Features
Dose Journal
Log every dose with substance, amount, route, and notes. Search, filter, and group your history.
Interaction Checker
Instantly check for dangerous interactions between substances. Powered by verified pharmacological data.
Half-Life Tracking
See how much of each substance remains in your body with real-time pharmacokinetic calculations.
Usage Insights
Visualize your patterns with charts, stats, and adherence tracking. Understand your habits at a glance.
Live Activity
Track active substances right from your Lock Screen and Dynamic Island. Always know what's in your system.
800+ Substances
A comprehensive, research-verified library covering everything from daily meds to research chemicals.
Your data stays yours.
Piru stores everything locally on your device. No accounts, no cloud sync, no analytics. Your health data never leaves your phone.
be safe. be aware. be kind to yourself. ✦