LEGO® Builder vs INNOBOT MASTER KIT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LEGO® Builder
This app provides interactive 3D building instructions for LEGO sets. It allows users to zoom, rotate, and view models from all angles, with step-by-step guidance. It also features a collaborative building mode for multiple users and a digital library of thousands of instruction manuals.
- Interactive 3D building instructions
- Zoom, rotate, and view from all angles
- Step-by-step digital guidance
- Collaborative 'Build Together' mode
- Digital library of thousands of instructions
- Track building progress and brick count
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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.
INNOBOT MASTER KIT
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INNOBOT is a practical new technology learning kit. It aims to introduce you interesting programming to make robots ROCK. Through this APP programming to create robotic movements and facial expressions, beats, music: forward, backward and 360 degree rotation. The robot can grab objects and transport them. There are total 4 modes: First mode – Gyroscope Use the gyroscope from your device to instruct robot move (forward, backward, right and left) Press face (total 12 expression), sounds (total 6 digital beats) or arms (open or close) while Robot moving. Second mode – Dancing Total 6 amazing songs (CLASSIC/POP/ROCK/HIP HOP/RAP/TECHNO) can be selected and Robots follow the music and dance. Press the camera button and then press any songs, you can take photo or film video while Robot dancing. Third mode – Programming Press any command freely to make the robot perform actions, facial expressions, robotic movement, and sound effects. Innobot is our daily helper, it can help point-to-point grabbing and delivery (the same weight as a can of soda can also be maintained and delivered), which involves measurement, programming to provide the perfect path for delivery in the programming mode. You can save and load the record and play it repeatedly. Before the robot moves according to your instructions, you can first press the TEST button to test. After the command is issued, press the POWER button and then click the camera, you can take pictures or video while the Robot is moving. Fourth mode – Real Time Like the remote control, press the arrows to control the robot to move (forward, backward, right and left) When the robot moves, press the face (there are total 12 facial expressions), sounds (total 6 digital beats) or the arms (open or close).
Screenshots
Verdict
The clearest difference is update cadence: LEGO® Builder at every 3 weeks against INNOBOT MASTER KIT's every 4 months. LEGO® Builder also leads on chart position (#109 vs unranked). INNOBOT MASTER KIT's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LEGO® Builder ships an update every 3 weeks, INNOBOT MASTER KIT every 4 months. The most recent releases landed on October 31, 2026 and October 27, 2026 respectively.
| Parameter | LEGO® Builder | INNOBOT MASTER KIT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (290K ratings) — better | — |
| Positive reviews | 77.6% of reviews | — |
| Number of ratings | 290K — better | — |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #109 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 264 MB | 88 MB |
| Age rating | 4+ | 4+ |
| Developer | LEGO | Amazing Toys Limited |
Bugs and requests
LEGO® Builder
Reported bugs
4 issues- Sets disappearing from collection after updates
- Inability to log in and save collection
- Slow loading and reloading of instructions
- Zoom and navigation issues on instructions
Requested features
5 requests- Add more older/retired sets
- Improve navigation and search functionality
- Allow adding of older sets to collection
- Implement wishlist feature
- Add more personalization options for profiles
INNOBOT MASTER KIT
Not enough reviews yet to summarise bugs or requests.
In-app purchases
LEGO® Builder
No in-app purchases
INNOBOT MASTER KIT
No in-app purchases
Questions
Is LEGO® Builder free?
Is INNOBOT MASTER KIT free?
Do LEGO® Builder or INNOBOT MASTER KIT have ads?
Which is updated more often, LEGO® Builder or INNOBOT MASTER KIT?
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