StackDay: Supplement Tracker

You buy supplements, take them for a week, then forget they exist. StackDay fixes that — log every dose, build real streaks, and finally see which supplements you actually stick with.

DAILY CHECKLIST
Your entire stack in one screen. Tap to check off each supplement as you take it — morning, afternoon, bedtime. Satisfying haptic feedback every time.

50+ SUPPLEMENTS BUILT IN
Peptides, mushrooms, vitamins, minerals, adaptogens, and performance compounds — all pre-loaded with dosages and benefits. Add your full stack in 30 seconds.

STREAKS & STATS
See your current streak, best streak, and 30-day adherence for every supplement. A monthly calendar heatmap shows exactly which days you nailed it.

SMART REMINDERS
Set morning, evening, and bedtime reminders so nothing slips. Customize the times to match your routine.

PRIVATE BY DESIGN
All your data stays on your iPhone. No account required. No cloud sync. Everything is stored locally.

STACKDAY PRO
Unlock unlimited history, detailed per-supplement stats, custom reminder times, and a home screen widget.

Free tier includes full daily tracking, 7-day history, and 3 reminders.

StackDay is built for the millions of people spending money on supplements but getting zero value because they can't stay consistent.

Privacy Policy: https://foggy-labs.github.io/privacy/stackday
Terms of Use: https://foggy-labs.github.io/terms
Support: https://foggy-labs.github.io/support