Fermentation Buddy

Rotwell Studio

In-app purchases

About this app

Fermentation Buddy – Track Batches, Tanks & Cellar Workflow

Fermentation Buddy is the all-in-one app for managing cider, wine, mead, kombucha, and beer production. Built for both home fermenters and commercial cellar teams, it combines batch tracking, tank management, inventory control, and precision brewing tools in one intuitive system.

Whether you're fermenting one demijohn or running a full cellar, Fermentation Buddy keeps everything organised, accurate, and always up to date.

Track Every Fermentation With Precision

• Create detailed records for each batch
• Log OG, FG, ABV, pH, TA, YAN, SO₂, temperature, and notes
• Record yeast strains, nutrients, additions, transfers, and top-ups
• View a full timeline of every action, adjustment, and reading
• Automatic ABV and °Bx calculations
• Update readings anytime to monitor progress

Tank Management & Cleaning Logs

• Track tank status: Clean, Dirty, or In Use
• Link batches directly to tanks for accurate cellar visibility
• Log cleaning cycles, products used, operators, and timestamps
• Automatically mark tanks as Dirty or Clean based on workflow
• Perfect for hygiene compliance and audit trails

Inventory & Equipment Tracking

• Track ingredients, additives, chemicals, and packaging
• Log quantities, batch numbers, and usage
• Manage tanks and vessels from your inventory
• Import or export everything with CSV files for backup or reporting

Built-In Calculators & Cellar Tools

• ABV Calculator – from OG & FG
• Sugar Addition Tool – reach target gravity or sweetness
• SO₂ Calculator – powders, tablets, or liquid solutions
• Acid Adjustment Tool – tartaric, malic, citric
• Blending Calculator – combine multiple batches with precise chemistry prediction

These tools are designed around real cider-making and winemaking workflows for fast, reliable decision-making.

Why Fermentation Buddy?

• Combines batch, tank, cleaning, and inventory management in one app
• Designed by fermentation professionals with real cellar experience
• Works offline with optional cloud sync for backup and team collaboration
• No ads, no clutter — fast, clean, and built for daily use
• Ideal for beginners, home brewers, craft producers, and commercial cellars

Your Cellar, Organised. Your Fermentation, Under Control.

Fermentation Buddy helps you stay consistent, organised, and efficient — from pressing and primary fermentation through to conditioning, aging, and packaging.

Fermentation Buddy — the smarter way to run your fermentation workflow.

What’s new

Bug Fixes