Privacy Policy

This Privacy Policy explains how Reciprocity Holdings LLC ("we," "us," or "ParkStamp") collects, uses, and protects personal information through the ParkStamp mobile app (the "App") and the website at parkstamp.com (the "Site"). By using the App or the Site, you agree to the practices described here.

Our approach is simple: we collect only what we need to run ParkStamp, we keep it secure, and we never sell it.

1. Information We Collect

Account information

When you create a ParkStamp account, we collect your email address so we can sign you in (we use a passwordless "magic link" sent to your email). You may optionally add a display name. We do not require or store a password.

Your collection activity

As you use the App, we store the data that makes up your stamp book: which parks you have stamped or collected, visit dates you record, and any premium stamp designs you purchase. This is the core of the product and is tied to your account.

Photos and photo metadata

The App can, with your permission, access your device photo library so you can add photos to your park visits and so we can suggest parks you have already been to. When you add a photo, the photo is uploaded to our secure, private storage and associated with your account. We also read and store limited metadata from those photos — the date the photo was taken and its location (latitude and longitude) where available — to match the photo to the correct park and visit. We do not scan or upload photos you do not select, and your photos are stored in a private location accessible only to you.

Location

With your permission, the App uses your device's location while you are using it to confirm you are at or near a park when you check in. We use location only in the foreground (while the App is open) for this purpose. We do not track your location in the background.

Purchases

ParkStamp offers optional in-app purchases (individual stamp designs and bundles). Purchases are processed by the Apple App Store or Google Play and managed through our purchase provider, RevenueCat. We receive confirmation of what you purchased and your subscription/entitlement status, but we never receive or store your full payment card number — that is handled entirely by Apple, Google, and their payment processors.

Website email signup

If you sign up on parkstamp.com to be notified about the launch, we collect your email address for that purpose only.

Technical and log data

Our servers and hosting providers automatically log limited technical information — such as IP address, device or browser type, and the date and time of requests — to keep ParkStamp secure, reliable, and performant.

2. How We Use Your Information

We use the information we collect to:

• Create and maintain your account and your stamp book
• Identify the parks you have visited and record your stamps, visits, and photos
• Process and restore your in-app purchases
• Send you essential account and service messages, and (if you opted in) launch and product updates
• Maintain the security, integrity, and performance of the App and Site

We do not use your information for third-party advertising, and ParkStamp does not include third-party advertising or tracking SDKs.

3. Permissions You Control

The App asks for two device permissions, and only when you use the feature that needs them:

• Photos — to let you add photos to visits and to detect parks from photo metadata.
• Location — to confirm you are at a park when you check in.

You can grant or revoke either permission at any time in your device settings. The rest of ParkStamp continues to work without them.

4. How We Store and Protect Your Information

Your account data, collection activity, and photos are stored using Supabase, our backend and storage provider, on infrastructure located in the United States. Photos are kept in a private storage bucket and are served only through temporary, expiring links tied to your account. Data is encrypted in transit, and we apply access controls so that you can only access your own data. No method of transmission or storage is 100% secure, but we use industry-standard measures to protect your information.

5. Third-Party Services

We share information only with the service providers needed to operate ParkStamp:

• Supabase — authentication, database, and photo storage.
• Apple App Store / Google Play — app distribution and payment processing for in-app purchases.
• RevenueCat — manages and validates your in-app purchases and entitlements.
• National Park Service (NPS) API — we retrieve public park information (descriptions, hours, alerts, places) to show in the App. We do not send your personal information to the NPS.
• Cloudflare — hosts the website and handles the launch email signup.

These providers process data on our behalf under their own privacy and security commitments. We do not sell your personal information to anyone.

6. Data Retention and Account Deletion

We keep your information for as long as your account is active. You can delete your account and associated data at any time from within the App, or by emailing us at the address below. When you delete your account, we remove your stamp book, visits, and photos from our active systems. Limited records may be retained where required for legal, accounting, or fraud-prevention purposes.

7. Your Rights

You have the right to:

• Request access to the personal information we hold about you
• Request correction of any inaccurate information
• Request deletion of your account and information
• Unsubscribe from non-essential emails at any time

To exercise any of these rights, contact us using the information below. We will respond within 30 days.

8. California Privacy Rights

If you are a California resident, you have additional rights under the California Consumer Privacy Act (CCPA), including the right to know what personal information we collect and the right to request its deletion. We do not sell personal information. To submit a request, contact us at the email address below.

9. Children's Privacy

ParkStamp is not directed to children under 13, and we do not knowingly collect personal information from children under 13. If we learn that we have collected information from a child under 13, we will delete it promptly.

10. International Users

ParkStamp is operated from the United States and our data is stored in the United States. If you use ParkStamp from outside the U.S., you understand that your information will be processed in the United States.

11. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated "Last Updated" date. Your continued use of ParkStamp after changes constitutes acceptance of the updated policy.

12. Contact

Questions about this Privacy Policy or requests regarding your personal information should be directed to: