ServeLab (formerly Bert)

2.4 stars7 reviewsFree

4+Version 3.0.0Updated 6/25/2026, 10:39:33 PM

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Introducing Bert, your new AI tennis coach, and to take a lesson, all you have to do is film your serve with your phone, in a few minutes, Bert will tell you what mistakes you’re making and how to fix them. For more information: https://www.fuzzyyellowballs.com Terms of Use: https://www.fuzzyyellowballs.com/terms-of-use/