Comparison

HME AquaMaster 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

HME AquaMaster

Control aquarium hydration, water changes, and lighting cycles. Customize spectrum, brightness, and daily light patterns. Manage multiple lamps and traditional devices like pumps via smart sockets.

Highlights
  • Automatic hydration and water changes
  • Customizable light spectrum and brightness
  • Daily light and dark cycle settings
  • BLE control for multiple lamps
  • Smart socket integration for pumps
Read full description

HME AquaMaster provides aquarists wisdom control solutions. 'HmTO' can realize automatic hydration and water change of aquarium. Users can freely set the spectrum and brightness, and can customize the daily light and dark cycle, or use the built-in cycle settings. Supports simultaneous operation of one or several lamps through BLE. Users can also control their traditional lamps and pumps through smart sockets. Support the following series of product: GrassyCore GrassySolar Cetus 2 Wing Venus CoreX Edge HME Socket HmTO

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

HME AquaMaster4 screens
LEGO® TECHNIC® CONTROL+4 screens

Verdict

The call

The clearest difference is review sentiment: LEGO® TECHNIC® CONTROL+ at 69% against HME AquaMaster's 8%. LEGO® TECHNIC® CONTROL+ also leads on rating (4.7 vs 1.8) and ratings volume (9.3K vs 8). HME AquaMaster's advantage is iOS requirement (13.0 vs 15.0). 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® TECHNIC® CONTROL+ holds the better App Store score, 4.7 against 1.8. That said, the two scores are not equally well evidenced: LEGO® TECHNIC® CONTROL+ has 9.3K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 8% of HME AquaMaster's written reviews are positive against 69% of LEGO® TECHNIC® CONTROL+'s.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
HME AquaMaster versus LEGO® TECHNIC® CONTROL+: the parameters behind the verdict, then further details
ParameterHME AquaMasterLEGO® TECHNIC® CONTROL+
PriceFreeFree
Rating1.8 (8 ratings)4.7 (9.3K ratings) — better
Positive reviews7.7% of reviews69.2% of reviews — better
Number of ratings89.3K — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size23 MB2.0 GB
Age rating4+4+
DeveloperBO WEI TSAILEGO

Customer experience

HME AquaMaster

All ratings7 ratings
Positive0.0%
Neutral42.9%
Negative57.1%
Written reviews13 reviews
Positive7.7%
Neutral30.8%
Negative61.5%

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

HME AquaMaster

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

HME AquaMaster

No in-app purchases

None

LEGO® TECHNIC® CONTROL+

No in-app purchases

Questions

Is HME AquaMaster free?
HME AquaMaster 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, HME AquaMaster or LEGO® TECHNIC® CONTROL+?
LEGO® TECHNIC® CONTROL+ is rated higher. HME AquaMaster averages 1.8 out of 5 from 8 ratings, while LEGO® TECHNIC® CONTROL+ averages 4.7 from 9.3K ratings.
Do HME AquaMaster or LEGO® TECHNIC® CONTROL+ have ads?
Neither HME AquaMaster nor LEGO® TECHNIC® CONTROL+ shows ads.
Which is updated more often, HME AquaMaster or LEGO® TECHNIC® CONTROL+?
HME AquaMaster ships an update every 2 months, and LEGO® TECHNIC® CONTROL+ every 2 months. Most recently, HME AquaMaster was updated on October 23, 2026 and LEGO® TECHNIC® CONTROL+ on October 29, 2026.

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