Stringbed: String Tension

Tennis Stringbed does one thing: it tells you which string to ask for and how many pounds to have it pulled at — for your racket, and for the way you actually play. No account. No subscription. Nothing collected by us. HOW IT GOES You answer a few plain questions: how you hit, how often you play, what is in the racket now, whether your arm bothers you afterwards. A band on a fixed 40–62 pound scale narrows while you answer, so you can watch the answer being found. “I don’t know” is a real answer at every step — the app keeps it as unknown and widens the band instead of guessing quietly. When there is enough to settle, the band lands on a number and you get: • the exact pounds for the up-and-down strings and for the side-to-side strings • one string to use, named with its thickness and the reason, plus two alternatives • one sentence to say at the counter • “Why these numbers” — which of…