ReplacePlastic, developed by Küste gegen Plastik e.V., is a free Android application that seeks to support the development of biodegradable materials. Its main goal is to encourage manufacturers to change their packaging and start caring about environmentally friendly packaging when designing products. This app aims to be a catalyst for change, helping people to make their voices heard and contribute to a more sustainable world.

The app is simple to navigate, with a user-friendly interface that allows users to easily send messages to manufacturers. By using ReplacePlastic, users can voice their concerns and ask manufacturers to make a change. The app also provides users with information on environmentally friendly packaging and biodegradable materials, making it easy for them to make informed decisions about the products they buy.