Comparison

StarBuzzer | Buzzer for groups vs LEGO® TECHNIC® CONTROL+

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

Head to head
About

StarBuzzer | Buzzer for groups

This app allows multiple devices to connect and compete in speed-based games. It's ideal for quizzes and reaction tests, clearly indicating who buzzed first with visual cues. No Wi-Fi is needed for connection.

Highlights
  • Connect up to 8 devices
  • Speed-based game buzzer
  • Visual feedback for first buzzer
  • No Wi-Fi required
  • Supports quizzes and reaction games
Features
Read full description

The must-have App for every game which is about speed! Connect with up to 8 devices and buzzer against your friends! Whether it's a Quiz-game or a reaction-testing-game. The tremendous design contributes to a great experience and allows many different varieties of games. You‘ve pressed first? Then your screen turns green, if you’ve been to slow it will turn red. This way you and your friends will immediately know, who is allowed to answer first! No Wifi is required as the App manages to connect the devices through the fastest available way! Created by Mike Baumann and Maximilian Bardon

About

LEGO® TECHNIC® CONTROL+

Enhance your LEGO Technic building experience with realistic driving controls and interactive features. Engage in challenges, unlock achievements, and enjoy authentic sound effects for a new level of play.

Highlights
  • Realistic multi-function control mode
  • One-touch screen control schemes
  • Challenges and achievements
  • Unlockable badges
  • Inspiring videos
  • Authentic sound effects
  • Real-time data
Features
Read full description

"Take your LEGO® Technic™ experience to a new level of awesome realism: • Get a uniquely designed experience for each LEGO Technic CONTROL+ model. • Drive your models with razor-sharp realism with the multi-function control mode. • Try alternative control schemes with the one-touch screen. • Test your handling skills, complete challenges, unlock badges and watch inspiring videos in Challenges & Achievements mode. • Enjoy authentic sound effects, controls, features and functions – plus real-time data. Here are some models you can connect to the CONTROL+ app... • LEGO Technic Batmobile™ Tumbler (42239) • LEGO Technic Lamborghini Revuelto Super Sports Car (42214) • LEGO Technic Porsche GT4 e-Performance Race Car (42176) • LEGO Technic Off-Road Buggy (42124) • LEGO Technic 6x6 Volvo Articulated Hauler (42114) • LEGO Technic App-Controlled Top Gear Rally Car (42109) • LEGO Technic Liebherr R 9800 (42100) • LEGO Technic 4X4 X-Treme Off-Roader (42099) … and the list keeps growing! (Remember that each of these sets is sold separately.) Every model gets its own unique CONTROL+ experience. Whether it’s a rally car, a 4X4, or even a six-wheeler – and whether it has a boom, an arm, or a bucket – you’ll be able to command it with incredible precision and realism. Is your device compatible? Please go to LEGO.com/devicecheck to check if your device is compatible. Ask your parents’ permission before going online. For app support, contact LEGO Consumer Service. For contact details, refer to http://service.LEGO.com/contactus The Dark Knight Trilogy and all related characters and elements are © & ™ DC and Warner Bros. Entertainment Inc. The “Lamborghini” and “Lamborghini Bull and Shield” trademarks, copyrights, designs and models are used under license from Automobili Lamborghini S.p.A, Italy. © 2025 Gameloft. All Rights Reserved. All manufacturers, cars, names, brands and associated imagery are trademarks and/or copyrighted materials of their respective owners. Porsche GT4 e-Performance under license of Porsche AG. BBC logo™ and © BBC 1996. Top Gear logo™ and © BBC 2005. Licensed by BBC Studios. “Liebherr” is a trademark of Liebherr-International AG, used under license by LEGO System A/S. The Volvo trademarks (word and device) are registered trademarks of Volvo Trademark Holding AB and are used pursuant to a license. We will utilize your personal information to manage your account and review anonymized data to provide a safe, contextualized and excellent LEGO experience. You can learn more here: https://www.LEGO.com/privacy-policy - https://www.LEGO.com/legal/notices-and-policies/terms-of-use-for-lego-apps/ Our privacy policy and terms of use for apps are accepted if you download this app. LEGO, the LEGO logo, the Brick and Knob configurations and the Minifigure are trademarks of the LEGO Group. ©2025 The LEGO Group."

Screenshots

StarBuzzer | Buzzer for groups3 screens
LEGO® TECHNIC® CONTROL+4 screens

Verdict

The call

The clearest difference is review sentiment: LEGO® TECHNIC® CONTROL+ at 69% against StarBuzzer | Buzzer for groups's 0%. LEGO® TECHNIC® CONTROL+ also leads on rating (4.8 vs 3.0) and ratings volume (9.3K vs 9). StarBuzzer | Buzzer for groups's advantage is iOS requirement (11.4 vs 15.0). On price, ads, in-app purchases and monetization model 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® TECHNIC® CONTROL+ holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: LEGO® TECHNIC® CONTROL+ has 9.3K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 0% of StarBuzzer | Buzzer for groups's written reviews are positive against 69% of LEGO® TECHNIC® CONTROL+'s.

Scorecard4 real differences · 6 level
StarBuzzer | Buzzer for groups versus LEGO® TECHNIC® CONTROL+: the parameters behind the verdict, then further details
ParameterStarBuzzer | Buzzer for groupsLEGO® TECHNIC® CONTROL+
PriceFreeFree
Rating3.0 (9 ratings)4.8 (9.3K ratings) — better
Positive reviews0.0% of reviews69.2% of reviews — better
Number of ratings99.3K — better
Update frequency—Every 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.4 — better15.0
Further details — not scored
Size13 MB2.0 GB
Age rating4+4+
DeveloperMaximilian BardonLEGO

Customer experience

StarBuzzer | Buzzer for groups

All ratings9 ratings
Positive44.4%
Neutral11.1%
Negative44.4%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

LEGO® TECHNIC® CONTROL+

All ratings9,297 ratings
Positive94.4%
Neutral2.6%
Negative3.0%
Written reviews529 reviews
Positive69.2%
Neutral12.3%
Negative18.5%

Bugs and requests

StarBuzzer | Buzzer for groups

Not enough reviews yet to summarise bugs or requests.

LEGO® TECHNIC® CONTROL+

Reported bugs

5 issues
  • App gets stuck in firmware update loop
  • Incorrect motor activation during calibration
  • Bluetooth connection randomly drops
  • Steering and throttle controls are swapped
  • App crashes when losing a battle race

Requested features

5 requests
  • Custom control profiles for user-built models
  • Support for MFi controllers
  • Ability to edit saved movements
  • Configurable control schemes
  • Improved firmware update process

In-app purchases

None

StarBuzzer | Buzzer for groups

No in-app purchases

None

LEGO® TECHNIC® CONTROL+

No in-app purchases

Questions

Is StarBuzzer | Buzzer for groups free?
StarBuzzer | Buzzer for groups is free to download, with no in-app purchases.
Is LEGO® TECHNIC® CONTROL+ free?
LEGO® TECHNIC® CONTROL+ is free to download, with no in-app purchases.
Which has better reviews, StarBuzzer | Buzzer for groups or LEGO® TECHNIC® CONTROL+?
LEGO® TECHNIC® CONTROL+ is rated higher. StarBuzzer | Buzzer for groups averages 3.0 out of 5 from 9 ratings, while LEGO® TECHNIC® CONTROL+ averages 4.8 from 9.3K ratings.
Do StarBuzzer | Buzzer for groups or LEGO® TECHNIC® CONTROL+ have ads?
Neither StarBuzzer | Buzzer for groups nor LEGO® TECHNIC® CONTROL+ shows ads.

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