Notes

How Racquet works.
What we know about strings.

Research notes on the estimate inside the app, and guides that put its numbers to use. Every figure runs on the same rules as the app.

Research note

How Racquet estimates string health

Strings don’t come with a fuel gauge. Here is the rule Racquet uses instead: published stringing guidance, tuned to how you play, and honest about what it can’t know.

26 October 2026 · 9 min read
Guide

How often should you restring?

A table for every string and every schedule, from the same estimate the app runs.

26 October 2026 · 4 min read