Soundipity vs Stemzel

Soundipity — A Generative MIDI Instrument You Play Live Soundipity is a real-time generative MIDI instrument you play like an instrument. Shape probability, scales, rhythms, chord progressions, and note ranges on the fly—the engine responds instantly so you can sculpt evolving music in motion. Soundipity can drive melodic instruments, drums, or both at once, route multiple voices to different instruments, and keep everything perfectly in sync. Connect it to your DAW (Logic Pro, GarageBand, Cubasis, etc.) or any MIDI-capable synth, hit record, and capture full performances as you tweak. What you can do Play melodies or drums Generate melodic lines, drum patterns, or layered combinations—each voice can target its own MIDI channel or instrument. Control everything in real time Adjust probability, rhythms, ranges, intervals, velocity, and tempo while the music plays. No stopping, no reprogramming. Use your own chord progressions Input custom chord progressions or harmonic modes so voices evolve while staying musically grounded. Run multiple voices in sync Drive multiple instruments at once, each with independent behavior, locked to the same clock. Shape live structure with Zones Save complete states as Zones for different sections and switch instantly during performance or recording. Built for studio and stage Improvise live or record evolving takes directly into your DAW in a single pass. Key features • Melodic and drum-oriented MIDI generation • Custom chord progressions and chord-aware filtering • Probability controls, rhythm presets, interval settings, and loop lengths • Multi-voice setup with per-voice MIDI routing • Zone saving and instant switching • Real-time tempo control with immediate response • MIDI-first design for software and hardware instruments • Works on iPhone and iPad In-app purchase Soundipity is free to get started so you can explore the workflow and start making music right away. Soundipity Pro unlocks unlimited voices and unlimited Zones for deeper layering and larger performances. Great for • Live electronic improvisation • Playing generative music like an instrument • Driving synths, drum machines, and plug-ins together • Capturing evolving ideas in a single DAW recording pass

Stemzel splits any song into four stems — vocals, drums, bass, and other instruments — entirely on your iPhone. No cloud uploads. No subscription. No account required. IMPORT YOUR AUDIO • File — pick from Files, iCloud Drive, or anywhere on your device • URL — paste a direct link to an MP3, M4A, or WAV file • Record — capture audio with your microphone and split it instantly MIX AND EXPORT • Mute or solo any stem to hear exactly what you want • Play back your mix with a built-in waveform scrubber • Export individual stems or your full mix to the Files app PRIVATE BY DESIGN Every split runs on your device using on-device AI. Your music never leaves your iPhone. No servers, no tracking, no ads. ONE-TIME UNLOCK Pay once, use Stemzel forever. Unlimited splits and downloads — no monthly fees, ever. PERFECT FOR • Musicians learning parts by ear • DJs and producers isolating elements • Karaoke and acapella practice • Remixing and sampling workflows • Anyone who wants stems without uploading to the cloud Stemzel is built for speed and privacy. Import a track, wait a moment while it separates, then mute the vocals, solo the drums, or export everything — all from your pocket. Questions or feedback? Visit stemzel.com/support