Best Soap Calculator Apps

246+ iOS apps curated and reviewed

4.3 avg rating
17 free apps
Updated October 2026

Out of 246+ soap calculator apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Soap Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Soapmaking Friend – Soap CalcSoapmaking Friend – Soap CalcFree4.6★ (86)YesYesOct 2026
2Simple SoapCalc – Soap CalcSimple SoapCalc – Soap CalcFree4.5★ (15)NoYesOct 2026
3Soap Calculator: Lye & RecipeSoap Calculator: Lye & RecipeFree4.2★ (10)NoYesOct 2026
4SoapCraft: Soap CalculatorSoapCraft: Soap CalculatorFree5.0★ (1)NoYesSep 2026
5Soap Recipe & Lye CalculatorSoap Recipe & Lye CalculatorFree—NoYesOct 2026
6Soaper - Soap CalculatorSoaper - Soap CalculatorFree5.0★ (4)YesYesOct 2026
7Handmade Soap Calculator LiteHandmade Soap Calculator LiteFree2.3★ (6)YesYesAug 2026
8Lye & Loaf: Soap CalculatorLye & Loaf: Soap CalculatorFree—NoYesSep 2026

Top Picks for Soap Calculator

Simple SoapCalc – Soap Calc#2

Simple SoapCalc – Soap Calc by James Hogans

Soap & Lye Calculator
Strong Contender
🔧 Utilities
4.5(15 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.

Soap Calculator: Lye & Recipe#3

Soap Calculator: Lye & Recipe by Panda Taps LLC

Saponification & Cure Tracker
Worth Considering
🌟 Lifestyle
4.2(10 ratings)
FreeIn-App Purchases
Soap Calculator: Lye & Recipe screenshot 1
Soap Calculator: Lye & Recipe screenshot 2
Soap Calculator: Lye & Recipe screenshot 3
Soap Calculator: Lye & Recipe screenshot 4
Soap Calculator: Lye & Recipe screenshot 5
Soap Calculator: Lye & Recipe screenshot 6

This app helps handmade soap makers calculate precise lye and water weights for various soap types. It provides detailed fatty-acid profiles, predicted bar properties, and generates FDA-style ingredient labels. It also includes batch tracking and a cure timer with lock screen widgets.

More Soap Calculator apps to explore

FAQ about Soap Calculator

What are the best soap calculator apps for iPhone?
Soapmaking Friend – Soap Calc tops our soap calculator apps ranking as of October 2026, with a 4.6-star average from 86 App Store ratings, and it's free to download.
Yes — 17 of the top soap calculator apps we rank are free to download, including Soapmaking Friend – Soap Calc and Simple SoapCalc – Soap Calc.
Soapmaking Friend – Soap Calc shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 246+ soap calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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