RacquetTuner
SportsUtilities

RacquetTuner

Jalsaa · released 27 Nov 2025 · Open in App Store ↗

Revenue 30d not estimated
Downloads 30d not estimated
Rating 1.00 2 reviews

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Rating
Canada50%11.00
United States50%11.00
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Description

RacquetTuner uses advanced audio analysis to measure your racquet string tension instantly. Simply tap your strings and get accurate readings in seconds.

Perfect for tennis, badminton, squash, and racquetball players who want to maintain peak racquet performance and know exactly when to restring.

ACCURATE STRING TENSION MEASUREMENT

RacquetTuner analyzes the sound frequency produced when you tap your strings to calculate tension with precision. The app detects changes as small as 0.1 kg (0.2 lb), giving you reliable data you can trust.

The measurement is based on proven physics: string vibration frequency is directly related to tension. Higher tension produces higher frequency sounds, and our algorithm converts this into accurate tension values.

HOW IT WORKS

1. Select your racquet and sport type

2. Tap the center of your string bed

3. View instant tension reading with accuracy indicator

4. Save measurements to track tension loss over time

FEATURES

String Tension Measurement

Instant readings from audio analysis

Accuracy indicator shows measurement quality

Real-time waveform visualization

Support for metric (kg) and imperial (lb) units

Swingweight Calculator

Calculate swingweight from racquet parameters

Simulate adding lead tape at different positions

Optimize balance point for your playing style

Visual racquet diagram with weight markers

Stiffness Calculator (Premium)

Model stringbed stiffness from tension and head size

Compare power vs control characteristics

Load-displacement curve visualization

Simulate different string types

Racquet Profiles

Store multiple racquet configurations

Track tension history for each racquet

Record string type and stringing date

Export measurement data to CSV

SUPPORTED SPORTS

Tennis - Standard tension range 18-32 kg

Badminton - Standard tension range 9-14 kg

Squash - Standard tension range 11-16 kg

Racquetball - Standard tension range 14-22 kg

WHY MEASURE STRING TENSION

String tension drops immediately after stringing and continues to decrease with play. After two months, strings typically lose half their initial tension. This affects:

Shot control and accuracy

Power and ball speed

Spin generation

Comfort and arm health

Regular tension monitoring helps you maintain consistent performance and decide the optimal time to restring.

PREMIUM SUBSCRIPTION

Unlock all features with Premium:

Unlimited racquet profiles

All sport types (Badminton, Squash, Racquetball)

Tension history graphs

Stiffness calculator

CSV data export

Subscribe weekly, monthly, or yearly. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage subscriptions in Account Settings.

ACCURACY NOTE

RacquetTuner provides reliable relative measurements for tracking tension changes over time. For best results, tap consistently in the center of the string bed and ensure no dampeners are attached during measurement.

SUPPORT

Questions or feedback? Contact us at [email protected]

Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/