# RoboMaster vs LEGO® MINDSTORMS® Inventor

The clearest difference is rating: RoboMaster at 4.3 against LEGO® MINDSTORMS® Inventor's 4.0. RoboMaster also leads on iOS requirement (10.0 vs 13.0). LEGO® MINDSTORMS® Inventor's advantage is ratings volume (227 vs 68). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RoboMaster holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 68 and 227 respectively. Written reviews point the same way: 65% of RoboMaster's written reviews are positive against 59% of LEGO® MINDSTORMS® Inventor's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 30, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | RoboMaster | LEGO® MINDSTORMS® Inventor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (68 ratings)](https://appshunter.io/ios/app/robomaster/id1449678340/reviews)** | [4.0 (227 ratings)](https://appshunter.io/ios/app/lego-mindstorms-inventor/id1515448947/reviews) |
| Number of ratings | 68 | **227** |
| Positive reviews | **64.6% of reviews** | 59.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 988 MB | 587 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [DJI](https://appshunter.io/developer/599957686) | [LEGO](https://appshunter.io/developer/347363505) |

## What reviewers say

### RoboMaster

[App page](https://appshunter.io/ios/app/robomaster/id1449678340)

Control and program a robot with various input methods. Design custom games and share your creations with others. Access educational courses to learn more about robotics.

**Highlights:** Multi-platform multiplayer, Multiple control methods (touch, gyro, gamepad), Easy programming and sharing, Flexible gameplay customization, Project-based robotics courses

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

**In-app purchases:** none


### LEGO® MINDSTORMS® Inventor

[App page](https://appshunter.io/ios/app/lego-mindstorms-inventor/id1515448947)

Build and code intelligent robots with interactive instructions and a visual, drag-and-drop interface. Explore over 50 activities, utilize machine learning for object recognition, and share creations with a fan community.

**Highlights:** Interactive building instructions, Drag-and-drop coding interface (Scratch-based), 50+ coding activities, Machine learning for object/sound recognition, Community section for fan models, Remote control functionality, Python coding support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for coding and building robots
- 🚀 Excellent hub-to-hub communication
- 💡 Powerful Python coding capabilities
- 👍 Intuitive block-based programming
- 👍 Fantastic Christmas gift

**What reviewers complain about**

- 🐛 Connectivity issues with Bluetooth and hubs
- 🐛 Frequent crashes and freezing
- 🔋 Battery life and charging problems
- 🐛 Compatibility issues with older LEGO Mindstorms
- 🐛 Buggy and unstable app

**Reported bugs**

- Motors not working as expected
- Sensors not being detected
- App not loading or getting stuck on startup
- Firmware update issues
- Inability to connect to the hub

**Requested features**

- Add support for Nintendo Switch controllers
- Implement 360-degree view for building instructions
- Introduce line and bar graphs
- Add a time sensing block with 12/24-hour options
- Improve remote control functionality


## Frequently asked questions

### Is RoboMaster free?

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

### Is LEGO® MINDSTORMS® Inventor free?

LEGO® MINDSTORMS® Inventor is free to download, with no in-app purchases.

### Which has better reviews, RoboMaster or LEGO® MINDSTORMS® Inventor?

RoboMaster is rated higher. RoboMaster averages 4.3 out of 5 from 68 ratings, while LEGO® MINDSTORMS® Inventor averages 4.0 from 227 ratings.

### Do RoboMaster or LEGO® MINDSTORMS® Inventor have ads?

Neither RoboMaster nor LEGO® MINDSTORMS® Inventor shows ads.

### Which is updated more often, RoboMaster or LEGO® MINDSTORMS® Inventor?

RoboMaster ships an update every 2 months, and LEGO® MINDSTORMS® Inventor every 2 months. Most recently, RoboMaster was updated on August 30, 2026 and LEGO® MINDSTORMS® Inventor on September 17, 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.*