LEGO® SMART Assist

78 reviews
Content rating
Everyone
50K+
Downloads
Content rating
Everyone
Learn more
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About this app

LEGO® SMART Assist App: The Official Companion App for LEGO® SMART Play™ Sets.

LEGO SMART Assist App is the companion app for adults to manage and maximise the potential of LEGO SMART Bricks. It helps you control SMART Brick settings, update new play features, and get quick help when you need it. An app for grown-ups to get the most out of the SMART Play ™ experience, so kids can keep building and exploring.

The SMART Assist app gives you access to:
- Effortless Onboarding to manage your SMART Bricks
- Guidance and support to get started with your SMART Play™ sets
- New play feature updates to get the latest SMART Play™ experience

Effortless Onboarding:
· Register your SMART Brick: Connect and register your SMART Bricks to your adult LEGO Account quickly and easily.
· SMART Brick status: See everything you need to know about your SMART Bricks including battery level and available updates
· Custom Controls: Easily set a unique name for your SMART Bricks and manage the volume controls.
· Play rules! Your SMART Bricks will only connect to the app when they are on the charger - so playtime stays interruption-free!

Guidance and support

Get started with your SMART Play™ sets and access help and support if you need it

· FAQs and videos: Access FAQs and video tutorials to help you get started, learn about charging and find out more about the SMART Assist App
· Customer support: Still need help? Link directly to our Consumer Services site on LEGO.com for further help and support
· LEGO® Builder App: Easily link to the Builder App for building instructions · And more! Link directly to LEGO.com for more information about the LEGO® SMART Play™ system

New play feature updates:
Keep your SMART Bricks up to date to benefit from the latest play experiences

· Seamless Updates: Download and install the latest updates for your SMART Bricks.
· Stay Informed: Receive in-app and push notifications whenever a new update is available.
· New Play Experiences: Get timely updates for your SMART Bricks and unlock new play experiences.

Privacy and Settings

· For Grown-ups: The app is designed for grown-ups to get the most out of the SMART Play experience, so that kids can keep on playing. Underage users attempting access will be advised that an adult is needed

· Data Consent: Manage your consent for data collection for both app analytics and brick telemetry data. Our Data Privacy Officer can be contacted if you want to retrieve or erase what has been collected.

App Preferences: Configure app settings, including sound, haptics and notification toggles.

LEGO, the LEGO Group, the Minifigure and the SMART PLAY logo are trademarks of the LEGO Group.
The Official Companion App for LEGO® SMART Play™ Sets.
Updated on
Sep 24, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • You can request that data be deleted

Ratings and reviews

66 reviews
Gunter Königsmann
September 13, 2026
Took about 20 trays to login. Then it succeeded and seems to work fine.
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LEGO System A/S
September 13, 2026
Hm, that doesn't sound right! Please try to delete and re-instal the app, if that didn't do the trick, get in touch with us at LEGO.build/Service, and we'll take a closer look at what's going on! 📲👀 - Sarah, LEGO® Customer Service
Nathanael Schloss
August 21, 2026
Really genuinely fun playability for time with my kids, round out the lego experience for families with features other than collecting and display sets. Great job and great support thank you
2 people found this review helpful
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Lauren Wiltshire
September 9, 2026
Just got stuck registering never managed to get it to work
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LEGO System A/S
September 9, 2026
We should be able to help! Please reach out at LEGO.build/Service-GPlay with a bit more information on the issues you're experiencing, and we'll do our very best to assist you in getting registered. - Jayare, LEGO® Customer Service

What’s new

Minor bug fixes