Dial Your Shot is a free toolkit for coffee lovers: fix a sour or bitter shot in real time, train your palate with a barista game, and learn the science of extraction - no fluff, no paywall.
100% free · No account required · Works with any espresso machine
Four ways to level up your coffee - from fixing today's shot to understanding the theory behind tomorrow's.
Set your dose, yield, grind, time and temperature, describe how the shot tastes, and get concrete corrections: what to change and why.
No account needed Open the tool →Diagnose virtual shots, race the clock, and climb the leaderboard. A fun way to train the instincts a barista builds over years.
Free account Play the game →Clear, science-backed articles on extraction, grind size, brew ratios, pressure and more - written for curious coffee people, not chemists.
No account needed Start reading →Honest picks for grinders, machines and accessories at every budget, chosen for people who care about what ends up in the cup.
No account needed Browse the gear →The dialing tool turns taste into action. No spreadsheets, no guesswork.
Dose, yield, extraction time, grind setting, temperature - and pressure, pre-infusion, roast level and bean freshness if you want to go deep.
Sour, bitter, watery, harsh, hollow? Pick the flavor descriptors that match your shot and how intense they are.
Get a prioritized plan - grind finer, lower the temperature, adjust the ratio - with the reasoning behind every suggestion.
Everything essential works without an account. A free Google sign-in unlocks the competitive and personal features.
Just open the tool and start brewing.
One-click Google sign-in. We only ask for your email - nothing else.
Yes - the dialing tool, the game, and every blog article are completely free. There is no premium tier and no paywall. The gear page contains affiliate links, which help support the project at no extra cost to you.
No. The espresso dialing tool, the Coffee Theory blog and the gear recommendations work without any account. A free Google sign-in is only needed for the game, leaderboards and saved presets.
Dialing in is the process of adjusting your grind size, dose, yield and other variables until a coffee tastes its best. Every bean is different, so every bag needs a little tuning - that's exactly what this app helps you do faster.
Yes. The tool is machine-agnostic - it works whether you pull shots on a manual lever, a home semi-automatic, or a commercial machine. If you can measure your dose, yield and time, you can dial in with it.
Absolutely - the whole app is designed mobile-first, so you can keep it open next to your machine. You can also install it to your home screen and use it like a native app.
Dial It In shows you virtual shots with realistic symptoms - your job is to diagnose what went wrong and fix the recipe. You earn points for speed and accuracy, and compete with other players on the leaderboard.
Open the dialing tool, describe what you're tasting, and let it guide your next adjustment. No sign-up, no cost - just better espresso.