Puck: Espresso Coach & Dial-In

For serious home baristas. Scan the coffee bag in front of you. Pull a recipe tuned to your machine and grinder. Time every extraction. Read every taste. A coffee bag scanner, recipe coach, and barista notes in one calm app made for the daily ritual.

SCAN YOUR BAG
Snap the front of the bag. Puck reads the roaster, the origin, the variety, the process, the tasting notes, and the roast date. No typing. No menus. No dropdowns. Whether it is a single origin from a small roaster or a blend from the shop down the street, the label tells Puck what it is and Puck remembers.

PULL YOUR SHOT
Get a starting recipe for that bag on your machine and your grinder. Dose, ratio, brew time, and water temperature. Built from the gear you actually own, not a generic 1:2 in 30 seconds template. If your machine does pre-infusion, Puck knows the range. If your grinder steps in clicks, Puck talks in clicks. If it is stepless, Puck talks in the units printed on your dial.

TIME EVERY EXTRACTION
A clean shot timer with a pre-infusion window when your machine supports it. Tap to start, tap to stop. Watch the pour, not the screen. Your last shot is one tap away when you sit down for the next one, so the rhythm of pulling, tasting, and adjusting feels continuous.

READ THE TASTE
Tell Puck how the shot tasted. Sour, bitter, balanced, hollow, syrupy, blonded, sharp at the finish. The next recipe is written from that one piece of feedback. Every pull teaches the next one. Over a week, you can watch a bag move from too coarse and sour to dialed-in and sweet without keeping a notebook.

KNOW WHEN THE BAG IS READY
Each bag gets a freshness window keyed to the roast date and roast profile. Puck shows you when the bag is resting, when it is peaking, and when it is fading. Plan your week around the beans, not the calendar. The bag tells you when it wants to be pulled.

YOUR COFFEE SHELF
Every bag stays on your shelf with its notes, its shots, and its taste log. Look back at what you pulled three weeks ago, what dose you landed on, what ratio worked, what the cup tasted like at the peak of its window. Build a memory of the beans you have lived with.

INSIDE PUCK
- Coffee bag scanner that reads the whole label in one snap
- Espresso recipes tuned to your machine and your grinder
- Shot timer with pre-infusion support
- Taste log on every pull, with notes that compound shot by shot
- Bag freshness and peak window, calculated per roast
- A quiet shelf of every bag you have brewed, with full history
- Shot history with dose, yield, ratio, time, and temperature on every pull

WHO IT IS FOR
Home baristas who care about the cup. Owners of single-boiler, dual-boiler, and lever espresso machines. Anyone with a grinder dialed by feel who wants the numbers behind the feel. People who keep more than one bag open at a time. The kind of barista who tastes a shot and adjusts the grind before reaching for sugar.

WHAT PUCK IS NOT
Not a generic coffee log. Not a recipe library you scroll through looking for one that matches. Not a checklist app dressed up as a brew tracker. Puck is a daily companion for the people who pull two or three shots before they leave the house and want every one of them to land.

PUCK PRO
Puck Pro unlocks unlimited bag scans, the full taste-tuned recipe coach, the full shot history, and the freshness and peak window for every bag. Subscriptions auto-renew at the price shown until cancelled in your Apple ID settings. A free trial converts to a paid subscription at the end of the trial period unless cancelled at least 24 hours before the trial ends.

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