SoapDIY APP is a good helper of your handmade soap. This APP can save your recipes. The INS, NaOH, KOH, water, and cost will be automatically calculated and warning alerts can be turn on or off. You can adjust the formula for calculating the weight of water for each soap. The default database has many oils and essential oil, and can be modified or added on its own.
If you have any questions and suggestions please mail to tacor0401@gmail.com