Privacy Policy

Corner Check · Effective date: March 21, 2026

Corner Check ("the App") is a construction utility tool for checking right angles. Your privacy is important to us. This policy explains what data we collect and how we use it.

Data Collection

The App does not collect, store, transmit, or share any personal data. Specifically:

• No personal information is collected (name, email, phone, etc.)
• No usage analytics or tracking is performed
• No cookies are used
• No third-party SDKs or services are integrated
• No data is sent to any server

How the App Works

All calculations (dimensions, diagonals, angles) are performed entirely on your device. No data leaves your device at any time. The App works fully offline.

Third-Party Services

The App does not use any third-party services, advertising networks, or analytics tools.

Children's Privacy

The App does not collect any data from anyone, including children under 13. It is safe for users of all ages.

Changes to This Policy

If we update this privacy policy, the changes will be posted on this page with an updated effective date.