Birrapps, developed by CreativeWay, is a free Android app designed to simplify the beer production process for homebrewers. The app offers several features to help homebrewers make the process much easier. With Birrapps, users can correct the hydrometer reading according to the wort temperature. The app also calculates the water needed for each step of the process, including the bitterness (IBU) according to the hops added at different times of the wort boiling. Additionally, it helps to calculate the amount of salts/minerals required for modifying your water profile to match different beer styles.

Overall, the app is user-friendly and easy to use, designed by homebrewers for the homebrewers. Birrapps is an excellent tool for anyone looking to make their home beer brewing process more efficient, and it is completely free to use.