Presence Privacy Policy

The short version

Presence needs to know when you arrive somewhere. That's the whole product. We collect your location to make that work nothing more, nothing less. We don't sell your data. We don't share it with advertisers. We don't build a profile of your movement patterns. Your location is a tool for connection, not a product we monetize.

✓Your location is used only when a rule fires. We check whether you've arrived at a spot you've chosen to share. That's it. We're not watching you in between.
✓Rules are one-directional and consent-based. Friends only receive a notification if you've created a rule that includes them, and only when the conditions you set are met.
✓Your phone number is used to verify your identity. We use Twilio to send a one-time code when you sign in. We don't use it for anything else.
✓You can delete your account and all your data at any time. Deletion is immediate and permanent. No retention period, no soft deletes.
✓We never sell your data. Not now, not if the business changes shape. That's a promise, not just a policy.

1. Who we are

Presence is an iOS application developed and operated by Matthew Suber ("we," "us," or "our"). If you have questions about this policy, contact us at [email protected].

2. Information we collect

Location data. Presence collects your device's location in the background when the app is active. Location is collected at the precision necessary to determine whether you have arrived at a place defined in one of your rules (typically city-level or venue-level). We do not continuously log your precise GPS coordinates. Location checks occur when your device detects significant location changes and when evaluating rule conditions.

Phone number. We collect your phone number for account creation and verification via SMS. Your phone number is your account identifier. We use Twilio to deliver one-time verification codes. We do not use your phone number for marketing.

Account data. This includes your display name, username, and profile photo if provided.

Usage data. We collect anonymized event data (such as rule creation, arrival events, and app interactions) to understand how the app is used and improve it. This data is stored in Supabase and is not linked to your precise location history.

Communications. If you contact us via email or the feedback form, we retain that correspondence.

3. How we use your information

To evaluate your location against rules you have created
To send notifications to friends you have included in your rules, when rule conditions are met
To verify your identity at sign-in
To maintain and improve the app
To respond to your feedback or support requests

4. How we share your information

We do not sell your personal data. We do not share your data with advertisers. We share limited data only as follows:

With friends you've chosen: When a rule fires, the friend named in that rule receives a notification. They do not receive your precise coordinates only the awareness that you are at or near the location defined in your rule.
Service providers: Twilio (SMS verification), Supabase (database and backend infrastructure). These providers process data on our behalf and are bound by their own privacy and security obligations.
Legal requirements: We may disclose information if required by law or to protect the rights and safety of users or the public.

5. Data retention

We retain your data for as long as your account is active. You may delete your account at any time from within the app. Deletion removes your profile, rules, location data, and associated records permanently. There is no retention period following deletion.

6. Your rights

You may request access to, correction of, or deletion of your personal data at any time by contacting [email protected] or using the in-app account deletion feature. California residents have additional rights under CCPA, including the right to know what data we collect and the right to opt out of sale (we do not sell data).

7. Children

Presence is not intended for users under the age of 13. We do not knowingly collect data from children under 13. If you believe we have inadvertently collected such data, please contact us immediately.

8. Security

We use industry-standard security practices including HTTPS for all data in transit and encrypted storage at rest via Supabase. No system is perfectly secure; we encourage you to use a strong, unique password and to contact us immediately if you believe your account has been compromised.

9. Changes to this policy

We may update this policy as the app evolves. Material changes will be communicated via in-app notification or email. Continued use of the app after changes take effect constitutes acceptance.

10. Contact

Matthew Suber
[email protected]
Atlanta, Georgia, USA

Effective April 2026