sonible pure:EQ vs StemMaster
sonible pure:EQ
sonible.com
StemMaster
nomzstudios.comSide by side
| Figure | sonible pure:EQ | StemMaster |
|---|---|---|
| Price from | — | $4.92/mo |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Plans published | 1 | 3 |
| Spec score · AI Audio Mixing Software | 7.8 (#11) | 7.3 (#24) |
| Privacy | sonible says personal-data processing follows the GDPR and applicable country-specific data-protection regulations. | 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. |
| Purpose | pure:EQ is an AI-powered EQ plug-in for balancing a track’s spectral distribution. | StemMaster analyzes audio stems, mixes and masters them, and explains its processing decisions. |
| Support | sonible’s help center provides plug-in support articles and a form to submit support requests. | The maker says it answers questions publicly in its Gearspace thread. |
Plans
StemMaster
- Monthly subscription$9.99 a month
- Annual subscription$59 a year
- Lifetime license$99, paid once
In their own words
sonible pure:EQ
sonible pure:EQ is an AI-powered equalizer plug-in for balancing a track’s spectral distribution. It analyzes an audio signal for weak spots and uses input-specific neural-network profiles to generate a corrective filter curve. Warm, neutral, and bright styles offer different tonal directions, while an adaptive filter can respond to signal changes during a track. Frequency selectors set the lowest and highest points processed. The plug-in supports mono and stereo audio from 44.1 kHz to 192 kHz. It runs on Windows and macOS, with VST, VST3, and AAX formats on Windows, and VST, VST3, AU, and AAX on Mac. Listed minimums are 64-bit Windows 10 or macOS 10.13+, an Intel Core i5 or Apple Silicon CPU, and OpenGL 3.2+. Authorization is machine-based or through iLok. The listed single-plug-in plan costs $19 as a one-time purchase; the pricing note says From $39 and a 30-day trial is offered after registration.
StemMaster
StemMaster is a standalone app that analyzes audio stems, mixes and masters them, and explains its processing decisions. It balances, pans, equalizes, and compresses stems according to measured roles, and can detect song sections to automate gain, pan, filters, reverb, and stereo width. Tools include vocal riding and spectral unmasking. Users can supply a commercial reference track to guide tonal balance, width, and dynamics while retaining a selected loudness target. Listed targets are Streaming −14, Club −9, and broadcast EBU R 128 −23 LUFS. The app loads WAV, AIFF, FLAC, MP3, and OGG stems and supports exports including 24-bit audio and 32-bit float WAV. Its built-in analysis engine works offline. An optional AI engine uses the user's own API key and sends measurement summaries, not audio, to the chosen provider. The free demo is the full app, but exporting requires a license and unlicensed mastered playback has a periodic audio tag. 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. Plans include $9.99 a month, $59 a year, or a 99.00 USD one-time lifetime license.