Equaliser

• Interactive 10-band graphic equaliser (31 Hz–16 kHz)
• 22 built-in presets for all types of music and tastes
• Drag-to-adjust chart for custom curves
• 0.5 dB snap grid for precise adjustments
• ±12 dB gain range with automatic clipping prevention

Audiogram

• Enter hearing thresholds for 8 standard freqs (250 Hz–8 kHz)
• Copy and paste audiogram data as TSV, CSV, or XML
• More precise data can be copied from iOS Health app export.xml
• Gains calculated using the audiology-grade processing
• Adjustable compensation strength: full, medium, or low
• Visual EQ curve shows exactly how your audio will be adjusted

Per-App Control

• See every app currently producing audio
• Toggle EQ and compression on or off per app
• Assign a different EQ curve to individual apps
• Overrides persist even when the app isn’t running
• Visual indicators show which apps have custom settings
• Right-click to reset any app back to global defaults

Output Devices

• Bypass EQ for specific output devices
• Automatically adapts when you switch audio output
• Tracks bypassed devices across connect/disconnect cycles

Dynamic Range Compression

• Two-way compressor: boosts quiet and reduces loud
• Brickwall limiter at -1 dBFS prevents digital clipping
• Enable globally or per-app

Menu Bar

• Menubar-only app—no dock icon, no window clutter
• Ear icon fills when processing is active, outlines when bypassed
• One click to toggle processing on or off
• Quick access to settings for the frontmost audio app
• Launch at Login

Real-Time Processing

• Individual audio taps for every application producing sound
• Lock-free, allocation-free audio callback for glitch-free playback
• Smart process filtering excludes system daemons and services
• Identifies audio from browser tabs and sub-processes

Optimised

• Less than 1 MB app file size
• Less than 30 MB base memory footprint

How It Compares

Here’s how this app compares to other similar apps.