SOFTWARE EVOLUTION / macOS

Instant Mastering

Give your tracks the polish they need.

Mastering in three modes: V1 Fast, V3-QA and V4-AI. Analyze and listen for free; a one-time PRO purchase unlocks export.

See how it works
The cassette window, before the first track

01 Quality analysis

Five ways to understand the sound.

See at a glance where the track stands, before mastering.

Score · Warmth · Clarity · Dynamics · Space

A 78 score and the track’s spectrogram

02 Three mastering modes

Choose how to make the master.

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 sound first.

All three modes run on-device

Another track, rated 71

03 Before & After

Compare with the original track.

Listen to the original and the mastered track before you decide.

Laptop 80%, PA system 97%

04 Stereo & Export

Listen. Then export.

WAV 24-bit · M4A

The green cassette, with its two round meters

YOUR NEXT STEP

Try it on
your latest mix.

Full product details

The app works offline too. You only need the internet to buy PRO or restore it through Apple.

All features

What each mode gives you

⚡ V1 Fast — Quick & Direct

Ideal when you trust the mix and want a clean result fast.

🎯 V3-QA — Analyzer-Driven

Mastering is tuned to your specific track, not to a fixed preset.

🧠 V4-AI — Sorinel-Assisted

The deepest, most detailed result.

Sorinel and the mastering engine are proprietary technologies developed by Software Evolution.

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 — sub, 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 discreetly, 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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