Privacy Policy

Last Updated: May 2026

DuoSphere Tools (“we”, “our”, or “us”) respects your privacy and is committed to protecting your information. This Privacy Policy explains how information is collected, used, and protected when using our application.

Information We Collect

Usage & Analytics Data

We may collect anonymous analytics and diagnostic information through Firebase services to improve app performance, stability, and user experience.

This may include:

• Device type

• Operating system version

• App usage statistics

• Crash reports

• Performance data

This information does not personally identify users.

Advertising

DuoSphere Tools uses Google AdMob to display advertisements in the free version of the app.

AdMob may collect:

• Device identifiers

• Advertising information

• App interaction data

This information helps provide and improve advertisements.

Users who subscribe to Premium may receive an ad-free experience.

In-App Purchases & Subscriptions

Our app offers optional in-app purchases and subscriptions processed securely through Apple App Store using RevenueCat.

We do not directly collect or store:

• Credit card details

• Banking information

• Apple payment credentials

All payment processing is securely handled by Apple and RevenueCat.

Firebase Services

We use Firebase services including:

• Firebase Analytics

• Firebase Crashlytics

• Firebase Remote Config

These services help improve:

• App stability

• Performance monitoring

• Feature optimization

• User experience

Local Device Storage

Some features may store data locally on your device, including:

• Notes

• Quotes

• QR history

• Text preferences

• App settings

We do not upload personal notes or private user content to our own servers.

Permissions

Depending on the features used, DuoSphere Tools may request:

• Camera access (for QR scanning)

• Photo library access (for saving images or generated content)

• Notification permission (optional reminders or updates)

Permissions are only used for intended app functionality.

Third-Party Services

Our app may use third-party services including:

• Apple App Store

• Google AdMob

• Firebase

• RevenueCat

These third-party services may collect information according to their own privacy policies.

Children’s Privacy

DuoSphere Tools is not intended for children under the age of 13. We do not knowingly collect personal information from children.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Updated versions will be posted within the app or App Store listing.

Contact Us

If you have any questions or concerns regarding this Privacy Policy, please contact us:

vasantbhaivora@icloud.com