BrewSmart
Coffee Calculator & Brew Timer
Free · In-App Purchases · Designed for iPad
Perfect your pour over, Chemex, or AeroPress ratio in seconds. Save favorites as recipes. Brew timer included. No ads or subscriptions. iPhone & Apple Watch.
BrewSmart is the fastest way to nail your coffee ratio. Adjust water, coffee, or ratio — the other two update instantly.
Perfect for pour over (V60, Chemex, Kalita), AeroPress, French press, moka pot, drip coffee, and espresso. Whether you're dialing in a new single-origin pour over or scaling up a batch brew, BrewSmart does the math in real time so you can focus on the craft.
FEATURES
Brew Calculator
Tap or swipe any value — water, coffee, or ratio — and the other two recalculate instantly. No keyboard. No guessing. Precise to 0.1 g.
Brew Timer
Count-up timer with start, pause, resume, and reset. Time your extraction without leaving the main screen.
Recipe Management
Save your favorite water, coffee, and ratio combinations as named recipes. Load any saved setup with a single tap. Rename or delete anytime.
Apple Watch App
Full-featured companion with real-time sync. Check your ratio and control the timer right from your wrist.
Clean & Focused
No ads. No subscriptions. Light and dark mode. Works in grams for precision. Optimized for iPhone and Apple Watch.
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Whether you're a home barista calibrating your V60 recipe or dialing in espresso shots, BrewSmart gives you instant, accurate coffee calculations with no clutter.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
• Portuguese (Brazil) localization — BrewSmart is now available in English, Japanese, and Portuguese
• Brew Timer — time your extraction with a count-up timer from the main screen
• Recipe Management — save, reload, rename, and delete named brew setups
The developer, KEN TOMINAGA, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- KEN TOMINAGA
- Size
- 2.2 MB
- Category
- Food & Drink
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later. - Apple Watch
Requires watchOS 11.0 or later.
- Languages
English and 2 more
- English, Japanese, Portuguese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Medium Tip $6.99
- Small Tip $2.99
- Large Tip $12.99
- Copyright
- © 2026, Ken Tominaga