Termokot is a free Android app developed by Andrey Galkin that measures the temperature of heated metal based on its color. This app is a useful tool for blacksmiths, metalworkers, and anyone who needs to heat treat metal.

The app uses a color chart to determine the temperature of the metal. The user selects the color of the metal, and the app provides the corresponding temperature. The color chart is easy to use and provides accurate results. The app also includes a timer and a notes section, making it easy to keep track of the metal's temperature and progress.

Overall, Termokot is a simple and effective tool for anyone who works with heated metal. It provides accurate temperature readings based on color and includes useful features like a timer and notes section. Best of all, it's free to download and use.