Stemzel vs Audire

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

Audire is a MIDI player built for choir and a cappella part practice on iPhone and iPad. Free plan: - Use one sample and two personal songs (3 total), with all playback and practice features available Unlimited Library (one-time purchase): - Purchase to add a third personal song or more - No subscription; existing saved songs remain playable and editable, including libraries above the free limit Share a song: Send its MIDI, part names and playback settings as a ZIP directly from its share button. Share a playlist: Send all included songs and their order in one ZIP. Recipients can import it as a playlist in Audire. Key features: - Import multiple MIDI files and merge them into one piece - Per-part mixer (mute / solo / level) - A-B looping for focused repetition - Global transpose in semitone steps (-12 to +12) - Part editing (name, color, GM instrument, guide toggle) - Bar ruler with pickup and count-in awareness - Background audio playback with Lock Screen play and pause controls - Share pieces with mixer settings and export MIDI Built for practice: - MIDI analysis and playback run on-device - Optional iCloud Sync keeps your own pieces and playlists available across your devices - No tracking, analytics, or developer-operated data collection - Clean, performance-focused interface Audire helps you start quickly, hear only what you need, and repeat efficiently. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://audire.musicatechlab.com/privacy/