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RacquetTune - String Tension

by Sten Kaiser

Estimate racquet-string tension from sound.

iOSPaid
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What it does

RacquetTune - String Tension offers racquet-string tension estimates from tapped strings, plus swingweight and stiffness calculation tools.

Pricing

United States App Store download: $2.99 (USD), checked 2026-10-02. An upfront purchase is required.

Sources & verification

Last verified: 2 October 2026. Features not listed here may be unverified.

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