Privacy Policy
Effective date: April 4, 2026
Overview
Yesterday ("we", "our", "us") operates the Yesterday mobile application and the yesterdaybriefs.com website. This policy describes what information we collect, how we use it, and your choices.
Information We Collect
Account information. If you create an account, we collect your email address and authentication credentials. You may also sign in via Google or Apple, in which case we receive only the information those providers share (typically your name and email).
Push notification tokens. If you opt in to notifications, we store a device push token so we can deliver your daily brief.
Usage data. We collect anonymous analytics (page views, app opens) via Vercel Analytics and Expo to improve the product. These do not identify you personally.
How We Use Your Information
- To provide and maintain the service
- To send push notifications you have opted into
- To respond to support requests
- To improve the app and website
Data Sharing
We do not sell your personal information. We share data only with service providers that help us operate (Supabase for database hosting, Expo for push notifications, Vercel for website hosting). These providers are bound by their own privacy policies.
Data Retention
We retain your account information for as long as your account is active. You may request deletion of your account and associated data at any time from the mobile app in Settings > Delete Account.
Your Rights
You may request access to, correction of, or deletion of your personal data by emailing us at yesterday.briefs@gmail.com.
If you signed in with Google or Apple, you can disconnect those linked sign-in methods from the mobile app in Settings > Connected Accounts.
Children's Privacy
Our service is not directed to children under 13. We do not knowingly collect personal information from children under 13.
Changes to This Policy
We may update this policy from time to time. We will notify you of material changes by posting the new policy on this page with an updated effective date.
Contact Us
If you have questions about this policy, contact us at yesterday.briefs@gmail.com.