Join a Sugar-Free Challenge

Your friend invited you. Open Colibri to start.

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Colibri

Quit sugar with friends.

You are not a colibri — you don't need sugar.

Daily sugar-free challenges, mood tracking, and a leaderboard that keeps you honest.

Download on App Store
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Challenge friends

7-day sprints, 30-day transforms, or custom challenges. Share a code, they join in seconds.

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Track every day

Log sugar-free days, mood, and notes. Watch your streak grow.

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Leaderboard pressure

See how you stack up against friends. Earn ranks from Fighter to Legend.