Challenge
Most quit tools punish a single slip by wiping progress, which pushes people to abandon the plan entirely.
Back to work
Founder-built products, demos, and prototypes by Marshall Buchner / MDB Labs. Labels reflect accurate status — not client endorsements unless explicitly stated. Founder-built product by Marshall Buchner / MDB Labs. Not medical advice or a clinical treatment program.
Founder-built productApp & softwareHealth & wellnessFounder-built product
QuitCurve
A personalized step-down plan for quitting vaping — progress adapts after slips so you keep momentum instead of resetting to day one.
Founder-built product by Marshall Buchner / MDB Labs. Not medical advice or a clinical treatment program.
Approach
Designed an adaptive taper experience with craving logging, streak and savings tracking, and copy that stays private and shame-free.
Outcome
A live founder-built product at quitcurve.app, free during beta.
Highlights
- Adaptive step-down quit plans
- Craving logging and money-saved tracking
- Live public beta product