Stamp Mind

Problem

Existing productivity apps treat task management and self-awareness as separate problems. Users need a single tool that tracks what they're working on and helps them reflect on how they spend their time.

My Role

I owned the entire product lifecycle solo — user research, waitlist management, pilot testing, and building across three platforms.

Process

• Conducted user interviews and surveys to validate the problem space and understand how people currently track their time and goals.
• Built a landing page and collected ~100 waitlist signups before writing a single line of product code — validating demand first.
• Recruited 5 pilot users from the waitlist and ran hands-on testing sessions, iterating on the core experience based on real usage patterns.
• Built the mobile app with Flutter/Dart for cross-platform task and goal management with a clean, friction-free daily interface.
• Developed a native desktop activity tracker (C++/Swift) that reads window metadata to automatically log what users work on.
• Connected desktop tracking to the mobile app for unified productivity insights across devices.

Outcome

Validated product-market fit through user research before building. Shipped a working cross-platform tool spanning mobile (Flutter), desktop (native C++/Swift), and web (Next.js). Pilot users reported the daily tracking flow took under 30 seconds.

What I Learned

I kept adding features to make the product stand out — desktop tracking, cross-device sync, analytics dashboards. But pilot users told me they just wanted the core daily flow to be fast and simple. I ended up removing most of what I'd built and keeping only the main experience. Shipping less was the harder and better decision.