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Great fun! Only qualm is I wish we could draw power curves using equations. It's quite difficult to get a smooth curve moving those dots around with your fingers
★★★★★NojkaFa· Jul 8, 2021
Very good the range and power is epic. The mode selector does not work on the 3.0
★★★★★Robert Bonjour· Feb 26, 2023
Got six mocs running with Buzz 2.0 and 3.0 pro and two more in the making. Apart from an occasional hiccup, all work fine and much better than the originals. What bothers me a little bit is that Buzz keeps promising updates with major additional features since the end of 2021, yet I have not received any updates nor notifications. Buzz has also been telling the community that it is looking into presenting a dedicated controller that would work without a phone. No information till now.
★★★★☆Spencer Perkins· Dec 1, 2019
This app is great, but I'm just wondering, is there an option for making a motor act like a servo for steering? I'm trying to create another controller and add another motor and axle to the 42099 4x4.
★★★★★David Walker· Dec 25, 2019
Brilliant app that does what it promises. Used on the Lego 42100, Liebherr R9800 excavator which works superbly. The Lego control+ app either disconnects or crashes repeatedly on my tablet so Buzz was the perfect solution. Works with android 4 or above so great for the older phone/tablet. Setting the app up for your particular model can be a bit daunting at first, but there are plenty of tutorials on YouTube. Would like to see support for the accelerometer (I think that's what it's called) function that's in the Lego smart hub. Overall a fantastic app that's well worth a try even if your Lego app works correctly as this gives you more customizable options. Overall, bloody marvelous piece of software.
★★☆☆☆Gideon Kleinjan· Dec 16, 2019
Great app but it seems to have broken for me, the old app does still work at least. It just doest connect, no matter what I do/try. It's just to bad because this app used to work great.
★☆☆☆☆Ray· Aug 9, 2025
I'm sorry for the one star but there is just so many things wrong with this app. #1 - The Buzz box has VERY bad connection. I could stand next to it and try to use full acceleration, and then it will disconnect for some reason. #2 - The app works at first, but then it just doesn't. I'll connect it in the settings top right and exit settings, and it will automatically disconnect for some reason. I have plenty more issues, but there isn't enough character space to type it out hear. Please fix!!!
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