String Tension: Racquet Meter

heekyung moon · Sports

5.0 1 ratings Free

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 26, 2026
Rating ★ 0 → 5
Aug 26, 2026
New version 1.0 → 1.2.6

Two improvements in this update: (1) Added a 100 sq in head size — 100 sq in racquets are now a one-tap pick, and tennis head sizes show in square inches. (2) A much steadier meter: it now averages several taps and only locks a number once your taps agree, so you get one stable reading instead of a value that jumps every time. Thanks to the players who wrote in.

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.

Average rating history over the observed period. 0 2 4 Aug 26 15:40 Aug 27 03:29 Aug 27 15:17 Aug 28 03:06 Aug 28 14:55

Average rating

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 100% 1
4★ 0% 0
3★ 0% 0
2★ 0% 0
1★ 0% 0

Screenshots

About

▶ Know exactly when to restring. Pluck a main string, hold your phone's mic close, and the app reads the vibration frequency to estimate the tension of your stringbed in kilograms or pounds. ▶ Set up a profile for each frame: head size, string type and gauge for tennis, squash or badminton. The physics of a vibrating string turns pitch into a tension figure you can compare over time. ▶ Watch the drop. Tension falls even when you are not playing, so a history graph shows how much softer your bed has gotten since the day it was fresh, like minus fifteen percent and counting. ▶ Set a threshold and get a reminder when your bed has dropped past the feel you like, so a restring is never a surprise mid match. ▶ Save several racquets, log each measurement, and share a clean result card. Works on device, no account needed. Readings are relative estimates that depend on your frame and string, and are best used to track change over time rather than as a certified gauge. Results vary with technique and setup.

What's new · 1.2.6

Two improvements in this update: (1) Added a 100 sq in head size — 100 sq in racquets are now a one-tap pick, and tennis head sizes show in square inches. (2) A much steadier meter: it now averages several taps and only locks a number once your taps agree, so you get one stable reading instead of a value that jumps every time. Thanks to the players who wrote in.

Details

Developerheekyung moon
ReleasedJul 2026
UpdatedJul 2026
Version1.2.6
Size54.9 MB
RequiresiOS 16.4 or later
Age rating17+
LanguagesEnglish
PriceFree
Categories SportsUtilities
Bundle IDcom.moon.stringtension