Piru

Piru puts doses, timestamped notes and estimated drug-level curves on one timeline. Its offline substance reference shows where each field comes from and lets you choose which sources take priority.

Piru is not medical advice. Its models are estimates.

Highlights

• Compare doses and session notes with estimated drug levels on one timeline.
• Import journals from PsychonautWiki Journal, DrugsPRO, and other apps that export in those formats.
• Official collaboration with dose.wiki, with its substance data available in the app.
• Inspect the sources behind each substance field and choose their priority.
• Keep the journal on your device, with exports and encrypted backups.

• Doses, tablet strengths, daily routines, and reminders.
• Timestamped session notes with mood, intensity, and effects.
• Offline substance reference, source comparison, and custom substances.
• Interaction checks and estimated drug-level curves.
• Medication calendar, supply tracking, and usage history.
• Record exports, session reports, and encrypted backups.
• Apple Health heart rate and blood pressure on iPhone, with permission.
• Apple Watch logging, Digital Crown dose entry, and complications.
• iPhone, Android, and Mac apps; Android feature scope.

Automation

Two actions in the Shortcuts app and Siri, for any automation that already knows what was taken. Log Dose saves straight to the journal and answers with the entry's id. Start Dose Log opens the quick log with the dose staged, and nothing is saved until you tap Log. Both take a substance (a brand like Concerta stays on the dose as its product), and optionally an amount, unit, route, time, meal, notes and tags.

The same prefill works as a URL from any app, always for review:

piru://quicklog?substance=Concerta&amount=27&unit=mg&route=oral&time=2026-10-18T09:30:00Z&meal=empty&notes=late&tags=work

time is ISO 8601 or epoch seconds; meal is empty, light or full.

Notes

• iOS/watchOS/macOS 26+; Android 9+ on 64-bit ARM. Mac supports Apple silicon and Intel. Apple Watch comes with the iPhone app.
• Android updates: add this repository to Obtainium, filtering releases by android-.
• Website · Bug reports · Contributing · 简体中文.

Piru’s name and capsule mascot come from its original author, pharmacykitty. kageroumado continues the project.

The library draws on substance.wiki and its SubFxOnEx ontology (LGPL-2.1), PsychonautWiki (CC BY-SA 4.0), FreeOD Wiki (CC BY-SA 4.0), dose.wiki (CC0 1.0), TripSit, DailyMed, PubChem, Wikidata, and the peer-reviewed literature cited in the app.