# Fix EV3 Rover vs Mars Perseverance 3D Simulator

The clearest difference is rating: Fix EV3 Rover at 4.6 against Mars Perseverance 3D Simulator's 4.0. Fix EV3 Rover also leads on review sentiment (100% vs 59%) and ads (none vs shown). Mars Perseverance 3D Simulator's advantage is in-app purchases (none vs 1) and ratings volume (178 vs 9). On price and device support there is nothing between them.

Both are free to download. Fix EV3 Rover sells 1 one-off in-app purchase. Mars Perseverance 3D Simulator asks for nothing beyond the download.

Fix EV3 Rover holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Mars Perseverance 3D Simulator has 178 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 100% of Fix EV3 Rover's written reviews are positive against 59% of Mars Perseverance 3D Simulator's.

Fix EV3 Rover ships an update every 10 months, Mars Perseverance 3D Simulator every 66 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Fix EV3 Rover | Mars Perseverance 3D Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/fix-ev3-rover/id1107122016/reviews)** | [4.0 (178 ratings)](https://appshunter.io/ios/app/mars-perseverance-3d-simulator/id1569535062/reviews) |
| Number of ratings | 9 | **178** |
| Positive reviews | **100.0% of reviews** | 59.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 66 months |
| Monetization | **Free** | Ad-supported |
| Size | 28 MB | 219 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Offen](https://appshunter.io/developer/1107122015) | [Renzo Macedo](https://appshunter.io/developer/1403943580) |

## What reviewers say

### Fix EV3 Rover

[App page](https://appshunter.io/ios/app/fix-ev3-rover/id1107122016)

Program a robot vehicle using instructions inspired by LEGO MINDSTORMS EV3. Learn basic programming techniques useful for robotics competitions without needing any equipment or prior experience. Explore a new planet by guiding the robot through challenges.

**Highlights:** LEGO MINDSTORMS EV3-inspired programming, Icon-based and Scratch-based language options, Learn programming for robotics competitions, Robot equipped with motors and sensors, Progressively complex game levels, In-game symbol dictionary

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fix EV3 Rover Pro upgrade | $0.99 | one-time |


### Mars Perseverance 3D Simulator

[App page](https://appshunter.io/ios/app/mars-perseverance-3d-simulator/id1569535062)

Experience the Mars Perseverance rover's landing and exploration. Pilot the rover across the Martian surface and fly the Ingenuity drone in this realistic space simulator.

**Highlights:** Relive Perseverance rover's Mars arrival, Enter Martian atmosphere and land, Pilot the rover on the surface, Fly the Ingenuity drone, Based on real NASA mission

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

**In-app purchases:** none


## Frequently asked questions

### Is Fix EV3 Rover free?

Fix EV3 Rover is free to download, with in-app purchases available.

### Is Mars Perseverance 3D Simulator free?

Mars Perseverance 3D Simulator is free to download, with no in-app purchases.

### Which has better reviews, Fix EV3 Rover or Mars Perseverance 3D Simulator?

Fix EV3 Rover is rated higher. Fix EV3 Rover averages 4.6 out of 5 from 9 ratings, while Mars Perseverance 3D Simulator averages 4.0 from 178 ratings.

### Do Fix EV3 Rover or Mars Perseverance 3D Simulator have ads?

Mars Perseverance 3D Simulator shows ads; Fix EV3 Rover does not.

### Which is updated more often, Fix EV3 Rover or Mars Perseverance 3D Simulator?

Fix EV3 Rover ships an update every 10 months, and Mars Perseverance 3D Simulator every 66 months. Most recently, Fix EV3 Rover was updated on November 2, 2026 and Mars Perseverance 3D Simulator on November 3, 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.*