Comparison

LEGO® Boost vs Hello Loona

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 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.

Highlights
  • 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
Features
Read full description

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.

About

Hello Loona

Control and program a robotic pet with this app. Explore various scenarios, perform talents, play games, and connect with other users in the community.

Highlights
  • Robot control
  • Programming software
  • Talent shows
  • Play games
  • Community interaction
Features
Read full description

Loona APP is a mobile control and programming software developed for Loona robots. Rich robot application scenarios are provided in the application. Users can experience various robot control and functions by connecting robots according to software guidance. The robot can be controlled in the APP to perform talent shows, play small games, and also enter the community to communicate with other users.

Screenshots

LEGO® Boost4 screens
Hello Loona2 screens

Verdict

The call

The clearest difference is rating: LEGO® Boost at 4.6 against Hello Loona's 4.2. LEGO® Boost also leads on ratings volume (4.3K vs 233). Hello Loona's advantage is update cadence (every 5 weeks vs every 3 months). On price, review sentiment, 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 4.2. That said, the two scores are not equally well evidenced: LEGO® Boost has 4.3K ratings behind it against 233, 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 62% of Hello Loona's.

UpkeepUpdate frequency

LEGO® Boost ships an update every 3 months, Hello Loona every 5 weeks. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 7 level
LEGO® Boost versus Hello Loona: the parameters behind the verdict, then further details
ParameterLEGO® BoostHello Loona
PriceFreeFree
Rating4.6 (4.3K ratings) — better4.2 (233 ratings)
Positive reviews65.6% of reviews — better62.2% of reviews
Number of ratings4.3K — better233
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size717 MB212 MB
Age rating4+4+
DeveloperLEGO System A/SBeijing KEYi Technology Co., Ltd.

Customer experience

LEGO® Boost

All ratings4,262 ratings
Positive90.7%
Neutral3.0%
Negative6.3%
Written reviews392 reviews
Positive65.6%
Neutral8.4%
Negative26.0%

Hello Loona

All ratings233 ratings
Positive79.8%
Neutral2.6%
Negative17.6%
Written reviews74 reviews
Positive62.2%
Neutral6.8%
Negative31.1%

User reviews

LEGO® Boost

From 4.3K App Store ratings

What 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

Hello Loona

From 233 App Store ratings

What we love

  • 🤖 Intelligent AI with ChatGPT integration
  • 🎮 Engaging games and interactive features
  • 🎨 Creative capabilities like drawing
  • 🏃 Autonomous navigation and movement
  • 📱 Helpful companion app functionality

Room to improve

  • 🐛 Frequent app crashes and bugs
  • 📱 Poor app UI/UX design
  • 🔌 WiFi connectivity issues
  • ⚙️ Clunky robot movements
  • 🔋 Fast battery drain

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

Hello Loona

Reported bugs

14 issues
  • App registration verification code not sending
  • Email registration failing
  • QR code scanner unable to focus
  • WiFi connection timeouts and bad gateway errors
  • App forces landscape mode only
Show 9 more
  • Keyboard covers registration buttons
  • App signs users out unexpectedly
  • App requires reinstalling to function
  • Server connection timeouts
  • Robot wheels not turning after minimal use
  • Robot stares at walls instead of following
  • Game ball breaks within days
  • Charging station malfunction
  • Robot making noises when powered off

Requested features

12 requests
  • More games and interactive content
  • Spanish language support
  • Turkish language support
  • Adult-friendly app interface version
  • Camera/photo capture feature
Show 7 more
  • Alarm and wake-up scheduling
  • Customizable behavior schedules
  • Pet interaction capabilities
  • Sleep/rest mode functionality
  • Improved voice command integration
  • Multiple variable types in programming tool
  • Landscape mode toggle for app

In-app purchases

None

LEGO® Boost

No in-app purchases

None

Hello Loona

No in-app purchases

Questions

Is LEGO® Boost free?
LEGO® Boost is free to download, with no in-app purchases.
Is Hello Loona free?
Hello Loona is free to download, with no in-app purchases.
Which has better reviews, LEGO® Boost or Hello Loona?
LEGO® Boost is rated higher. LEGO® Boost averages 4.6 out of 5 from 4.3K ratings, while Hello Loona averages 4.2 from 233 ratings.
Do LEGO® Boost or Hello Loona have ads?
Neither LEGO® Boost nor Hello Loona shows ads.
Which is updated more often, LEGO® Boost or Hello Loona?
LEGO® Boost ships an update every 3 months, and Hello Loona every 5 weeks. Most recently, LEGO® Boost was updated on October 11, 2026 and Hello Loona on October 17, 2026.

Other comparisons