PrepTracker
Know how many days your household could last. Free, offline, private by design. Offered to the community.
Get it on the App Store
Get it on Google Play
Your community code is . The app asks for it during setup.
Someone sent you their number: . Install the app, then tap the link you were sent again: it opens PrepTracker with their number so you can compare. Three minutes to find yours; no account.
Someone at home invited you to share their PrepTracker list. Install the app from the store above, then tap the link you were sent again: it opens PrepTracker and joins their household. The link works for 15 minutes; ask for a new one if it has expired.
Scan the code with your phone, or open this page on it. Already installed? Open PrepTracker from your home screen.