LEGO Builder is a phenomenal tool that fundamentally changes the building experience. The 3D instructions are a game-changer for complex sets, allowing you to rotate the model to see exactly how a brick connects—something that a 2D manual simply can't compete with. It’s smooth, intuitive, and visually beautiful.
The 'Build Together' feature is perhaps the most innovative addition. It allows a family to split a massive set across multiple devices, so everyone has their own task but the project remains collaborative. It’s also a fantastic way to digitize your collection and ensure you never lose a manual again. For any LEGO enthusiast, this app is as essential as the bricks themselves.
Available on: iPhone, iPad, iPod
Version 4.2.14Mon Feb 09 2026
We’ve made the LEGO Builder experience even more awesome. How? Well, we fixed some pesky bugs and improved performance in the app. Now you can build even bigger, better than before!
Requires iOS 15.1 or later. Compatible with iPhone, iPad, and iPod touch.LEGO® Builder is the official building instructions app for LEGO® sets that guides you on an easy, fun, and collaborative digital building adventure.
Build your set like never before:
- Step into a new way of building with an intuitive 3D building experience that lets you zoom, rotate, and view LEGO® sets from every angle.
- Use step-by-step digital building instructions to see each brick clearly and bring your set to life with confidence.
Build Together with friends and family!
- Build Together is a fun, social building experience designed for multiple builders to work together.
- You can team up and divide tasks to complete your LEGO® set as a group - perfect for fun social family nights, birthdays, or holidays like Valentine’s Day, Easter, Mother’s Day, Father’s Day or Christmas.
- Share a PIN code to join as a host or builder, take turns completing building steps, and collaborate to finish the model together.
- Check in the app to see if your LEGO® set can be built using the Build Together feature.
Discover thousands of LEGO® instructions
- Explore a digital library of LEGO® building instructions from 2000 to today.
- Search by set name or number, or scan the QR code on your instruction manual to open it instantly in the app.
Follow a story as you build
- Unlock enriched content and guided building experiences for select LEGO® themes, bringing extra fun and imagination to your 3D building journey.
Unlock more with a LEGO® Account
- Save your progress, build a digital collection of your LEGO® sets, and track your total number of bricks.
- Pick up right where you left off - anytime, anywhere.
Track your building journey
- Now you can keep a record of your completed sets, see your total bricks built, and celebrate your progress as a LEGO® Builder.
Things to keep in mind
- You’ll need a stable internet connection to use this app. We’re always adding new digital building instructions so you can expand your collection, explore new sets, and find even more ways to build together.
- Want to know if your set includes digital instructions or Build Together mode? Check in the app and start your collaborative adventure today!
We're eager to hear how we can make the LEGO® Builder app even better for you! Please leave us your thoughts and recommendations in the reviews to help us make the LEGO® Builder app even better.
LEGO, the LEGO logo, the Brick and Knob configurations, and the Minifigure are trademarks of the LEGO Group. © 2025 The LEGO Group.
















LEGO Builder is the official app for digital LEGO instructions. It offers a revolutionary 'Build Together' mode for family projects and 3D viewing for supported sets. Users can scan the QR code on their instruction manuals to instantly unlock the digital version and manage their entire collection in one place.
Interactive 3D building experience
Scan QR codes for instant manuals
Build Together collaborative mode
Digital collection tracking
For selected sets, you can rotate the virtual model 360 degrees. This helps you see exactly where small pieces go when the paper instructions are unclear.
Host a building session where multiple users can work on different parts of the same set simultaneously, each using their own device to see their specific steps.
The app has a vast catalog, but 3D features are mostly available for newer releases from 2020 onwards.