Instantly measure your racquet string tension using advanced audio analysis. Track tension loss over time, calculate swingweight, and optimize your racquet performance for tennis, badminton, squash, and racquetball.






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Instantly measure your racquet string tension using advanced audio analysis. Track tension loss over time, calculate swingweight, and optimize your racquet performance for tennis, badminton, squash, and racquetball.






This app analyzes the sound frequency of a tennis racquet to determine string tension and condition. It helps players identify the optimal time for restringing to enhance performance and protect their arm. Stringers can use it to advise clients and manage their customer base.






This app uses your iPhone's microphone to measure the tension of your racquet strings. It tracks tension decay over time, offers personalized restring recommendations, and provides a comprehensive string toolkit for serious players.