iOS coffee brewing log

Log every brew, improve the next one.

BrewTinker brings guided brewing, bean tracking, A/B experiments, exports, widgets, local reminders, and optional cloud sync into one iOS app.

Guided brewsBean libraryA/B experimentsOptional sync

The app centers on Home, Brewing, Logs, and Settings, with a bean library and widgets that stay close to the daily coffee workflow.

Brew session Live

V60 Recipe

2:48

Stage 3
Water 240 g
Bloom 00:35

Bean

Ethiopia Washed

Day 9 · Light roast

Floral Citrus

Next action

Compare brew B

Keep grind size, change pulse timing, export both sessions after tasting.

Workflow

Home to export

Focus

Repeatable cups

Mode

Local-first by default

Core product

Built for the full brew loop

From the first pour to long-term iteration, BrewTinker keeps recipes, brew data, beans, devices, and privacy controls in one place.

Workspace 01

Quick brews, guided flows, and A/B tests

Move between quick brews, step-by-step recipe guidance, and side-by-side A/B comparisons with shared timers and stage cues.

Stage guide 03/05
Bloom 00:35
Main pour 01:30
Drawdown 02:48

Session notes

Sweet start, clearer acidity after a finer grind, better cup balance than last roast day test.
Library 02

Bean library and brew insights

Track origin, roast date, stock, freshness, price, and photos, then surface parameter suggestions from your highest-rated cups.

Colombia Pink Bourbon

Roast day + 8 · 140 g left

Peak window

Origin

Huila

Process

Washed

Rest

9 days

Compare 03

Detailed logs, exports, and widgets

Capture brew parameters, tasting notes, and six-dimension sensory scores, export single brews or batch history, and pin key stats to widgets.

Acidity8.7
Sweetness8.9
Body7.8
Stack 04

Devices, sync, and privacy controls

Connect supported Acaia, Timemore, and Inkbird devices. Stay local-only, or sign in for Firestore sync, Cloudflare R2 bean image storage, and in-app privacy controls.

Connected stack

Acaia Timemore Inkbird Optional sync
Local by default. Turn on cloud sync only when you want cross-device history and image backup.

Real app surfaces

Inside the app

Four core tabs plus widgets cover the main workflow.

From the app you already have

Home surfaces weekly stats and insights, Brewing handles guided sessions and A/B tests, Logs support review and export, and Settings keeps sync, devices, reminders, and privacy controls together.

01 · Home

Command Center

Live UI

Daily overview, bean inventory, streaks, and a weekly chart in one glance.

02 · Brew

Brew Station

Live UI

A focused live workspace for weight, temperature, timer, and progress.

03 · Logs

My Records

Live UI

Search, review, export, and compare real brew history instead of isolated notes.

No fake marketing mockups

The section now uses the actual structure of Home, Brew, and Log so the site feels connected to the product instead of a generic SaaS layout.

22:19

Command Center

Today's Overview

0

Cups

0g

Coffee

--

Streak

Total 1 cups · Avg OK

Coffee Beans

View All

3

Beans

+

Add Bean

Last 7 Days
Ratings
Home
Brewing
Logs
Settings
22:19 87%

Brew Station

Live Metrics

Coffee

-- g

Temp

-- °C

Time

00:00.0

Progress

0%

No Scale Connected

Add a Bluetooth scale in Settings, or brew manually without one.

Add Device

Current Bean

Switch

No Bean Selected

Select a coffee bean to track inventory and flavors.

Select Bean

Home
Brewing
Logs
Settings
22:19 87%
+

My Records

Search records

Brew Activity

1

Total Brews

OK

Avg Rating

Favorite Bean

Most returned profile this month

付费

Home
Brewing
Logs
Settings

Why it stays useful

Built for the full coffee loop

BrewTinker stays useful after the first setup: capture the brew, compare the result, and carry the learning forward.

Repeatability

01

Home brewers

Keep recipes, timers, notes, and repeatable parameters in one place instead of splitting them across screenshots and memory.

Recipe memoryRepeatable cups

Signal

02

Bean testing

Track freshness, compare side by side, and learn which changes actually improved the cup.

Bean insightsA/B compare

Practicality

03

Daily workflow

Widgets, exports, reminders, device support, and optional sync keep the app practical every day.

WidgetsExport ready

FAQ

Common Questions

This public site only describes capabilities that are verified in the app and supporting documentation.

Is BrewTinker local-first or cloud-only? +

BrewTinker works as a fully local app by default. Signing in and enabling sync is optional.

What devices can it connect to? +

The current supported device families are Acaia scales, Timemore scales, and Inkbird thermometers. Actual compatibility can still vary by model, firmware, and iOS environment.

What data is synced to the cloud? +

When sync is enabled, brew records, beans, recipes, and equipment sync through Firebase Firestore. Bean images can also be uploaded to Cloudflare R2 through a secure proxy.

Does BrewTinker collect analytics? +

Analytics is opt-in and off by default. Crash reporting is on by default but can be disabled at any time in Settings → Privacy.

What can I export? +

You can export individual brews as text, PDF, image, or JSON, and batch export brew history as CSV, JSON, or text.

What languages does the app support? +

BrewTinker currently supports English, Simplified Chinese, Japanese, Korean, and German.

Support

Still need something specific?

Contact support@brewtinker.com

Ready to brew

Build better brews from real sessions.

Track recipes, compare cups, and keep every adjustment connected to what you actually tasted.

iPhone workflow Light & dark ready Local-first

Product fit

Home that feels alive

Stats, beans, and streaks are visible before you open a brew session.

Product fit

Brew workspace first

Weight, temperature, timer, and progress stay centered instead of buried in menus.

Why the bottom area changed

Logs you can use later

Search, compare, export, and revisit decisions with real context attached.

Download on the App Store