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What's New
• Bug fixes
About this app
The LEGO® MINDSTORMS® Robot Inventor App will be discontinued on October 1, 2026, with no further updates or support. Resources on LEGO.com will guide you in transitioning your play experience to the LEGO® Education SPIKE™ Prime App. Note: A full 1:1 experience or firmware replacement cannot be guaranteed.
Create intelligent remote-control robots and vehicles using interactive in-app building instructions, with the LEGO® MINDSTORMS® Robot Inventor App! For use with the LEGO MINDSTORMS Robot Inventor (51515) set, this companion app has everything you need to build Charlie, Tricky, Blast, M.V.P. and Gelo, each with their own unique abilities. Then get ready to code and play your way through 50+ challenging activities.
A fun build-and-play experience
As you construct each robotic toy using the step-by-step building instructions in the app, you’ll complete a series of fun coding activities along the way. But if you prefer, you can also download a PDF version.
Coding, the fun way
If you’ve ever used a visual coding environment, you’ll be right at home with the Robot Inventor App’s colourful drag-and-drop canvas based on Scratch. Each coding element is grouped into categories so you can quickly find what you’re looking for. As well as using the coding canvas to complete the 50+ activities included in the app, you can also code your own activities for an even greater challenge – or, if you’re a more advanced coder, you can also use Python.
Take control
The Robot Inventor App includes a remote-control feature so you can get your robot walking, dancing and firing with just a few taps! You can also customise it to create your own personalised controller.
Learn while you play
While you’re building, coding and playing with your robots, you’ll also be exploring, experimenting and learning.
Advanced machine learning
Using your device’s camera or microphone, you can train your models to recognise and react to objects and sounds… even your own voice!
A community of fan models
The Community section of the app lets you build and code a growing collection of fun models submitted by some of our fans.
Share your cool creation
If you’ve designed and built your own amazing robot, you can take a photo of it and upload it to LEGO Life for everyone to see. You can also get loads more inspiration from what others have created.
Key Features:
Intuitive drag-and-drop coding interface based on Scratch
50+ fun and challenging activities for beginners and more advanced users
Machine learning with advanced object and sound recognition
Community section with fan models and inspiration
Hub to hub connection for extended play possibilities
Help Centre with lots of tips for learning and exploring
Text-based Python coding for more advanced users
Bluetooth connectivity for wireless communication
Remote control for instant action
Consistent experience across iOS, macOS, Android and Windows
Digital building instructions included in the app
Kids gain STEM skills through playful learning
IMPORTANT:
This is not a stand-alone app. It’s used to build and code interactive LEGO robot toys included with the LEGO MINDSTORMS Robot Inventor (51515) set.
To check whether your device is compatible with the Robot Inventor 51515 set and Robot Inventor App, visit www.lego.com/service/device-guide.
LEARN MORE:
For more information about LEGO MINDSTORMS Robot Inventor, visit www.LEGO.com/themes/MINDSTORMS/about.
For app support, contact LEGO Consumer Service at service.LEGO.com/contactus.
LEGO, the LEGO logo, the Minifigure, MINDSTORMS and the MINDSTORMS logo are trademarks and/or copyrights of the LEGO Group. ©2026 The LEGO Group. All rights reserved.
User Reviews
We've been trying the LEGO Spikes recently. We've been going for a week and have had several technical problems. The hub has trouble connecting. Some devices have more features than others, and we've had anywhere from 0-2 updates per hub, per device, per day (no they do not add the missing features), these updates can take most of class; sometimes these updates will finish up completely before giving an error and restaring. I don't know the root cause, but I hope the Spikes can be used in class.
Build-in "Further Activities" can't be downloaded for all types, Charlie, Tricky, Blast, MVP, Gelo. It showed download failed at the right side of the screen when I click "download all" in app. LEGO had promised to support MINDSTORMS apps until end of 2024. I had tried Android and iOS, mobile phone and tablets. None of them works. Could you please help to fix them? I'll be very appreciate.
Really easy to code. Scratch Programming Blocks makes it easier to program as many kinds da are familiar. Been using this app for a year and no problems! However, the community tab is not like it's name. I would much rather have the tab to be able to share videos of self created robots. To prevent unnecessary videos, maybe implement an Admin Check
There appears to be a fatal bug when using "Open with..." Mindstorms to import .lms files containing Code Blocks projects. The app restarts without actually importing the project. Interestingly, it successfully imports .lms files containing Python projects (tho, not .py files). Btw, it took a bit of prodding to get my phone to recognizes this app as the default opener for .lms file type. The built-in file browser won't.
How to Download LEGO® MINDSTORMS® Inventor APK
- Enter the package name
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