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Systematically Tested

Systematically Tested


by Ivan Dokov

What is it about?

Systematically Tested


App Details

Health & Fitness Sports
Last updated
December 4, 2020
Release date
February 11, 2019
More info

App Screenshots

TennisTension screenshot-0
TennisTension screenshot-1
TennisTension screenshot-2
TennisTension screenshot-3
TennisTension screenshot-4

App Store Description

Systematically Tested
with different racquets and strings by players at different level of play - from children and beginners to ATP professionals

High precision and consistency
of the measurements of the tennis racquet string tension - the error less than 0.1 kg.


- TennisTension will help you understand your tennis game, find the right string models for you and the relevant string tension. In few months time you will be able to improve all your tennis ability by better understanding and controlling the huge role of the strings and their actual tension during play.
- TennisTension will serve you through all your tennis career.

Instructions for use

- Mind the tension loss!
- Remove the dampener!
- Hybrid string mode can be chosen in the settings.
- If you wish, change the default parameters of the string model types, string thicknesses, string pattern,stringer’s style, head size, the influence of the racquet’s frame and grommets.
- Soon TennisTension Ltd will release a new version of the app with the feature called Fixed racquet/string/stringer configuration (for details read the instructions while implementing every new configuration). With this feature every user will be able to implement his own racquet's and string's model configuration and also taking into account the role of the specific stringer's working style.
- To make a measurement, tap gently once or several times the center of the string with a hard object (another racquet, fingernails, finger knuckles etc.), while keeping the resonating racquet string as near as possible and in front of the phone microphone (usually mounted at the bottom of the phone).
- Be careful not to touch the string with your fingers while measuring.
- The measurement result shows the average tension between main and cross strings of the racquet (for example, if a racquet is strung 25/24 kg the app will measures 24.5 kg).
- The error of the measurement result is less than 0.1kg.
- Read the FAQs section for more information

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