Coffee Roasting RDT Timer is a lifestyle app designed for iPhone users. This application serves as a comprehensive tool for coffee roasting enthusiasts. It includes a timer feature that helps users track their roasting process effectively. The app allows users to initiate the timer at the beginning of the roast and provides specific markers like the "first crack" to guide users through the process.

Moreover, Coffee Roasting RDT Timer offers a unique Roast Development Time (RDT) percentage feature, aiding users in determining the optimal roast levels. The app displays recommended stop times for roast percentages ranging from 16% to 26%. Additionally, users can calculate the percentage weight loss by inputting the initial and final weights, enhancing their roasting experience.