Hey Product Hunt 👋 I'm Phuong — a product designer from Vietnam. I built Dose Diary because of two people I love. My wife has kidney disease. She takes multiple medications daily, each with different cycles and timing that change every few months. I'm also managing my own hormone therapy. We tried every medication app out there — none of them handled real complexity. Not "every 3 days" schedules. Not the full history of every cycle change we've made over the years. That history matters more than people think — when your wife's Tacrolimus dose changes for the third time, you need to know exactly when, what, and why. So I built one. The feature I'm most proud of: point your camera at any prescription → the on-device AI reads the medication names, dosages, and schedule → creates your full regimen in 3 seconds. No internet. No account. No data leaves your phone. Ever. My wife is now on a 21-day streak. Zero missed doses. If you're managing medications for someone you love — or yourself — I made this for you. It's free. Always. Happy to answer any questions about the build, the tech, or the story behind it. 🙏