H280: Water Tracker & Reminder

100% FREE – NO ADS – NO SUBSCRIPTION – NO SIGN-UP

Your brain is 80% water. H₂O + 80% = H280.

Hydration improves memory, focus, and energy — and H280 makes it effortless.

Clean. Fast. Private.

Log water instantly with home screen widgets or quick-add buttons. 
Your data stays on your device and syncs with Apple Health.

Key Features:
Instant logging via home screen widget
Quick-add buttons (ml or oz)
Smart reminders that fit your schedule
Colour-coded progress ring
Apple Health auto-sync
Multi-day habit tracking
No account needed
The core experience is free — always.

Optional upgrades may come in future, but essential hydration tracking stays unlocked.

Stay sharp. Stay hydrated.