AI · alternatives · 2026

24 alternatives to IN/OUT

AI tennis line judge for any court

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. IN/OUT launched in 2017; newer entries below may have overtaken it.

1. 1
   ShotStats ▲59

   Smart Tennis Racket

   2014 · shot-stats.com · its alternatives →

2. 2
   Sessions▲65

   Real-time music and visuals using US Open tennis data

   2014 · its alternatives →

3. 3
   CheckiO▲102

   Open platform for AI competitions

   2014 · checkio.org · its alternatives →

4. 4
   TieBreak▲77

   A tennis coach on your wrist

   2016 · its alternatives →

5. 5
   ScoreLord Tennis▲78

   Swipe, score & find live matches

   2016 · scorelord.co · its alternatives →

6. 6
   Zepp Tennis▲63

   Analyze and Improve Your Game

   2015 · zepp.com · its alternatives →

7. 7
   Big Racket▲71

   Grunt like a tennis great, just in time for Wimbledon!

   2016 · its alternatives →

8. 8
   Runway▲110

   AI-based financial planner

   2014 · its alternatives →

9. 9
   RacketWise▲6

   AI-powered tennis racket and string setup finder

   2025 · racketwise.app · its alternatives →

10. 10
    Lawgeex▲139

    Get your legal document analyzed in a few seconds

    2015 · lawgeex.com · its alternatives →

11. 11
    CourtCorrect▲64

    Easy & affordable legal support with the help of AI

    2021 · courtcorrect.com · its alternatives →

12. 12
    BestShot▲72

    Your AI-based tennis coach

    2018 · its alternatives →

13. 13
    Tennis Bits▲67

    Swing your racket, and put on your cheese hat!

    2016 · apps.apple.com · its alternatives →

14. 14
    Rival {Theory}▲63

    Artificial intelligence for gaming

    2014 · rivaltheory.com · its alternatives →

15. 15
    Smash Tennis▲96

    Makes finding tennis partners easy

    2017 · smash-app.com · its alternatives →

16. 16
    iSummary▲69

    AI-powered summaries of your favorite articles

    2016 · intelligentappsinc.com · its alternatives →

17. 17
    Smash▲67

    The game changing tennis wearable

    2014 · smashwearables.com · its alternatives →

18. 18
    Tennis Scorer▲53

    Score, create, send, review match stats, add players etc

    2016 · cesd.com · its alternatives →

19. 19
    Tippy▲32

    Sports betting AI-Bot

    2019 · tippy.live · its alternatives →

20. 20SA
    Search and chat with millions of court cases using AI.▲31

    2025 · courtsearch.ai · its alternatives →

21. 21
    Happy Tennis▲60

    Get ready for a smashing good time!

    2016 · happylabs.weebly.com · its alternatives →

22. 22
    Babolat Pop▲58

    Up your tennis game with your connected coach

    2016 · babolat.com · its alternatives →

23. 23
    Tennis Chimp▲1

    THE WORLD'S ULTIMATE TENNIS COMMUNITY

    2015 · its alternatives →

24. 24
    Typing Tennis▲5

    Hey HN, Here’s a quick weekend project: tennis, but played by typing. Try it out!

    Jan 2026 · typingtennis.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →