter.io/developer/1033102887) |

## 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


### UrCase Leap

[App page](https://appshunter.io/ios/app/urcase-leap-galaxy-explorer/id1534935320)

Embark on an interstellar journey in this simple action game. Leap through the atmosphere to explore the universe, upgrade your rocket, and capture unique matter. Compete globally and unlock rare characters as you strive to reach the galaxy's end.

**Highlights:** Upgrade Rockets, Capture UrMatter, Chain Super Combos, Find the End of the Galaxy, Collect All Statues, Unlock Rare Characters, Worldwide Ranking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $1.99 | one-time |


## Frequently asked questions

### Is Planet simulation free?

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

### Is UrCase Leap free?

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

### Which has better reviews, Planet simulation or UrCase Leap?

Planet simulation is rated higher. Planet simulation averages 3.9 out of 5 from 164 ratings, while UrCase Leap averages 3.6 from 11 ratings.

### Do Planet simulation or UrCase Leap have ads?

Both Planet simulation and UrCase Leap show ads.

### Which is updated more often, Planet simulation or UrCase Leap?

Planet simulation ships an update every 7 months, and UrCase Leap fortnightly. Most recently, Planet simulation was updated on September 28, 2026 and UrCase Leap on June 10, 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.*