# Spaceflight Simulator vs Build Your Rocket

Spaceflight Simulator and Build Your Rocket both sit at 4.8 stars, but that hides the real split: 86% of Spaceflight Simulator's written reviews are positive against 0% of Build Your Rocket's. Spaceflight Simulator also leads on ads (none vs shown) and ratings volume (97K vs 66). Build Your Rocket's advantage is in-app purchases (none vs 11) and iOS requirement (12.0 vs 15.0). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Spaceflight Simulator sells 10 one-off in-app purchases. Build Your Rocket asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Spaceflight Simulator against 4.8 for Build Your Rocket. That said, the two scores are not equally well evidenced: Spaceflight Simulator has 97K ratings behind it against 66, so its average is the more settled of the two. Written reviews are what separate them: 86% of Spaceflight Simulator's written reviews are positive against 0% of Build Your Rocket's.

Spaceflight Simulator ships an update every 9 days, Build Your Rocket fortnightly. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Spaceflight Simulator | Build Your Rocket |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (97K ratings)](https://appshunter.io/ios/app/spaceflight-simulator/id1308057272/reviews)** | [4.8 (66 ratings)](https://appshunter.io/ios/app/build-your-rocket/id1634623665/reviews) |
| Number of ratings | **97K** | 66 |
| Positive reviews | **85.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 172 MB | 154 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spaceflight Simulator UK Ltd](https://appshunter.io/developer/1308057271) | [Clap Clap Games](https://appshunter.io/developer/1435219840) |

## What reviewers say

### Spaceflight Simulator

[App page](https://appshunter.io/ios/app/spaceflight-simulator/id1308057272)

Build and launch rockets to explore a realistic, open universe. Experience space exploration with accurate physics and a vast, explorable solar system.

**Highlights:** Build custom rockets, Realistic orbital mechanics, Explore a scaled universe, Visit planets and moons, Open-world space exploration, Real-life physics simulation

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skins Expansion | $2.99 | one-time |
| Full Version | $3.99 | one-time |
| Redstone + Atlas Pack | $3.99 | one-time |
| Parts Expansion | $4.99 | one-time |
| Infinite Area Expansion | $4.99 | one-time |
| Expansion Bundle | $7.99 | one-time |
| Cheats Expansion | $9.99 | one-time |
| Full Bundle Upgrade | $9.99 | one-time |
| Full Bundle | $11.99 | one-time |
| Full Bundle | $14.99 | one-time |

**What reviewers like**

- 🚀 Realistic physics and space simulation
- 👍 Intuitive controls and easy to learn
- 🚀 Ability to build complex rockets and spacecraft
- 👍 No ads or in-app purchases required to play

**What reviewers complain about**

- 🐛 Occasional bugs and glitches, especially with large rockets
- 🔋 Potential performance issues on older devices
- 🔒 Limited customization and part options in free version
- 🚀 Docking and rendezvous maneuvers can be very challenging

**Reported bugs**

- Rocket parts sometimes clipping through each other
- Occasional freezing or crashing when launching large rockets
- Issues with RCS thrusters firing unexpectedly during docking
- Problems with maintaining stable orbits and transfers

**Requested features**

- Add more planets, moons, and celestial bodies to explore
- Implement a career mode or progression system with challenges
- Allow for more customization of rocket parts and spacecraft
- Improve docking and rendezvous mechanics to make them more accessible
- Add the ability to control individual astronauts and perform EVAs


### Build Your Rocket

[App page](https://appshunter.io/ios/app/build-your-rocket/id1634623665)

Design and construct your own powerful rocket with optimal fuel and speed. Launch into space to explore distant planets, achieve higher scores, and unlock new levels in this interstellar adventure.

**Highlights:** Build custom rockets, Manage fuel and speed, Explore different planets, Unlock new levels, Compete for high scores

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spaceflight Simulator free?

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

### Is Build Your Rocket free?

Build Your Rocket is free to download, with no in-app purchases.

### Which has better reviews, Spaceflight Simulator or Build Your Rocket?

Spaceflight Simulator is rated higher. Spaceflight Simulator averages 4.8 out of 5 from 97K ratings, while Build Your Rocket averages 4.8 from 66 ratings.

### Do Spaceflight Simulator or Build Your Rocket have ads?

Build Your Rocket shows ads; Spaceflight Simulator does not.

### Which is updated more often, Spaceflight Simulator or Build Your Rocket?

Spaceflight Simulator ships an update every 9 days, and Build Your Rocket fortnightly. Most recently, Spaceflight Simulator was updated on September 25, 2026 and Build Your Rocket on September 8, 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.*