Soap Calculator: Lye & Recipe
iOS app by Panda Taps LLC. Lifestyle · Panda Taps LLC
- Store rating
- 4 / 5
- Store rating count
- 8
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.7
- Listing last refreshed
- 2026-09-11
View the original store listing
Store description excerpt
Soap Calculator: Lye & Recipe is the lye and soap calculator built for handmade soap makers - cold-process, hot-process, melt-and-pour, and liquid soap. Type your oil blend, batch size, water and superfat percentages, and the app returns the exact lye weight (NaOH for solid bars, KOH for liquid soap), a water weight, a saponification check, predicted bar properties, and a full fatty-acid profile - before you ever pour. THE CALCULATOR - 200 oils, each with a verified saponification value, fatty-acid breakdown, and INCI saponified name - NaOH and KOH - solid bars or liquid soap - Superfat 0 to 15 percent, water at any percentage of oil weight - Predicted bar properties: hardness, cleansing, conditioning, bubbly and creamy lather, plus iodine and INS - A fatty-acid blend ribbon that shifts in real time as you adjust the recipe SAFETY FIRST Lye is caustic. Every screen that shows a lye number frames it as a safety calculation - the hazard, the protective equipment, the safe-handling sequence - in a dedicated safety-red callout. LABELS THAT SELL - FDA-style INCI ingredient labels - Avery 5160 print sheets - 30 labels per page - Lot numbers and manufacture dates on every label - Export as PDF, ready for the printer BATCHES AND CURE TRACKING - Save unlimited recipes and batches with notes and photos - A cure timer that lives in the Dynamic Island and on your Lock Screen - Home Screen widgets for your active batch - A notification the morning a batch is ready ON-DEVICE AI The optional AI label copywriter uses Apple's on-device models - your recipes and notes never leave your iPhone. PRIVACY BY DESIGN No accounts. No backend. No analytics. No tracking. No ads. A Privacy Manifest declares zero data collection - everything lives on your device. Privacy Policy: https://pandataps.com/legal/trace-privacy.html Terms of Use: https://pandataps.com/legal/trace-terms.html
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