Privacy Policy

Effective date: April 6, 2025

Kunz Dev Studio ("we", "us", "our") built StampDaily as a commercial application. This Privacy Policy explains how information is handled when you use StampDaily.

Information We Do Not Collect

We do not collect, store, or have access to any of your personal data. StampDaily does not transmit your data to any server owned or operated by Kunz Dev Studio. We have no database of user information, no analytics service, and no way to see or retrieve your content.

Data Stored on Your Device

All data you create in StampDaily — including postcards, photos, stamp images, notes, and location metadata — is stored locally on your device using Core Data. This data never leaves your device except through iCloud sync (described below).

iCloud Sync

StampDaily uses Apple's CloudKit (via NSPersistentCloudKitContainer) to sync your postcard data across your personal Apple devices. This data is stored in your private iCloud account and is governed by Apple's Privacy Policy. We do not have access to your iCloud data.

Photos and Camera

StampDaily requests access to your photo library and camera so you can create postcards from your photos or capture new ones. Photos you select or capture are processed entirely on your device. They are not uploaded to any external service.

Location Data

StampDaily may request your location ("when in use") to tag postcards with the place they were created. When you select a photo from your library, the app may also read the location and date metadata embedded in that photo's EXIF data. Location data is stored only on your device and in your private iCloud account. It is not shared with us or any third party.

Third-Party Services

StampDaily uses the following third-party services:

RevenueCat — manages in-app purchases and subscription status. RevenueCat may collect anonymous identifiers to track purchase state. See RevenueCat's Privacy Policy.
Overpass API — a public OpenStreetMap service used to render map imagery on postcard backs. Only geographic coordinates are sent in the request; no personal identifiers are included.
Apple App Store — handles payments for in-app purchases. See Apple's Privacy Policy.

Children's Privacy

StampDaily is not directed at children under the age of 13. We do not knowingly collect information from children.

Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated effective date. Continued use of the app after changes constitutes acceptance of the revised policy.

Contact

If you have questions about this Privacy Policy, contact us at support@kunzdevstudio.com.