SHIFT — Tempo & Key Changer

SHIFT changes the tempo, speed, pitch and key of any song, live, right on your iPhone. Open a track, move it to the BPM or key you need, compare it with the original, and export the result. TEMPO • Set the exact BPM: type it, tap it, or nudge by 0.1 or 1 BPM • Keep key on to change the tempo without touching the pitch • Half and double time, from ½× to 2× the original • See the new length before you export PITCH AND KEY • Shift by semitones and fine-tune by cents • Tap a target key and SHIFT works out the move. Minor stays minor • Preserve formants to keep vocals natural, or shift formants on purpose • Correct a track recorded slightly sharp or flat to A440 SPEED • Turn Keep key off for varispeed: tempo and pitch move together, the way slowed and sped-up edits sound ADVANCED XY • Drag one pad to move tempo and pitch at once • Lock either axis, snap pitch to semitones, and pick Fine, Normal or Wide response PARTS AND LOOPS • Select any part of the song on the detailed waveform and loop it • Give a part its own tempo and key while the rest of the song stays as it is KNOW YOUR TRACK • SHIFT detects the original tempo and key, with Camelot numbers for DJs • Correct either one by tapping along or picking it yourself COMPARE AND EXPORT • Switch between Original and Processed at the same spot, any time • Choose Draft, Balanced or High processing quality • Export WAV 24-bit, WAV 16-bit (dithered), AAC 256 kbps or Apple Lossless • Export the whole track or just your selection, saved to Files and ready to share • Add artwork and edit the song name and artist Opens WAV, AIFF, MP3, AAC/M4A, Apple Lossless and FLAC. Everything runs on your iPhone, and nothing you open is uploaded. FREE AND PRO Try every control on any 30 seconds of a song, and on the full built-in demo. SHIFT Pro is a one-time purchase that opens whole songs of any length and unlocks export. No subscription. Songs from Apple Music and other streaming services are protected and can't be opened.