Comparison

BuWizz vs 宇星科技

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

Head to head
About

BuWizz

This application enables remote control of LEGO models using a specialized brick. It connects via Bluetooth, offering enhanced speed and power for your creations. Control multiple motors and lights simultaneously for complex builds.

Highlights
  • Bluetooth connectivity
  • Controls up to 4 motors/LEDs
  • Programmable RGB LEDs (3.0 Pro)
  • Supports Power Functions and Powered UP
  • Control multiple bricks simultaneously
  • Fast USB-C charging (3.0 Pro)
Features
Read full description

A compact, high performance remote control system for LEGO® models. This app controls the BuWizz brick. BuWizz remote control brick, paired with your smartphone, is the coolest thing that ever clicked into your LEGO® Technic model or train. Operating via Bluetooth and working within a large range, your models will move faster than ever and exhibit the power of real RC models. BuWizz 2.0 brick comes equipped with embedded battery and a Micro-USB charging port. A single BuWizz brick controls up to four LEGO® Power Functions motors or LED lights and is super easy to setup and use. The new BuWizz 3.0 Pro can control 4 Powered UP (PU) motors or sensors plus 2 Power functions motors. It has four programmable RGB LED lights and fast USB-C charging. The BuWizz App can control several BuWizz bricks at the same time in case you ever really want to build that monster model with a bunch of motors and lights you are dreaming about. For more details about BuWizz brick visit: http://buwizz.com Disclaimer: LEGO® is a trademark of The LEGO Group, which does not sponsor, authorize or endorse us or this product in any way.

About

宇星科技

Features
Read full description

Mould King, a remote control app software for various series of Bluetooth products under Yuxing. Connect to cool bluetooth toy cars of various series under Yuxing Building Blocks through data bluetooth and audio bluetooth. It includes a variety of control methods with different styles, namely: conventional button remote control, gyroscope remote control, line drawing remote control, voice command control, and motion programming control modes, allowing you to experience different fun!

Screenshots

BuWizz3 screens
宇星科技4 screens

Verdict

The call

The clearest difference is rating: BuWizz at 4.0 against 宇星科技's 2.6. BuWizz also leads on review sentiment (43% vs 32%). 宇星科技's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (175 vs 39). On price, ads, in-app purchases and device support 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

BuWizz holds the better App Store score, 4.0 against 2.6. Both are backed by a comparable volume of ratings — 39 and 175 respectively. Written reviews point the same way: 43% of BuWizz's written reviews are positive against 32% of 宇星科技's.

UpkeepUpdate frequency

BuWizz ships an update every 3 months, 宇星科技 every 3 weeks. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
BuWizz versus 宇星科技: the parameters behind the verdict, then further details
ParameterBuWizz宇星科技
PriceFreeFree
Rating4.0 (39 ratings) — better2.6 (175 ratings)
Positive reviews42.9% of reviews — better31.9% of reviews
Number of ratings39175 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size39 MB130 MB
Age rating4+4+
DeveloperBuWizzShenzhen Yuxing mowang Technology Co., Ltd

Customer experience

BuWizz

All ratings38 ratings
Positive76.3%
Neutral2.6%
Negative21.1%
Written reviews42 reviews
Positive42.9%
Neutral11.9%
Negative45.2%

宇星科技

All ratings169 ratings
Positive36.7%
Neutral4.7%
Negative58.6%
Written reviews94 reviews
Positive31.9%
Neutral5.3%
Negative62.8%

Bugs and requests

BuWizz

Not enough reviews yet to summarise bugs or requests.

宇星科技

Reported bugs

19 issues
  • Sets aren’t on the website
  • Connects to brick but lies about connection
  • Bluetooth not discoverable
  • Got the wrong app
  • Robot not supported on this app
Show 14 more
  • App close
  • App doesn't find wallbot product
  • Cannot connect to Bluetooth
  • App barcode invalid
  • App not updated for iOS upgrades
  • Yellow blank screen
  • App won't communicate with machine
  • Machine never shows up in Bluetooth
  • App keeps saying turn on Bluetooth
  • Programming section doesn't work
  • Coding grid appears but no blocks
  • Voice thing doesn't work
  • Controls don't work
  • App disconnects every few minutes

Requested features

10 requests
  • Add 3.2 series support
  • Make a language choosing section
  • Fix coding grid blocks
  • Improve voice control functionality
  • Improve controls functionality
Show 5 more
  • Add path mode instructions
  • Improve draw mode accuracy
  • Update app for iOS upgrades
  • Add Gyro mode
  • Add trace mode

In-app purchases

None

BuWizz

No in-app purchases

None

宇星科技

No in-app purchases

Questions

Is BuWizz free?
BuWizz is free to download, with no in-app purchases.
Is 宇星科技 free?
宇星科技 is free to download, with no in-app purchases.
Which has better reviews, BuWizz or 宇星科技?
BuWizz is rated higher. BuWizz averages 4.0 out of 5 from 39 ratings, while 宇星科技 averages 2.6 from 175 ratings.
Do BuWizz or 宇星科技 have ads?
Neither BuWizz nor 宇星科技 shows ads.
Which is updated more often, BuWizz or 宇星科技?
BuWizz ships an update every 3 months, and 宇星科技 every 3 weeks. Most recently, BuWizz was updated on November 2, 2026 and 宇星科技 on November 6, 2026.

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