// Link · 28 May 2026

Outdo Earns a 67 Proof of Usefulness Score by Building a Real-Time Competitive Productivity App

Outdo is a gamified productivity app where friends compete on live leaderboards by completing real-world tasks. Built with React, Firebase, and Claude AI, the app combines social accountability with competition to make productivity more engaging. After launching in May 2026, Outdo reached 130 users...

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