SoapLab is an iPhone application developed by Jien Tsai Chan, designed to make the process of handmade soap making more scientific and efficient. With SoapLab, users can enjoy the fun of creating their own handmade soaps while following step-by-step instructions and utilizing various helpful features.

This educational and reference app provides instructions on the fundamentals of handmade soap making, including information about tools and ingredients. It also offers a recipe management feature, allowing users to easily share and import recipes using QR codes. Additionally, SoapLab includes a lye calculation tool for NaOH and KOH, considering different purities, states (solid or liquid), concentrations, and preferred weight units.

SoapLab offers a property chart for recipes and each oil used, enabling users to understand the ratio of saturated fat acid, monounsaturated fat acid, and polyunsaturated fat acid in their soap creations. The app includes over hundreds of oils and additives, with a favorite function for collecting preferred options. Users can also explore the effects and colors of additives to help design their recipes, with the ability to sort additives by color and add custom options.

The app provides instant conversion between temperature and weight units, ensuring accuracy in soap making. It also offers step-by-step guidance according to the chosen recipe, including a checklist to help newbies create successful soaps. Users can share their recipes with the community through professional reports that include photos, recipes, and property charts.

SoapLab even allows users to set cured notifications in their calendar and provides a cost analysis and report feature. With SoapLab, anyone can enjoy the fun and creativity of making handmade soap in a more scientific and efficient way.