Homebrew Calculator: Brew Day
Gravity, ABV & Multi-Timers
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Build unlimited recipes, fix off-target gravity and track every brew-day step with measurements, multiple timers and an exportable batch log.
Fix off-target gravity, build unlimited homebrew recipes, run multiple brew timers and track every batch from prep to package — entirely offline.
BUILD UNLIMITED RECIPES
Create as many beer recipes as you like. Record batch targets, fermentables, hops, yeast, other ingredients, notes and an ordered brew-day plan. Duplicate a recipe when you want to iterate without losing the original.
TRACK THE COMPLETE BREW DAY
Start a batch directly from a recipe and work through every step from preparation, mash and boil to chilling, fermentation and packaging. Each batch keeps its own recipe snapshot, completed steps, timestamps, measurements, timers, calculations and notes.
FIX GRAVITY BEFORE IT COSTS THE BATCH
Turn an off-target reading into a clear action. Calculate dilution and gravity adjustments, hydrometer temperature correction, fermented refractometer correction, Brix/SG conversion, strike-water temperature and estimated ABV.
TIMERS THAT STAY WITH YOU
Run multiple named timers, schedule hop additions by boil time remaining, receive local notifications and follow the next action with Live Activities on the Lock Screen.
KEEP A USEFUL BREW LOG
Review previous batches, measurements and completed steps in your journal. Brew a batch again from an existing plan, or export a complete summary and CSV.
YOUR FIRST TRACKED BREW IS FREE
Recipes are always unlimited. Try one complete tracked brew session without starting a subscription. Brew Day Pro Lifetime is a one-time purchase; Brew Day Pro Monthly unlocks the same unlimited tracked sessions while active.
LOCAL BY DESIGN
No app account, advertising or analytics SDK. Your recipes and brew records stay on your device unless you choose to export or share them.
SUBSCRIPTION INFORMATION
Monthly automatically renews each month until canceled in your Apple Account subscription settings. The purchase screen shows your localized price before confirmation. The free brew is an app allowance, not a subscription trial, and never automatically becomes paid. Lifetime is a separate one-time purchase; buying Lifetime does not cancel an existing Monthly subscription.
Calculations are estimates and do not establish that fermentation is complete or that a batch is safe to consume.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Build unlimited recipes and turn each one into a complete brew-day plan. Track preparation, mash, boil, chilling, fermentation and packaging with step timestamps, measurements, multiple timers, calculations and notes. Each batch now preserves its own recipe snapshot, and older Brew Day data continues to work.
The developer, 嘉莉 梁, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 嘉莉 梁
- Size
- 3.1 MB
- Category
- Food & Drink
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
18+
- 18+
- Frequent
Alcohol, Tobacco, Drug Use or References
- In-App Purchases
Yes
- Brew Day Pro Monthly $1.99
- Brew Day Pro Lifetime $9.99
- Copyright
- © 2026 Jiali Liang