Beeminder is a unique goal-tracking tool that combines habit tracking with financial incentives. Users set quantifiable goals and pledge money to stay on track. If they fail to meet their targets, they incur a financial penalty. This approach creates a strong incentive to achieve goals, leveraging the concept of commitment contracts. Beeminder supports a wide range of goals, from health and fitness to productivity and learning, and can integrate data from numerous apps and devices.

Beeminder visualizes progress with detailed graphs featuring a "Bright Red Line" that users must stay above to avoid penalties. This system helps users maintain focus and accountability. The app allows for both manual data entry and automatic data syncing from services like Fitbit, Duolingo, Habitica, and many others.