Accept the challenge – reduce your impact!
Challenge Accepted! is a smartphone app that allows its users to challenge their friends to do good things.
It serves as a platform where everyone can upload sustainability-related challenges, set themselves goals and share their successes.
They focus on challenges that address the social and ecological aspects of sustainability. Challenge Accepted! provides an easy way to try out low-impact lifestyles with tips, scorekeeping and social activities. In addition to a more sustainable and healthy lifestyle, the value for our users lies in the interactive and informative solving of challenges and in the acknowledgement they receive from sharing their successes on social media.