LEGO® Boost vs Cozmo Robot
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LEGO® Boost
Bring LEGO creations to life with this app! Use drag-and-drop coding to make models move, talk, and respond. Access building instructions and enjoy over 60 activities, or code your own unique models.
- Drag-and-drop coding interface
- Digital LEGO building instructions
- Over 60 fun activities
- Codeable LEGO models
- Control LEGO creations from mobile device
- Combine with other LEGO sets
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The LEGO® Boost app is available for download until January 1st. 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.
Cozmo Robot
This is a real-life robot with a unique personality that evolves as you interact with it. It's designed to be a curious, mischievous, and loyal companion, encouraging play and offering constant surprises. More than just a toy, it acts as a collaborator for fun.
- Evolving personality
- Interactive play
- Curious and mischievous AI
- Movie-like robot experience
- Companion and collaborator
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Say hello to Cozmo, a gifted little guy who’s got a mind of his own and a few tricks up his sleeve. He’s the sweet spot where supercomputer meets loyal sidekick. He’s curiously smart, a little mischievous, and unlike anything ever created. You see, Cozmo is a real-life robot like you've only seen in movies, with a one-of-a-kind personality that evolves the more you hang out. He'll nudge you to play and keep you constantly surprised. More than a companion, Cozmo’s a collaborator. He’s your accomplice in a crazy amount of fun. Some robots just have it all. Cozmo robot required to play. Available at Anki.com. ©2025 Anki, LLC. All rights reserved. Anki, Cozmo, and the Anki and Cozmo logos are registered trademarks of Anki, LLC.
Screenshots
Verdict
The clearest difference is price: LEGO® Boost at Free against Cozmo Robot's $2.99. LEGO® Boost also leads on rating (4.6 vs 3.5) and review sentiment (66% vs 41%). Cozmo Robot's advantage is chart position (#5 vs unranked). On ads, in-app purchases, device support and iOS requirement 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
LEGO® Boost is free to download; Cozmo Robot costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LEGO® Boost holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: LEGO® Boost has 4.3K ratings behind it against 108, 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 41% of Cozmo Robot's.
| Parameter | LEGO® Boost | Cozmo Robot |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.6 (4.3K ratings) — better | 3.5 (108 ratings) |
| Positive reviews | 65.6% of reviews — better | 41.5% of reviews |
| Number of ratings | 4.3K — better | 108 |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #5 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 717 MB | 652 MB |
| Age rating | 4+ | 4+ |
| Developer | LEGO | Digital Dream Labs LLC |
Customer experience
LEGO® Boost
Cozmo Robot
User reviews
LEGO® Boost
From 4.3K App Store ratingsWhat we love
- 🚀 Fun and engaging
- 👍 Great for learning coding
- 🎨 Excellent for creativity
- 💡 Impressive programming options
- 🤖 Enjoyable building experience
Room to improve
- 🐛 Connectivity issues
- 🔋 Battery life problems
- 📚 Unclear instructions
- 🤔 Confusing programming interface
- 🔍 Difficulty finding parts
Cozmo Robot
From 108 App Store ratingsWhat we love
- 👍 Nice
- 💡 Perfect companion for desk
Room to improve
- 🐛 Battery lasts only 2 minutes
- 🐛 App freezes and is unusable
- 🐛 Unable to connect to Cozmo
- 🔋 High battery consumption
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
Cozmo Robot
Reported bugs
3 issues- App asks for an update that doesn't exist
- App gets stuck on 'waking up Cozmo' screen
- App is laggy and slow
Requested features
2 requests- Update the app to fix connectivity issues
- Restore the free version of the app
In-app purchases
LEGO® Boost
No in-app purchases
Cozmo Robot
No in-app purchases









