Currently, the top tennis apps available are: To follow tennis scores: ATP, ITF, TNNS, and Resultina. To improve your tennis game: APEAK, Swingvision, Head Tennis Sensor, and Hudl Technique. To find partners and courts: TennisPal, Kourts, and TennisGroups. For tennis games: Tennis Clash, Tennis Open 2021, and Australian Open Game.
https://mytennishq.com/the-top-14-best-tennis-apps-updated