# Rocket Simulator Flight 3D vs U

The clearest difference is review sentiment: U at 63% against Rocket Simulator Flight 3D's 8%. U also leads on in-app purchases (none vs 12) and ads (none vs shown). Rocket Simulator Flight 3D's advantage is ratings volume (370 vs 57). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Rocket Simulator Flight 3D sells 12 in-app purchases, starting at $6.99 per 7 days. U asks for nothing beyond the download.

U holds the better App Store score, 3.7 against 3.5. That said, the two scores are not equally well evidenced: Rocket Simulator Flight 3D has 370 ratings behind it against 57, so its average is the more settled of the two. Written reviews point the same way: 8% of Rocket Simulator Flight 3D's written reviews are positive against 63% of U's.

Rocket Simulator Flight 3D ships an update every 6 weeks, U monthly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Rocket Simulator Flight 3D | U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (370 ratings)](https://appshunter.io/ios/app/rocket-simulator-flight-3d/id1088205043/reviews) | **[3.7 (57 ratings)](https://appshunter.io/ios/app/u-boot-the-board-game/id1331387888/reviews)** |
| Number of ratings | **370** | 57 |
| Positive reviews | 7.7% of reviews | **63.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 382 MB | 249 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Simulators Live, LLC](https://appshunter.io/developer/1195044263) | [IRON WOLF STUDIO S.A.](https://appshunter.io/developer/849646314) |

## What reviewers say

### Rocket Simulator Flight 3D

[App page](https://appshunter.io/ios/app/rocket-simulator-flight-3d/id1088205043)

Design, build, and launch your own rockets in a realistic space simulation. Explore the cosmos, navigate asteroid fields, and complete challenging missions with intuitive flight controls.

**Highlights:** Rocket construction with customizable parts, Open space exploration, Challenging missions, Intuitive flight controls, Realistic rocket launching experience

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Subscription | $6.99 | per 7 days |
| 1 Month Subscription | $9.99 | per month |
| 1 Week Subscription | $9.99 | per 7 days |
| Flying Spaceship Constructor | $10.99 | per year |
| 1 Week Subscription | $10.99 | per 7 days |
| 1 Month Subscription | $19.99 | per month |
| 3 Month Subscription | $29.99 | per 3 months |
| 2 Month Subscription | $39.99 | per 2 months |
| Disable Ads | $14.99 | one-time |
| Full Package | $14.99 | one-time |
| Special Offer | $15.99 | one-time |
| Full Version | $29.99 | one-time |

**What reviewers like**

- 🚀 Interesting game
- 💡 Cool graphics and videos
- 😊 Some users find it fun

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- 💰 Requires expensive subscription to play
- 📺 Too many intrusive ads
- 🤔 Unclear gameplay and controls
- 🔒 Locked content behind paywall

**Reported bugs**

- Game keeps crashing
- Unable to launch rockets or progress past initial levels
- Subscription purchase not working as expected

**Requested features**

- Add tutorial and instructions
- Make the full game available without subscription
- Reduce ads and make them less intrusive


### U

[App page](https://appshunter.io/ios/app/u-boot-the-board-game/id1331387888)

This digital companion app enhances the U-BOOT The Board Game experience. It requires the physical board game components to play and is a free tool for players.

**Highlights:** Digital companion tool, Enhances board game play, Free to use

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

**In-app purchases:** none


## Frequently asked questions

### Is Rocket Simulator Flight 3D free?

Rocket Simulator Flight 3D is free to download, with in-app purchases available.

### Is U free?

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

### Which has better reviews, Rocket Simulator Flight 3D or U?

U is rated higher. Rocket Simulator Flight 3D averages 3.5 out of 5 from 370 ratings, while U averages 3.7 from 57 ratings.

### Do Rocket Simulator Flight 3D or U have ads?

Rocket Simulator Flight 3D shows ads; U does not.

### Which is updated more often, Rocket Simulator Flight 3D or U?

Rocket Simulator Flight 3D ships an update every 6 weeks, and U monthly. Most recently, Rocket Simulator Flight 3D was updated on October 24, 2026 and U on October 23, 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.*