Privacy Policy

Last Updated: June 15, 2026

Your Privacy Matters

Lightprint keeps your light recipes on your device. We do not run our own server, require an account, or upload your saved recipes, thumbnails, camera notes, exposure values, calibration settings, or exported cards. In-app purchases are processed by Apple and managed through RevenueCat.

1. Introduction

This Privacy Policy explains how Lightprint ("the App", "we", "us", or "our") handles information. Lightprint is an iPhone light meter, exposure recipe, and scene matching tool for photographers and video creators.

2. Information We Collect

2.1 Information We Do NOT Collect

2.2 Data Stored Locally on Your Device

DataPurposeStorage
Light RecipesSave EV, estimated lux, Kelvin, tint, exposure settings, camera/lens/profile notes, location labels, thumbnails, and setup notesDevice only
Project PresetsRemember reusable camera, ISO, aperture, shutter, FPS, shutter angle, and correction settingsDevice only
Calibration and Correction ValuesApply device or project-specific exposure correctionDevice only
PreferencesRemember onboarding state, favorites, selected project, and app settingsDevice only
Exported PNG/CSV FilesCreate recipe cards or CSV exports when you choose to export or shareGenerated locally

2.3 Data Processed by Third-Party Services

ServicePurposeData Involved
Apple App StoreIn-app purchase processing, refunds, purchase history, and restorationHandled by Apple. We do not receive your payment card information or Apple ID password.
RevenueCatPurchase verification and Pro entitlement managementMay process technical device/app information, Apple receipt data, purchase status, and anonymous app user identifiers needed to manage purchases.

We do not use advertising networks, third-party analytics, behavioral tracking SDKs, or third-party crash reporting tools.

3. How We Use Information

4. Permissions We Request

PermissionPurposeRequired
CameraEstimate exposure, white balance, Kelvin/tint, and capture local recipe thumbnailsRequired for core metering

Lightprint does not request microphone, contacts, precise location, advertising tracking, or push notification permissions. If you export or share files, iOS may present system share or file dialogs controlled by Apple.

5. In-App Purchases

Lightprint Pro is available as a one-time lifetime purchase:

6. Data Retention

Uninstalling the App removes locally stored app data from your device. Purchase records may remain with Apple and RevenueCat as needed for purchase restoration, fraud prevention, tax, accounting, and legal obligations.

7. Children's Privacy

Lightprint does not knowingly collect personal information from children. The App does not include social features, public profiles, chat, advertising, or user-generated content sharing through our servers.

8. Your Rights and Choices

9. International Users

Lightprint may be available worldwide. Core app data is processed locally on your device. Purchase processing may involve Apple and RevenueCat systems in their respective regions.

10. Changes to This Policy

We may update this Privacy Policy from time to time by updating the "Last Updated" date and posting the revised policy at this URL. Continued use of the App after changes means you accept the updated policy.

11. Contact Us

If you have questions about this Privacy Policy:

Email: prizm_kr@hotmail.com

Support: Available through the App Store or email

Privacy Summary

Do we require an account?No
Do saved recipes stay on device?Yes
Do we upload your camera images or recipes?No
Do we show ads or use tracking?No
Do we use analytics?No
Do we sell your data?No
Do we use third parties?Only Apple and RevenueCat for purchases
What permission is needed?Camera for light measurement
Can you delete your data?Yes, delete in app or uninstall