Comparison

LEGO® Boost vs Robosen AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

LEGO® Boost

Bring your LEGO creations to life with this app. Combine it with the LEGO BOOST Creative Toolbox set to build, code, and play with interactive robots and models. Enjoy over 60 activities and digital building instructions.

Highlights
  • Digital LEGO Building Instructions
  • Drag-and-drop programming interface
  • Over 60 fun activities
  • Build and code custom creations
  • Control LEGO models with mobile device
  • Combine with other LEGO sets
Features
Read full description

The LEGO® Boost app is available for download until January 1st 2027. Combine this app with the LEGO® BOOST Creative Toolbox (17101) set to bring your creations to life! Enjoy more than 60 fun activities with simple drag-n'-drop coding, watch videos and access digital LEGO Building Instructions. Have fun with LEGO models that can move, talk and respond to real-world events. Take your experience to another level with advanced coding. Build and BOOST your own robot toy creations and control them from your mobile device. All it takes is three simple steps: BUILD, CODE and PLAY! Is your device compatible? Please go to LEGO.com/devicecheck to check if your device is compatible. Ask your parents’ permission before going online. LEGO® BOOST App Feature List - Access digital LEGO® Building Instructions for all 5 LEGO BOOST models included with the 17101 LEGO BOOST Creative Toolbox. - BUILD, CODE and PLAY with CODABLE LEGO® models. - Bring your LEGO® BOOST creations to life with the simple drag-n'-drop PROGRAMMING interface. - Enjoy more than 60 fun ACTIVITIES. - Imagine, build and code your own creations. Kick-start your creativity—3 inspirational models included with the app. - Combine 17101 LEGO BOOST with the LEGO® City 60194 Arctic Scout Truck to control and drive the vehicle! Use the app to operate the forklift, examine samples with the color sensor, help the whale back into the water and much more. - Combine 17101 LEGO BOOST with LEGO® NINJAGO® 70652 Stormbringer and set the Lightning Dragon free! Use the app to control the fearsome beast, fire the shooters, create a color-sensing ejector seat and much more! - Go to LEGO.com/devicecheck to check if your device is compatible. Ask your parents’ permission before going online. LEGO BOOST set (17101) Feature List - Includes 844 LEGO® pieces, plus a LEGO Move Hub, Interactive Motor and a Color & Distance Sensor. - Move Hub features Bluetooth Low Energy (BLE) connectivity, 2 encoded motors, activation button, internal tilt sensor and a light. - Interactive Motor is an encoded motor. - Color & Distance Sensor detects distance, motion and color, and can also function as a light. - Create and code Vernie the Robot, Frankie the Cat, the M.T.R.4 (Multi-Tooled Rover 4), the Guitar 4000 and the AutoBuilder. - Rotate Vernie’s head to activate its shoulder-mounted spring-loaded shooter. - Build the M.T.R.4 (Multi-Tooled Rover 4) and try out the different tool and customization attachments for an array of exciting activities. - Learn songs and rock out with the Guitar4000! - Look after your own pet with Frankie the Cat. Be sure to feed it the right food—or it might get upset! - Construct, code and operate the AutoBuilder to produce real miniature LEGO® models. - Build and code robots and models, and complete exciting activities with the playmat and intuitive LEGO® BOOST app. The LEGO® BOOST Creative Toolbox set (17101) is sold separately. For app support contact LEGO Consumer Service. For contact details refer to http://service.lego.com/contactus Our privacy policy and terms of use for apps are accepted if you download this app. Read more on http://aboutus.lego.com/legal-notice/Privacy-Policy and http://aboutus.lego.com/legal-notice/terms-of-use-for-apps There’s no third-party advertising. LEGO marketing content and information is served, for instance LEGO news about LEGO sets and other LEGO games, in hope of inspiring children’s creative play. LEGO and the LEGO logo are trademarks of the LEGO Group. ©2017 The LEGO Group.

About

Robosen AI

This platform application offers a vast library of constantly updated entertainment content for robots. Users can download various skills, create their own programs, and share ideas with a global community of players. Elevate your robot's capabilities with this tool, community, and platform.

Highlights
  • Massive entertainment content library
  • Downloadable robot skills
  • Create and share custom programs
  • Global user community
  • Skill Store for infinite gameplay
Features
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Robosen AI is a platform-level application , which brings constantly updated massive entertainment content to Robosen robots,and also allows users to download a large amount of entertainment content that is constantly updated, create and share their ideas with other players,it's a tool, a community and a platform, where global users can create and share their brilliant ideas. Make your robot more powerful than ever for an elevated experience. Highlights: Skill Store The Skill Store is like an app store for Robosen robots, generating massive amounts of entertainment content. You can explore Skill Store and experience infinite gameplay possibilities by downloading various skills developed by global creators& developers, such as Create My Fun, Action Center, Open Chat, etc., Share your brilliant ideas with the community or download other players' inspirational creations with just one click. Community Create your own fun audio recordings & robot action programs and share it with global players on in-app community, winning likes and fans. You can also download other users' creations into robots to enjoy a unlimited entertaining experience.

Screenshots

LEGO® Boost4 screens
Robosen AI4 screens

Verdict

The call

The clearest difference is review sentiment: LEGO® Boost at 66% against Robosen AI's 0%. LEGO® Boost also leads on rating (4.6 vs 1.5) and ratings volume (4.3K vs 18). On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

LEGO® Boost holds the better App Store score, 4.6 against 1.5. That said, the two scores are not equally well evidenced: LEGO® Boost has 4.3K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 66% of LEGO® Boost's written reviews are positive against 0% of Robosen AI's.

UpkeepUpdate frequency

LEGO® Boost ships an update every 3 months, Robosen AI every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
LEGO® Boost versus Robosen AI: the parameters behind the verdict, then further details
ParameterLEGO® BoostRobosen AI
PriceFreeFree
Rating4.6 (4.3K ratings) — better1.5 (18 ratings)
Positive reviews65.6% of reviews — better0.0% of reviews
Number of ratings4.3K — better18
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size717 MB182 MB
Age rating4+4+
DeveloperLEGORobosen Robotics (ShenZhen) Co., Ltd.

Customer experience

LEGO® Boost

All ratings4,261 ratings
Positive90.7%
Neutral3.0%
Negative6.3%
Written reviews392 reviews
Positive65.6%
Neutral8.4%
Negative26.0%

Robosen AI

All ratings18 ratings
Positive5.6%
Neutral5.6%
Negative88.9%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

LEGO® Boost

Reported bugs

5 issues
  • App crashes and freezes
  • Firmware update failures
  • Bluetooth connection problems
  • Lost progress and build instructions
  • Sensor and motor issues

Requested features

5 requests
  • More advanced programming blocks
  • Ability to save and load projects
  • Improved instructions and documentation
  • Compatibility with more devices
  • Easier part organization

Robosen AI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

LEGO® Boost

No in-app purchases

None

Robosen AI

No in-app purchases

Questions

Is LEGO® Boost free?
LEGO® Boost is free to download, with no in-app purchases.
Is Robosen AI free?
Robosen AI is free to download, with no in-app purchases.
Which has better reviews, LEGO® Boost or Robosen AI?
LEGO® Boost is rated higher. LEGO® Boost averages 4.6 out of 5 from 4.3K ratings, while Robosen AI averages 1.5 from 18 ratings.
Do LEGO® Boost or Robosen AI have ads?
Neither LEGO® Boost nor Robosen AI shows ads.
Which is updated more often, LEGO® Boost or Robosen AI?
LEGO® Boost ships an update every 3 months, and Robosen AI every 2 months. Most recently, LEGO® Boost was updated on November 6, 2026 and Robosen AI on November 3, 2026.

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