> For the complete documentation index, see [llms.txt](https://peerless.gitbook.io/spirit-level-pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://peerless.gitbook.io/spirit-level-pro/privacy-policy.md). # Privacy Policy ## Spirit Level Pro — Privacy Policy **Effective Date:** January 1, 2025\ **Last Updated:** January 1, 2025 ### Overview Spirit Level Pro respects your privacy. This policy explains how the Spirit Level Pro mobile app (“the App”) handles data. ### What We Don’t Collect * **No Personal Data:** We do not collect names, emails, phone numbers, or any personally identifiable information. * **No Location Tracking:** We do not access, collect, or track location data. * **No Device Identifiers:** We do not collect device IDs, advertising IDs, or hardware specs. * **No Usage Analytics:** We do not track behavior, events, or analytics. * **No Network Communication:** The App works fully offline and does not transmit data. ### What Is Stored Locally (On Your Device) * **Measurement History:** Saved measurements with optional notes. * **App Preferences:** Units, sensitivity, and calibration settings. * **Calibration Data:** Reference points used to keep measurements accurate. ### How Your Data Is Used (Locally) All processing happens **on your device** to: * Save and display measurement history * Remember settings and preferences * Maintain calibration references * Generate personal stats and charts **No data leaves your device.** ### Data Storage & Security * **Local Storage Only:** Your information stays on your device. * **No Cloud Services:** We do not sync or back up your data to any server. * **No External Transmission:** We never send data to us or to third parties. * **Your Control:** You retain full control over your data. ### Third-Party Services The App does **not** integrate with: * Analytics platforms * Advertising networks * Social media services * Cloud storage providers * Crash reporting services ### Children’s Privacy The App is safe for all ages. We do not collect personal information, including from users under 13. ### Data Export & Sharing * You may export measurements as CSV or PDF. * Exported files are under your control. * We have no access to exported data. * Sharing is entirely up to you. ### App Permissions * **Motion Sensors:** Used to detect device orientation for measurements. * **Storage:** Used to save measurement history locally.\ We do **not** request camera, microphone, location, or network access. ### Updates to This Policy We may update this policy to reflect improvements. Changes will be communicated in app updates with clear notice. ### Contact Need help or have feedback?\