OnStem vs Harmonic Tuner

OnStem: AI Music Separation is an on-device AI-powered music separation tool that allows you to split audio tracks into individual stems with privacy and performance in mind. Powered by optimized local inference based on the open-source Spleeter project, OnStem performs all audio processing entirely on your device, without uploading files to any server. Key Features AI Music Separation Separate audio into 2 stems: Vocal and Accompaniment Separate audio into 5 stems: Vocal, Piano, Drums, Bass, and Accompaniment On-Device AI Processing All processing runs locally using on-device AI models No audio files are uploaded or shared Your content stays private on your device Optimized for Long Audio Custom optimizations allow processing of very long audio files Designed for stability and efficiency on mobile devices Multiple Export Formats Export separated tracks as MP3, WAV, M4A, or AAC Easily integrate with other audio tools and workflows Privacy First OnStem is a local-first application. All selected files are processed on your device only. No audio data or personal information is collected, stored, or uploaded. Subscriptions and Purchases OnStem offers both subscription plans and a one-time purchase option. Monthly subscription Quarterly subscription Annual subscription One-time lifetime purchase (where available) Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscription at any time in your Apple ID account settings. Prices may vary by region and are displayed before purchase. Legal Privacy Policy https://github.com/yangliu-1995/stemify-legal/blob/main/Privacy-Policy/EN.md Terms of Use https://github.com/yangliu-1995/stemify-legal/blob/main/Term-of-Use/EN.md OnStem is designed for creators who value privacy, performance, and on-device AI processing.

Harmonic Tuner is a precision tuner for string players who want more than just a needle. Tune with a fast live readout, then dig into harmonic snapshots to see how your tone changes after the pluck. Whether you are checking intonation, cleaning up a note before recording, or studying overtones and sustain, Harmonic Tuner gives you a focused workflow without unnecessary clutter. Features: • Chromatic tuning with clear cents and frequency readouts • Instrument presets for guitar, bass, ukulele, mandolin, and slack-key guitar • Smooth live tuning display designed for quick visual adjustment • Harmonic Analysis view with timed snapshots after the initial note lock • Harmonic bars that show the strength of the base pitch and upper overtones • Waveform snapshots for comparing the shape of the sound over time • Save, name, reload, and compare harmonic captures • Adjustable reference pitch (A4) • Advanced controls for noise gate, filtering, smoothing, and tracking stability • Input device selection for supported audio hardware Use the main tuner when you want fast, focused tuning. Use Harmonic Analysis when you want to understand what your note is doing after the attack. Harmonic Tuner is built for players who care about pitch, response, and tone.