Tuhr is a period tracker built for Shia women.
Mohaddisa & Ali Peerbhai. Wife and husband. We started building this because the question kept coming up. Can I pray today? And the answer was always somewhere outside the phone. A book on a shelf, a voice note from a sister, an old search result from a thread three years old. Never on the device that already knew the cycle.
So we built it. The fiqh content references each marja's public writings and published Q&A. We are not affiliated with any marja's office. We cite, we do not interpret.
What Tuhr does
Answers the question every Shia woman asks every month: can I pray today? The answer is delivered in under half a second, with a citation to the exact ruling, accurate to her chosen marja, with zero network calls. Tracks every missed prayer and fast across years. Schedules qada makeups into the phone's native calendar. Keeps everything on the device.
What we promise
- Cycle data stays on your phone. The app is being built without a user account or a server-side database for personal data. Final privacy details will be published with the release.
- We cite our sources. Every fiqh ruling in the app and on this site is linked to a primary source on sistani.org, leader.ir, or makarem.ir. We do not interpret rulings.
- The reading on this site stays open. The tools, glossary, and Q&A live here for anyone who needs them, with no account and no tracking.
Where we are
Building toward early access in June 2026.
Get in touch
Instagram @tuhr.app · TikTok @tuhrapp · or join the waitlist on the home page and reply to the welcome email.