Quality takes time. One bean at a time.
Select your symptoms and brewing method to pinpoint exactly what needs to change.
Brewing Method
Roaster (optional)
Coffee (optional)
What do you taste?
Acidity / Under-Extracted
Bitterness / Over-Extracted
Strength
Diagnostic
←→or scroll to rotate
Tap a segment to diagnose
Inspired by the Coffee Compass by Barista Hustle
Pure coffee physics — no AI, no guesswork. The same model Barista Hustle uses to build their compass.
Select what you taste — sour, bitter, watery, heavy. Choose as many as apply.
Pour-over, espresso, AeroPress, French press — the engine tailors advice to your gear.
Instantly see your extraction position and method-specific corrective actions. No guessing.
