StemMaster

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

StemMaster is ranked #2 of 34 in AI audio mixing software on Inferse. It runs on macOS, Windows. Paid plans start at $4.92/mo.

Compared on AI audio mixing software

Free plan: Nonomzstudios.com
DAW plugin: Nonomzstudios.com
Stem separation: Nonomzstudios.com
Automatic EQ: Yesnomzstudios.com
Automatic dynamics: Yesnomzstudios.com
Spatial processing: stereonomzstudios.com
Plugin formats: standalonenomzstudios.com

Facts

Purpose: StemMaster analyzes audio stems, mixes and masters them, and explains its processing decisions.nomzstudios.com · 3 Oct 2026
Stem mixing: It balances, pans, EQs and compresses stems according to their measured roles.nomzstudios.com · 3 Oct 2026
Automation: It detects song sections and can automate gain, pan, filters, reverb and stereo width by section.nomzstudios.com · 3 Oct 2026
Vocal and frequency tools: Features include a vocal rider and spectral unmasking that can duck competing frequency ranges.nomzstudios.com · 3 Oct 2026
Reference matching: Users can provide a commercial reference track to guide tonal balance, width and dynamics while retaining the selected loudness target.nomzstudios.com · 3 Oct 2026
Loudness targets: The listed targets are Streaming −14, Club −9 and broadcast EBU R 128 −23 LUFS.nomzstudios.com · 3 Oct 2026
Audio formats: It loads WAV, AIFF, FLAC, MP3 and OGG stems, and supports multiple export formats including 24-bit audio and 32-bit float WAV.nomzstudios.com · 3 Oct 2026
AI engines: The built-in analysis engine works offline; the optional AI engine uses the user's own API key, with Anthropic, OpenAI, z.ai and compatible providers listed.nomzstudios.com · 3 Oct 2026
DAW workflow: StemMaster is a standalone app rather than a VST plugin, and the FAQ describes exporting stems from DAWs such as Ableton, FL Studio, Logic, Reaper and Cubase.nomzstudios.com · 3 Oct 2026
Privacy: The maker says analysis, mixing and mastering run locally and audio is never uploaded; the optional AI engine sends measurement summaries, not audio, to the selected provider.nomzstudios.com · 3 Oct 2026
Security and telemetry: The privacy policy says the app has no account, usage tracking, crash reporting or analytics SDK, and stores API keys in the operating system credential store.nomzstudios.com · 3 Oct 2026
Free demo: The free demo is the full app, but exporting requires a license and mastered playback includes a periodic audio tag until licensed.nomzstudios.com · 3 Oct 2026
System requirements: It runs on 64-bit Windows 10 version 2004 or newer and Windows 11, or Apple Silicon Macs on macOS 15 or newer; Intel Macs are unsupported.nomzstudios.com · 3 Oct 2026
Support: The maker says it answers questions publicly in its Gearspace thread.nomzstudios.com · 3 Oct 2026