Trace: Soap Calculator is an iOS app for cold-process soapmakers, providing a chemistry-cited calculator for oils, lye, water, and additives. It includes SAP values, dual-lye blends, fragrance caps, and detailed source references, helping users create safe, reliable soap recipes.
Trace is a Lifestyle & Personal product. It enables soapmakers to accurately calculate and document cold-process soap recipes with chemistry-backed references. It is built as a consumer product for soapmakers and DIY chemistry enthusiasts. Trace is a paid product starting at $7. The product ships for iOS.
It is developed by Roman Kopaliani (United States), and the product first shipped in 2026. PulseGate's similarity index finds few close equivalents — Trace occupies a relatively distinct niche. Key capabilities include soap recipe calculator, cited chemistry sources, and Oil SAP values.
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Trace: Soap Calculator discovered by the PulseGate indexer
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