TennisKeeper is a racquet sports activity and match tracker for iOS and Apple Watch.
The App DNA
What makes this app unique?
Players hire the app to quantify match performance and manage equipment lifespan, but the current sensor instability prevents it from fulfilling its primary utility as a reliable match-day log.
For Racquet sports players, league team captains, and coaches who require detailed performance metrics and match tracking.
What does it look like?
Key features
Captures swing path, speed, angles, and contact point using Apple Watch sensors
Records match events including aces, double faults, and shot types in real-time
Monitors usage hours for racquet strings and shoes with automated alerts for replacement
How much does it cost?
Hybrid model combining a one-time Pro Edition purchase for core stats with modular subscriptions for specialized data analysis.
Velocity
Dormant developmentplatform expansionShow more...
The app has not received a release in over 6 months, falling well outside the threshold for active development. The single available release note indicates a minor platform update for iOS and watchOS 26. There is no evidence of ongoing feature development, live operations, or maintenance cycles. The development status is classified as zombie due to the lack of activity since October 2025.
Who built it?
User Sentiment
What do users think recently?
The recent review mood reads frustrated. Users appreciate comprehensive tracking of tennis workout metrics provides value for dedicated league and club players, but report inaccurate swing classification and shot counting undermine the utility of the automated tracking features.
How are ratings & reviews evolving?
What users say, by theme
- Comprehensive tracking of tennis workout metrics provides value for dedicated league and club players
- Inaccurate swing classification and shot counting undermine the utility of the automated tracking features
50 of 50 recent reviews analyzed · high confidence · Frustrated overall
Read the full review analysisUnlock 1 more frustration theme and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for TennisKeeper: Swings & Scores
How's the Health & Fitness market?
TennisKeeper holds a #81 Grossing position in the Russian fitness category. The low review volume of 40 ratings suggests a niche user base that is currently sensitive to monetization friction.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for TennisKeeper: Swings & Scores
Where is it heading?
The racquet sports tracking market is consolidating around high-reliability match utilities, leaving TennisKeeper exposed to rivals that prioritize sensor accuracy over complex data gating. The team must shift from feature expansion to stability hygiene to prevent further erosion of the core user base.
- Persistent watch-side crashes during active matches erode the daily habit, which compounds the rating drag already visible on the platform.
- The equipment maintenance tracker provides unique utility for serious players, creating a stable core of users who tolerate current technical flaws.
The SWOT
- Equipment maintenance tracker functions as a high-utility retention mechanism for serious club players
- Manual entry overrides for automated tracking errors could stabilize the user experience during sensor failures
Next best moves
Rebuild watch-side session persistence because frequent crashes are the top complaint → reduce churn
+ 1 more prioritized moveThe counter-intuitive read
The app's niche focus on equipment maintenance is…
Read the full takeFeature gaps
Gamified reward system (available in PitPat but absent here) +1
Since the last report: The analysis transitioned from high-level technical observations to granular documentation of user-reported sensor failures and app crashes, resulting in a negative sentiment outlook.
Bottom line
TennisKeeper provides essential utility for serious racquet players, but persistent sensor instability and aggressive subscription gating erode user trust, so the team must prioritize watch-side reliability to stabilize retention before expanding the subscription portfolio.
Unlock 1 critical friction, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated