SOFTWARE EVOLUTION / macOS

Instant Mastering

Give your mix its finishing touch.

On-device audio mastering with three modes: V1 Fast, V3-QA and V4-AI. Analyze and listen for free; a one-time PRO purchase unlocks WAV and M4A export.

Explore the app
Instant Mastering Interface

01 Quality analysis

Five ways to understand the source.

Review Score, Warmth, Clarity, Dynamics and Space before mastering. Analysis and playback are available before you unlock PRO export.

Score · Warmth · Clarity · Dynamics · Space

Instant Mastering quality analysis

02 Three mastering modes

Choose how to process the track.

V1 Fast offers a direct pass. V3-QA uses the analyzer to build a per-track plan. V4-AI uses Sorinel on the Apple Neural Engine to prepare the source before mastering.

All three modes run on-device

Instant Mastering workspace

03 Before & After

Compare with the source.

Listen to the original and the mastered track before deciding on the result. Audio processing stays local on your Mac.

Local analysis and playback

Instant Mastering before and after comparison

04 Stereo & Export

Inspect it. Then export it.

Use the vectorscope to inspect the stereo image. A one-time PRO purchase unlocks export to WAV 24-bit or M4A.

WAV 24-bit · M4A

Vectorscope

YOUR NEXT STEP

Make it part of
your workflow.

Full product details

The simplest way to master your music. Drop your song, get instant Quality analysis with five key metrics — Score, Warmth, Clarity, Dynamics and Space — then choose one of three on-device mastering modes and export your master in WAV (24-bit) or M4A. Analyze, visualize and play back, then unlock export with a one-time PRO purchase — not a subscription. Audio processing runs locally on your Mac and works offline; internet is used only for Apple purchase and restore services. No subscription.

All features

Three Mastering Modes, One App

Pick the mode that fits the track. All three run on-device. No cloud, no upload, no waiting.

⚡ V1 Fast — Quick & Direct

The fastest path from drop to mastered. Ideal when you trust the source mix and want a clean, pro-level result with no extra steps.

🎯 V3-QA — Analyzer-Driven

The Quality Analyzer reads the source first and builds a per-track plan. Mastering is then tuned to that specific song, not to a fixed preset.

🧠 V4-AI — Sorinel-Assisted

Our proprietary Sorinel AI runs on the Apple Neural Engine to prepare the source before mastering. The deepest, most detailed result.

Sorinel and the mastering engine are proprietary technologies developed by Software Evolution. All processing runs locally — no audio ever leaves your Mac.

The story behind the app

LR4 SO/40: The Heart of Instant Mastering

LR4 SO/40 is the limiter that lies at the foundation of Instant Mastering. It wasn't created out of commercial necessity, but from curiosity and play: the desire to understand and recreate a modern, intelligent limiter capable of bringing a track to a professional level without destroying its identity.

The idea started from modern limiters, like those in Ozone, which "think" before applying limiting. We wanted something similar: a limiter that analyzes music before intervening, not one that brutally cuts peaks. 🧠

LR4 SO/40 works on four zones of sound — lows, bass, mids, and highs — treating each part exactly as much as needed. Tracks that already sound good are left untouched. Those that need help are corrected discretely, until they reach a pleasant and powerful balance.

The goal is not to destroy the dynamics or character of a track, but to make all music sound like it's from the same movie: the same volume level, the same impact, and the same clarity, regardless of source.

The process is more careful and more intense than in a regular limiter. That's why LR4 SO/40 masters one track at a time. It's a conscious choice: more analysis time means a better result. ⚡

LR4 SO/40 is not an aggressive limiter. It's a limiter that listens to music.

This is the story of Instant Mastering. ✨

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