The Darwin Challenge app has been created for those of you who have one or more meat-free days a week. This life-giving app rewards you, by showing you how your meat-free days are improving your health and your world. Small acts, big impacts. How meat-free do you want to be? Simply select how many days you want to be meat-free. You can set reminders. When you succeed, use the app to record your meat-free days. See your benefits in real-time. The app tracks your progress, showing you the impact of your actions on your health, to others and to the planet. Invite your friends to join you. Invite your friends, family and colleagues to join you in the global movement. Track your collective efforts on our leaderboards.