Fermolog: Home Brewing App

Fermolog — Home Brewing App & Fermentation Log
Fermolog is the complete brewing app for homebrewers, winemakers, and mead makers. Whether you're tracking your first batch or managing dozens of fermentations, Fermolog keeps every detail organized in one clean, powerful fermentation app.
🍺 Brew Log & Batch Management
Log and manage all your batches in one place. Fermolog works as your personal brew log for beer, wine, mead, cider, and kombucha. Record every step from brew day to bottling, add notes and photos at each stage, and keep a complete archive of every batch you've ever made.
📊 Gravity Tracking & Fermentation Charts
Track original gravity, final gravity, and Brix readings with ease. Fermolog visualizes your fermentation progress with clear, timeline-based charts so you always know where your batch stands. Monitor alcohol development, fermentation speed, and stability — all in one place.
🧮 Brewing Calculator & ABV Tools
Built-in ABV calculator turns your OG and FG readings into accurate alcohol percentages instantly. The brewing calculator also handles Brix to SG conversion and supports both metric and imperial units — everything a serious homebrewer needs without switching between apps.
🧠 AI Brewing Assistant
Ask questions about your fermentation data and get intelligent answers based on your actual batch history. Fermolog's AI assistant helps you understand gravity readings, troubleshoot fermentation issues, and make better decisions at every stage of the brewing process.
⏰ Smart Reminders & Brew Tracker
Never miss a critical step. Fermolog works as your personal brew tracker with racking reminders, bottling alerts, and custom notifications for every batch transition. Your fermentation schedule, always under control.
☁️ Cloud Sync & Offline Support
Access your brew log from any device. Fermolog syncs automatically across all your devices and works fully offline — your data is always available, even in the cellar.
Perfect for:
Homebrewers · Home winemakers · Mead makers · Cider brewers · Kombucha makers · Fermentation students
Fermolog combines a powerful fermentation log, precise brewing calculator, and smart brew tracker in one app built for people who take their craft seriously.
Download Fermolog. Brew smarter.

Recent changes:
Added the TOSNA Nutrient Calculator to plan staggered nutrient additions for mead, with automatic reminders for each dose.
Added a Notes & Photos card to keep batch notes and photos together on the batch details screen.
Redesigned batch visibility settings with clearer status chips and explanations.
Clearer inline validation errors when entering ingredients, yeast, and nutrients.
Various bug fixes and stability improvements.