Effective Date: August 18, 2026

Summary: BuildMate Calculator is an offline-first app. It does not require an account, does not upload your project data to any server, and stores all your prices and estimates locally on your device.

1. Introduction

Zaifi Group ("we," "our," or "us") built BuildMate Calculator as a free, offline construction calculator application. This Privacy Policy explains how we collect, use, and protect information when you use our app (the "Service").

By using the Service, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide

BuildMate Calculator does not require you to create an account or provide any personal information to use the app. All data you enter (room dimensions, material prices, project names, and estimates) is stored locally on your device and is never transmitted to our servers.

2.2 Automatically Collected Information

The app itself does not collect analytics, crash reports, or usage data in its first release. However, if distributed through the Google Play Store, Google may collect certain information as described in their own privacy policy.

2.3 Third-Party Services

The app may use the following third-party services that may collect information:

  • Google Play Services — For app distribution and updates
  • Expo/React Native — The framework used to build the app (does not collect personal data in our configuration)

3. How We Use Information

Since the app operates offline and does not collect personal data:

  • We do not sell, trade, or share your information with third parties
  • We do not use your data for advertising purposes
  • We do not track your usage within the app
  • All calculation data remains on your device only

4. Data Storage and Security

All app data (saved prices, estimates, settings) is stored locally on your device using AsyncStorage. This data:

  • Is only accessible by the BuildMate Calculator app on your device
  • Is not backed up to our servers
  • Can be deleted by clearing the app's data or uninstalling the app
  • May be included in your device's local backup (managed by your device settings)

5. Children's Privacy

Our Service does not address anyone under the age of 13. We do not knowingly collect personal information from children under 13. Since the app does not collect any personal data, it is safe for users of all ages.

6. Your Rights

You have the right to:

  • Access your data — All your data is visible within the app
  • Delete your data — Clear app data in your device settings or uninstall the app. See our Data Deletion page for instructions
  • Data portability — Your data is stored locally and managed by your device

7. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Effective Date" at the top.

You are advised to review this Privacy Policy periodically for any changes. Changes are effective when they are posted on this page.

8. Contact Us

If you have any questions about this Privacy Policy, please contact us: