iDoctor Live Stems

iDoctor Live Stems turns your iPad or iPhone into a stage-ready multitrack player. Load up to 6 stems per song, hit PLAY and every track starts sample-locked. Each track has its own fader, mute, solo, pan, meter, waveform, color and an independent physical output to your USB-C multichannel interface: click and cues to the band's in-ears, the mix to the PA.

BUILT FOR THE STAGE
• Host-clock synchronized start: no drift between tracks, not even when seeking or looping.
• Console-style mixer with long faders, live VU meters, protected gain and per-track lock.
• Timeline with waveforms, draggable playhead, section markers (create, edit and jump with GO TO) and per-section track automation.
• Seamless A-B loop/vamp to stretch a section until the band is ready.
• Full-width on-screen lyrics with autoscroll, manual scroll and pinch zoom.
• Real-time pitch ±12 semitones and tempo 50–150%, remembered per song.
• Count-in, setlist auto-advance and chained medleys with crossfade.

YOUR OWN RECORDED CUE TRACK
• Add a recording track, arm the mic and record your spoken cues in sync with the song, watching the waveform draw live.
• Record in one pass or in parts, with automatic latency compensation, take undo/redo and full editing in a full-screen audio editor: silence, crop, gain, fades, shift and export to WAV or M4A.
• Route it only to the in-ears: the audience never hears it.
• Built-in automatic latency calibration and precision test: your takes land exactly where you sang them.

TRUE MULTICHANNEL ROUTING
• Global or per-song output matrix: each track to its stereo pair or mono to a specific physical channel, with a test tone per output.
• Works with class-compliant USB-C interfaces (iConnectivity, Zoom, Universal Audio…). Without an interface, it plays in stereo over the speaker or AirPods.

YOUR LIBRARY, SAFE
• Automatic file verification and repair: SHA-256 integrity and restore from iCloud when a local file goes missing.
• Rotating ZIP backups (plus weekly automatic), visible in the Files app.
• Automatic sample-rate conversion on import, drag & drop from Files or Finder, and stereo mix export to WAV.

GIG-READY
• Setlists with their own order, notes, per-setlist chained medleys and one-tap start.
• Preflight: checks stems, integrity, channels, battery and temperature before you go on.
• Concert mode (screen stays on), resume after a crash, persistent show log and interruption handling.
• MIDI pedalboard (Bluetooth or USB): play, stop, sections, vamp and panic with your foot.
• Remote control from a second iPad/iPhone, Apple Watch support and a backup iPad with hot takeover.
• Optional iCloud sync (complete songs, audio included) and backup to your own cloud via Files. AirDrop complete songs between devices.
• Built-in manual, available in English, Spanish, German and French.
• Also on your Apple Silicon Mac (Designed for iPad), with drag & drop from Finder.

iDoctor Live Stems is a musical performance tool, part of the iDoctor Music Tools ecosystem. It is not a medical app. No accounts, no ads, no data collection.