Best Soap Lye Calculator Apps

246+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated September 2026

Soap Lye Calculator is the household name in soap lye calculator, but it's far from the only option. We track 246+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Soap Lye Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Soap Lye Calculator - TraceSoap Lye Calculator - TraceFreeNoYesAug 2026
2Soapmaking Friend – Soap CalcSoapmaking Friend – Soap CalcFree4.6★ (86)YesYesAug 2026
3Simple SoapCalc – Soap CalcSimple SoapCalc – Soap CalcFree4.8★ (12)NoYesAug 2026
4Handmade Soap CalculatorHandmade Soap Calculator$2.993.0★ (1)YesNoJul 2026
5Soap Recipe & Lye CalculatorSoap Recipe & Lye CalculatorFreeNoYesSep 2026
6SoapCraft: Soap CalculatorSoapCraft: Soap CalculatorFreeNoYesAug 2026
7Soap Calculator - Lye & INSSoap Calculator - Lye & INSFree was $2.994.5★ (2)NoYesSep 2026
8Trace: Soap & Lye CalculatorTrace: Soap & Lye CalculatorFreeNoYesAug 2026

Top Picks for Soap Lye Calculator

Soapmaking Friend – Soap Calc#2

Soapmaking Friend – Soap Calc by Brewer's Friend

Soap & lye calculator
Strong Contender
🌟 Lifestyle
4.6(86 ratings)
FreeAdsIn-App Purchases
Soapmaking Friend – Soap Calc screenshot 1
Soapmaking Friend – Soap Calc screenshot 2
Soapmaking Friend – Soap Calc screenshot 3
Soapmaking Friend – Soap Calc screenshot 4
Soapmaking Friend – Soap Calc screenshot 5
Soapmaking Friend – Soap Calc screenshot 6

This app is a comprehensive toolkit for soap makers, offering advanced calculators for lye and soap recipes. It helps manage inventory, track batch production with cost analysis, and provides access to a community recipe database and forum for support.

Simple SoapCalc – Soap Calc#3

Simple SoapCalc – Soap Calc by James Hogans

Soap & Lye Calculator
Worth Considering
🔧 Utilities
4.8(12 ratings)
FreeIn-App Purchases
Simple SoapCalc – Soap Calc screenshot 1
Simple SoapCalc – Soap Calc screenshot 2
Simple SoapCalc – Soap Calc screenshot 3
Simple SoapCalc – Soap Calc screenshot 4
Simple SoapCalc – Soap Calc screenshot 5
Simple SoapCalc – Soap Calc screenshot 6

This app helps soap makers calculate precise lye and water amounts for various soap recipes. It can import recipes from images, suggest oil blend refinements, and guide users through the soap-making process with a step-by-step checklist. It aims to simplify and clarify the soap-making experience.

More Soap Lye Calculator apps to explore

FAQ about Soap Lye Calculator

Are there free soap lye calculator apps for iPhone?
Yes — 17 of the top soap lye calculator apps we rank are free to download, including Soap Lye Calculator - Trace and Soapmaking Friend – Soap Calc.
Soap Lye Calculator - Trace has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 246+ soap lye calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

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