TuneSlider

TuneSlider changes a song's speed without changing its pitch, and its pitch without changing its speed — down to the cent. Built for practicing, transcribing, and slowing down the hard parts. No subscription, no account, no ads. THREE DIALS, ONE JOB EACH Speed, pitch, and fine tune are always independent, and always color-coded the same way everywhere in the app, so you never lose track of which one you're touching. • Speed — 25%–200% of the original tempo in 1% steps. Pure time-stretch: the pitch never drifts, even at half speed. • Pitch — ±6 semitones, a full octave of transposition, in whole-step jumps, without ever touching the tempo. • Fine tune — ±50 cents around whichever semitone you've picked, enough resolution to correct a recording that's just a hair off. BUILT FOR REPEAT PRACTICE Real library features, not just a single-file player. • Per-song memory — speed, pitch, and…