# Bixii Belower Masters vs Rocket Space Program Simulator

The clearest difference is in-app purchases: Bixii Belower Masters at none against Rocket Space Program Simulator's 5. Bixii Belower Masters also leads on ads (none vs shown). Rocket Space Program Simulator's advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (15.0 vs 18.6). On price and device support there is nothing between them.

Both are free to download. Rocket Space Program Simulator sells 5 one-off in-app purchases. Bixii Belower Masters asks for nothing beyond the download.

Bixii Belower Masters ships an update every 3 weeks, Rocket Space Program Simulator weekly. The most recent releases landed on November 10, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Bixii Belower Masters | Rocket Space Program Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (23 ratings)](https://appshunter.io/ios/app/rocket-space-program-simulator/id6820834747/reviews)** |
| Number of ratings | — | **23** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 272 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAANUS TARMO PARN](https://appshunter.io/developer/6802329275) | [Marcin Tuzel](https://appshunter.io/developer/1705487778) |

## What reviewers say

### Bixii Belower Masters

[App page](https://appshunter.io/ios/app/bixii-belower-masters/id6802329273)

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

**In-app purchases:** none


### Rocket Space Program Simulator

[App page](https://appshunter.io/ios/app/rocket-space-program-simulator/id6820834747)

Design, build, and launch rockets in a realistic 3D simulator. Manage a space agency, complete missions to celestial bodies, and establish bases on other worlds. Earn from satellite networks and research grants as you expand your interplanetary empire.

**Highlights:** Part-by-part rocket builder, Realistic 3D launch simulator, Satellite deployment and network earning, Space agency management, Automated launch pads, Moon and Mars missions, Interplanetary spaceports

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Coins | $1.99 | one-time |
| No Ads | $4.99 | one-time |
| Chest of Coins | $7.99 | one-time |
| VIP Account | $9.99 | one-time |
| Cargo Bay of Coins | $19.99 | one-time |


## Frequently asked questions

### Is Bixii Belower Masters free?

Bixii Belower Masters is free to download, with no in-app purchases.

### Is Rocket Space Program Simulator free?

Rocket Space Program Simulator is free to download, with in-app purchases available.

### Do Bixii Belower Masters or Rocket Space Program Simulator have ads?

Rocket Space Program Simulator shows ads; Bixii Belower Masters does not.

### Which is updated more often, Bixii Belower Masters or Rocket Space Program Simulator?

Bixii Belower Masters ships an update every 3 weeks, and Rocket Space Program Simulator weekly. Most recently, Bixii Belower Masters was updated on November 10, 2026 and Rocket Space Program Simulator on November 13, 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.*