Kalkulator Waris is a free Android app developed by Toha Kepriben. This app falls under the Education & Reference category and offers a comprehensive calculator for inheritance distribution. The app includes four cases for inheritance calculation, including Jadd Ikhwah, Akdariyah, Ghorowain, and Musytarokah. In addition to the calculator, the app also provides complete material about the science of inheritance along with a guide for calculating inheritance. There is a quiz section called Tebak Siham that helps users practice their ability to determine the siham waris. The app is free to use and does not display any ads. It’s developed by a student of the Ponpes Salaf.