Stop Guessing.
Start Comparing.

Professional A/B audio comparison tool for mixing engineers, mastering engineers, producers, and artists.

Free to use • One-time unlock available • No subscription

MixMaster A/B App Screenshot

Everything You Need to Make Better Mix Decisions

Real-Time A/B Switching

Toggle between two audio files instantly without losing your place. No stopping, no hunting, just pure comparison.

🔄

Synced Looping

Set loop points and compare the exact same section across both mixes. Perfect for detailed analysis of problem areas.

🎚️

Frequency Filtering

Isolate specific EQ ranges to focus on sub frequencies, bass, mids, or highs. Hear exactly what changed between your mixes.

📊

Spectrum Analyzer

Visualize your audio in real-time while you listen. See what you're hearing for confident decision-making.

🎨

Clean Interface

Dark, distraction-free design. Focus on the music, not the UI.

🎯

Professional Tools

Built by audio professionals, for audio professionals. Every feature serves your workflow.

Perfect For

Mixing Engineers

Compare different mix revisions and evaluate changes in real-time

Mastering Engineers

Check mastering versions and compare against reference tracks

Producers

A/B your productions against commercial references to train your ears

Artists

Make informed decisions about which mix version serves your vision

Fair, Simple Pricing

No subscription. No hidden fees. Just honest pricing.

Free

$0

Forever

  • All core features
  • One ad per 10 audio files
  • No time limits
  • No watermarks
Download Free

Built for Your Workflow

1

Load Two Files

Import two mixes, versions, or a mix and reference track

2

Set Your Loop

Define the section you want to compare in detail

3

Compare & Decide

Toggle A/B, filter frequencies, visualize spectrum

4

Make Better Mixes

Confidence in your decisions leads to better results

Start Making Better Mix Decisions Today

Download MixMaster A/B free on iOS. Unlock unlimited use anytime.

Download on the App Store