ServeLab

ServeLab

A Tennis Coach in Your Pocket

2 ratings
9 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • July 31, 2025
  • September 24, 2026

Features

ServeLab screenshot #1 for iPhone
ServeLab screenshot #2 for iPhone
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About

Film your tennis serve and receive instant AI-powered feedback on your technique. Identify mistakes and get actionable advice to improve your game. Your personal tennis coach is now available on your phone.

✓AI-powered serve analysis
✓Mistake identification
✓Personalized improvement tips
✓Video recording and feedback
✓Pocket tennis coach
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What's New in ServeLab

3.0.7

September 24, 2026

Thanks for using ServeLab! We're always working hard to give you the best experience possible. This version contains bug fixes and performance improvements.

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Subscriptions & In-App Purchases

Bert Monthly

Unlimited access to Bert

$29.001 Month
How to cancel ServeLab subscription ⁉️

User reviews

App crashes

Just downloaded, will not run - immediately crashes in IOS 27

Multiple problems

Since the start (with Bert) I have encountered multiple obstacles using the app. I can no longer upload a video from my phone, the only comparison now is with Dmitrov from the ad side (no longer Sinner from the deuce side), and some of the analysis is incorrect (I don’t have a waiter’s tray, since I don’t jump my right foot lands in the court first and the app doesn’t realize why, and some other comments are incorrect). I paid for a year but would like to be able to submit videos regularly without problems. Would also like comparisons with the deuce side servers as well as slice and kick serves which have somewhat different motions. The side view they mentioned is still not available but they are selling a “lifetime” subscription that will eventually add groundstrokes analysis - but I don’t think it will be in my lifetime.
What they have is ok but comes with the problems of AI without human oversight. But they have to get the links out soon.
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Sizing and comparison issues

Three issues - 1 - data and screens get clipped when viewing on phone so can’t see all info. Nothing I can do to fix this and very frustrating. 2 - requested to be compared to a female player and always compared to a male player (usually Jannik, i wish i was a 6’4” male pro player, i am not). 3 - if I reverse the camera to shoot my serve the AI somehow puts the racquet in my LEFT hand and treats me like a lefty. It’s bizarre.
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Too EXPENSIVE

Looks like a super interesting app and was excited to see how well the model was trained. However I realised just as I went to use the ai model that it is too expensive!! $49/ month is way too much money when I had no idea if the model will even work.
Giving it 2 stars instead of 1 tho because I’m interested by this and hope it’ll grow into something more available to everyone!
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zu teuer!

viel zu teuer! schade weil an sich eine gute idee. 350€ nur für aufschlag ist zu viel. das muss auch günstiger gehen vielleicht mit werbung ansonsten buche ich mir einfach einen trainer und hab für weniger geld mehr davon.

Developer apps

FAQ

How does Bert analyze my tennis serve?

Bert uses AI to analyze a video of your tennis serve. It identifies specific mistakes in your technique and provides actionable advice on how to correct them, helping you improve your game.

What kind of feedback does Bert provide?

Bert provides detailed feedback on your serve, highlighting errors in your form and offering clear instructions on how to fix them. This personalized guidance aims to enhance your serving accuracy and power.

Is Bert available on all devices?

Bert is available on iPhone, iPad, and iPod. The app is designed to work on Apple's mobile operating systems.

What are the subscription options for Bert?

Bert offers monthly and yearly subscription plans. The monthly plan costs $29.00 per month, and the yearly plan is priced at $299.00 per year.

Does Bert have ads?

Yes, Bert contains advertisements. As a free app with in-app purchases, it utilizes ads to support its services.

What is the age rating for Bert?

Bert has an age rating of 4+, making it suitable for young users and above. This indicates it contains no mature content.

How often is Bert updated?

The latest version of Bert was released on March 24, 2026. Updates are released periodically to improve features and performance.

What is the user sentiment for Bert?

Based on the available data, Bert has a rating of 3.0 stars from 3 ratings. This suggests a mixed user reception.