
About
Instantly measure the tension of any tennis racket and string configuration with high accuracy. Input racket and string parameters, then gently tap the strings near your phone's microphone. Save configurations and measurements to history.
What's New in TennisTension Pro
2.0.1
June 26, 2025
Improved app accuracy and added 80 new string models.
Subscription plans
Monthly Plan
Billed monthly. After 3 days free trial.
Developer apps
FAQ
How does TennisTension Pro measure string tension?
TennisTension Pro measures string tension by analyzing the sound produced when you gently tap the strings near your phone's microphone. You need to input specific racket and string parameters for accurate readings.
What are the subscription options for TennisTension Pro?
TennisTension Pro offers a monthly plan for $1.99 and an annual plan for $9.99. Both plans include a 3-day free trial.
Can I try TennisTension Pro before subscribing?
Yes, TennisTension Pro offers a 3-day free trial for both its monthly and annual subscription plans, allowing you to test all features.
How accurate is TennisTension Pro's measurement?
The measurement accuracy of TennisTension Pro is 0.1kg (0.2lbs), providing precise readings for your racket string tension.
Does TennisTension Pro have a library of string models?
Yes, TennisTension Pro includes a library with over 130 different string models that have been thoroughly examined, aiding in accurate configuration.
Can I save my racket and string configurations with TennisTension Pro?
Absolutely. TennisTension Pro allows you to save different racket and string model configurations, as well as your measurement history for easy reference.
How do I manage my TennisTension Pro subscription?
Your subscription can be managed and auto-renewal turned off by going to your Account Settings after purchase. Auto-renewal must be turned off at least 24 hours before the end of the current period.
What devices is TennisTension Pro compatible with?
TennisTension Pro is available for iPhone and iPad, indicated by its support for these devices.





