Privacy Policy

Last updated: 6 October 2026

CIPHER ("we", "our", or "the App") is a secure notes application. This Privacy Policy explains how we collect, use, and protect your information when you use our App.

1. Information We Collect

• Phone Number — We collect your mobile phone number solely for account authentication via SMS one-time password (OTP) verification.
• Notes & Content — Notes, tags, and other content you create are stored on our servers to enable access across sessions.
• Location Data — With your permission, we collect approximate location data to allow you to tag notes with a location. Location access is optional and can be denied without affecting core functionality.
• Device Information — We collect basic device identifiers for security purposes such as fraud prevention and session management.

2. How We Use Your Information

• To verify your identity and authenticate your account
• To store and retrieve your notes and content
• To provide location-based note tagging (if permitted)
• To maintain security and prevent unauthorized access

3. Third-Party Services

We use the following third-party services:

• Google Firebase Authentication — For phone number verification and SMS OTP delivery. Firebase processes your phone number in accordance with Google's Privacy Policy.
• Google Firebase Analytics — For anonymous usage analytics to improve the App experience.

4. Data Storage & Security

Your data is stored on secure servers. We use encryption in transit (HTTPS/TLS) to protect data transmitted between the App and our servers. We implement appropriate technical and organisational measures to safeguard your personal information against unauthorised access, alteration, or destruction.

5. Data Retention

We retain your account data and notes for as long as your account is active. You may request deletion of your account and associated data at any time by contacting us.

6. Data Sharing

We do not sell, trade, or rent your personal information to third parties. We may share information only when required by law or to protect our legal rights.

7. Your Rights

You have the right to:

• Access your personal data
• Request correction of inaccurate data
• Request deletion of your account and data
• Withdraw consent for optional features (such as location access)

8. Children's Privacy

The App is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13.

9. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be reflected on this page with an updated revision date.

10. Contact Us

If you have questions or concerns about this Privacy Policy or your data, please contact us at:

Email: dealightprasad@gmail.com