I’ve been fed up with the GotMead calculator not working for ages, so I’ve attempted to make a more modern React app that will work well on laptop and phone
This is the first React app I’ve made and Gemini has done much of the heavy lifting.
Features:
20/12/2025
- Can save recipes to both a private Cellar and to a public Library
[to fix] - Tracking of active ferments with Stage and SG readings - Keeps a log
- List of Yeasts with tolerances and flavour
- List of many Fruits
- Calculates Nutrients - Now fixed as of 23/12/25
- Calculates current ABV%
- Set OG of a brew at start of Active Brew instead of just calculated SG.
New as of 21/12/2025
- New: Archive an active brew and minimise it’s card
- New: Saved state when context switching
- New: Share a recipe as markdown: Working proof
- New: Honey floral source with flavour taste, grouped by region
- Free text field for unlisted honey
- Extended honey list
- New: Builder tab that doesn’t have a target ABV but calculates it
- New: Botanical additions
- New: Search recipes in personal Cellar and global Library
- Public Library logic revisited
- “Save to Cellar” from public Library
- “Save to Library” from Cellar to Library
- Cascade delete from Cellar to Library for owned recipes
- Enhanced Publishing Security, only logged in users can publish to Library
- Starting a public recipe will copy it your cellar
- Fixed security issues with deleting global recipes
- Added Admin deletes
- Saved recipes save the user displayName, uses just the first name for privacy
- Fixed some security issues to get profiles working
- Fixed issue with anonymous users not reading public Library (working profile logging in broke this)
- Fix trying to log in twice from two anonymous accounts into the same google account
- Fix displayName (only use first name from returned google profile)
- Clean up unit conversions in all views
- New: Confirm deletes
- New: Collapsible / Expandable cards
- New: Target OG, FG and ABV on the active cards
- New: Add expected FG based on yeast and OG in builder
- Adjust ABV based on yeast and expected FG
- Add sweetness to recipe
New as of 20/12/2025
- Chart of SG and ABV in Log
- Fixed more layout issues
- Public Library cards have a unique URL for sharing
- Added instructions page
- Filter Cellar and Library lists/cards
- Clone from Library to designer
- Recipe & Batch Editing
- Add star rating to recipes
New as of 26/12/2025
- Back sweetening calculator
- Font size fixes
- Brew Day checklist
- Bottling & Aging subsection
- Tooltips
- Mobile: fix number entry
Add comments to Library recipes
New as of 29/12/2025
- Progressive Web App - it will ‘install’ and load like a native app on iOS/Android
- refactored the menu
- bottom menu on mobile
- collapsed side menu on tablet
- expanded side menu on desktop/laptop
- Comments on public recipes
- Inc. threaded comments
- Full instruction block when creating a recipe
- Share of an active batch to the library
- Split the library into Becipes and Batches
- Advanced Sorting
ToDo:
Get profile working to save between devicesGeneral tidy upDropdown list highlights
Real domain namehttps://goldendrop.blueether.net/ is now liveShare a public recipeWorking proofTweak recipe at the start of brewStarting a brew from public Library copies it into your personal CellarFix font sizes on some elementsTweak widescreen layoutFix public LibraryNew: Builder tab that doesn’t have a target ABV but calculates itNew: Target OG and ABV on the active cardsNew: Botanical additionsNew: Honey floral source (and taste?)New: Search recipes in personal Cellar and global LibraryNew: Add expected FG based on yeast and OGAdjust ABV based on yeast and expected FGAdd sweetness to recipe
Mobile: fix number entryAdd comments to Library recipes- Yeast Starter
- Better Onboarding
contextual tooltipsa “Welcome” modalan info modal available- if “Private Cellar” and “Active Batches” are empty display a prompt/hints
- Water Chemistry Adjustments
- Detailed Cost Tracking
Collapsible menu
Main screen on mobile.

Main screen on laptop:

Cellar & Library.

Active brew (medium screen width).


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It looks really nice on mobile !
Thanks, I like the mobile view better that the full screen and I need to do some tweaking on that front
Just publishing new version with the “New” features"
- New: Archive an active brew and minimise it’s card
- New: Saved state when context switching
- New: Share a recipe as markdown: Working proof
- New: Honey floral source with flavour taste, grouped by region
- Free text field for unlisted honey
- New: Builder tab that doesn’t have a target ABV but calculates it
Lots of updates:
- New: Botanical additions
- New: Search recipes in personal Cellar and global Library
- Public Library logic revisited
- “Save to Cellar” from public Library
- “Save to Library” from Cellar to Library
- Cascade delete from Cellar to Library for owned recipes
- Enhanced Publishing Security, only logged in users can publish to Library
- Starting a public recipe will copy it your cellar
- Fixed security issues with deleting global recipes
- Added Admin deletes
- Saved recipes save the user displayName, uses just the first name for privacy
- Fixed some issues to get profiles working
- Fixed issue with anonymous users not reading public Library (working profile logging in broke this)
- Fix trying to log in twice from two anonymous accounts into the same google account
- Fix displayName (only use first name from returned google profile)
- Clean up unit conversions in all views
- New: Confirm deletes
- New: Collapsible / Expandable cards
- New: Target OG, FG and ABV on the active cards
- New: Chart of SG and ABV in Brew Log
Brew Log:

Global Library:




