Soap Lye Calculator - Trace
iOS app by Karol Jaworski. Lifestyle · Karol Jaworski
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.40
- Listing last refreshed
- 2026-09-07
View the original store listing
Store description excerpt
Calculate lye, log every batch, and never lose a great soap recipe. Trace is the precision toolkit for cold process and hot process soapmakers. Whether you're crafting your first lye soap or refining a proven formula, Trace puts accurate calculations, a complete soap log, and organized recipes all in one place. LYE CALCULATOR - Calculate NaOH or KOH amounts for any oil blend - 40+ oils with accurate SAP values built in - Adjust superfat percentage and water-to-lye ratio - See predicted soap properties before you pour BATCH LOGGING - Log every cold process or hot process batch - Visual cure progress tracker with days remaining - Capture batch ratings, notes, and evaluations - Know exactly when each batch is ready to use RECIPE LIBRARY - Save and refine your custom soap formulas - See predicted soap properties for every soap recipe - Filter by status: testing, proven, or production - Access a curated starter collection CURE TRACKING - Automatic cure countdown for every batch - Ready badge when full cure time is complete - Visual progress rings showing cure percentage - Never sell or use under-cured soap again SOAP PROPERTIES - Predict hardness, cleansing, conditioning, and lather - Bubbly vs. creamy lather balance at a glance - Iodine and INS values for stability - Property bars for each recipe and batch TRACE PRO - UNLOCK YOUR FULL SOAP STUDIO Trace Pro gives serious soapmakers the complete toolkit: - Unlimited soap recipes and formulas - Unlimited entries in your soap log - All 7 soap property predictions - Full starter recipe library (30+ proven recipes) - Property prediction charts before you pour Free tier includes 5 saved recipes and 10 batch logs - perfect for getting started. Whether you make lye soap for personal use, for gifts, or to sell at farmers markets, Trace keeps your formulations precise, your soap log organized, and your best recipes saved forever. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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