MixMaster A/B

COMPARE AUDIO FILES LIKE A PRO
MixMaster A/B is the essential tool for anyone who needs to compare audio files with precision and confidence. Whether you're a music producer evaluating different mixes, an audio engineer comparing masters, or an audiophile testing file formats, MixMaster A/B gives you the tools to hear every difference.
INSTANT A/B SWITCHING
The heart of MixMaster A/B is its seamless switching between two audio files. Load your files, hit play, and toggle between A and B instantly—no interruption, no delay, perfectly synchronized. This is how professionals make critical listening decisions.
VISUAL FEEDBACK
• Waveform Visualization: See the amplitude and dynamics of both files at a glance
• Real-time Spectrum Analyzer: Watch the frequency content as your audio plays
• Side-by-side Comparison: Visual confirmation of what your ears are hearing
PRECISION PLAYBACK CONTROLS
• Loop Regions: Focus on specific sections that matter most
• Synchronized Playback: Both files stay perfectly in sync when switching
• Instant Toggle: Switch between A and B with a single tap
• Pause, Play, Repeat: Full control over your listening session
PERFECT FOR:
Music Producers
• Compare different mix versions
• Evaluate mastering changes
• Test compression and EQ settings
• Make confident final decisions
Audio Engineers
• Compare before/after processing
• Evaluate different mastering approaches
• Test format conversions
• Quality control checks
Audiophiles
• Compare file formats (MP3 vs. FLAC vs. WAV)
• Test different rips or sources
• Evaluate audio quality
• Settle debates with data
Content Creators
• Compare audio edits
• Test different export settings
• Evaluate noise reduction
• Choose the best take
WHY MIXMASTER A/B?
Traditional audio comparison means switching between apps, losing your place, and relying on memory. MixMaster A/B eliminates the guesswork with instant, synchronized switching and visual feedback. You'll hear differences you never noticed before.
SIMPLE, FOCUSED, POWERFUL
We built MixMaster A/B to do one thing exceptionally well: compare audio files. No bloated features, no complicated workflows—just load two files and start comparing. The interface is optimized for one-handed use in portrait mode, perfect for quick comparisons on the go.
SUPPORTED FORMATS
• MP3
• M4A / AAC
• WAV
• AIFF
• And other common audio formats
PRIVACY FIRST
• All processing happens on your device
• No audio files uploaded to servers
• Your audio stays private
FREE TO TRY
Load and compare two files for free. Five times. 10 total files. Need more? Watch a short ad to reload 10 more (over and over again if you'd like!), or unlock unlimited comparisons with a single one-time purchase—no subscription required.
PROFESSIONAL RESULTS, MOBILE CONVENIENCE
Whether you're in the studio, at home, or on the go, MixMaster A/B gives you professional-grade A/B comparison in your pocket. Make better decisions, hear more detail, and trust your ears.
Download MixMaster A/B today and discover what you've been missing.