Please check updated version of Saponify https://play.google.com/store/apps/details?id=app.saponify.calculator

Saponify - is the easiest way to create and use your soap recipes. Whether you’re begginer or mature soapmaker, Saponify is here to help you calculate your soap recipes.

Pros:
* 70+ most popular oils
* Options for liquid(KoH) or hard(NaOH) soap
* Superfat calculation
* Many water calculation options(water % of oils, water % of lye, water : lye ratio)
* Recalculating soap recipe for new total weight
* Any measurement unit for your taste: grams, ounces, pounds
* Integration with Dropbox to save recipes
* Working offline
* Free

Cons:
* We are not perfect - so we need your help most. Tell us what you like and what you don't. Tell us your ideas and we will embody it to life.

So we are looking forward to make it best lye calculator app.

*This application uses Google Analytics to anonymously track usage data within the application.