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Privacy Policy

Last updated: January 13, 2026

This Privacy Policy applies to DeltaDrop, a product operated by Wescorp Digital Pty Ltd (ABN 96 693 984 879) ("we," "our," "us") and explains how we collect, use, disclose, and safeguard your information when you use our HVAC Pressure Drop calculation tools, subscription services, and websites located at deltadrop.io and app.deltadrop.io ("Services", "app").

1. Information We Collect

Personal Information

We collect the following personal information:

  • Account Information: Email address, name and profile picture (optional) when you create an account
  • Payment Information: Billing address and payment method details processed securely through Stripe
  • Communication Data: Messages you send through our support channels

Usage Data

We automatically collect certain information when you use our Services:

  • Project and system data you create in the calculator
  • Technical information for debugging, such as error logs and crash reports

We only collect information necessary to run the Service and fix issues.

2. How We Use Your Information

We use the information we collect to:

  • Create and manage your account
  • Process payments and manage subscriptions
  • Provide access to the app
  • Respond to your questions and provide customer support
  • Maintain and improve system performance
  • Fix bugs or diagnose issues
  • Communicate important updates or problems relating to your account

We do not sell or rent your personal information to third parties.

3. Cookies and Tracking

We use cookies and similar technologies for:

  • Logging you in and keeping your session active
  • Basic performance and security functions

You can control cookie preferences through your browser settings, though disabling cookies may affect functionality.

4. Sharing Your Information

We only share your information with trusted service providers necessary to operate our Services, including:

  • Stripe Handles all payment processing. Stripe may receive your name, email, billing details, and payment method.
  • RedisUsed for caching and session management. May temporarily store session-related technical data.

We do not share your information with advertisers or unrelated third parties.

5. International Users

Our primary operations are based in Australia. At the moment we do not specifically target users in the EU or UK, but as we expand, we may update this policy to reflect additional privacy requirements (such as GDPR).

6. Data Security

We take reasonable steps to protect your data through encryption, secure hosting, and limiting access only to authorised personnel. However, no internet service can be 100% secure.

7. Data Retention

We keep personal information only for as long as it's needed for the operation of the Service or required for legal reasons. You may request that we delete your account and associated data.

8. Your Rights

Depending on your region, you may have the right to:

  • Access your personal data
  • Correction of inaccurate data
  • Request deletion
  • Data portability
  • Opt-out of certain data processing

To exercise these rights, please contact us using the information below.

9. Children's Privacy

Our Services are not intended for children under 13. We do not knowingly collect personal information from children under 13. If we become aware that we have collected such information, we will delete it immediately.

10. Third-Party Links

Our Services may contain links to third-party websites. We are not responsible for the privacy practices of these external sites. We encourage you to review their privacy policies.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new policy on this page and updating the "Last updated" date. Your continued use of our Services after changes constitutes acceptance of the updated policy.

12. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us at support@deltadrop.io or through our support channels.

13. Company Information

Company Name: Wescorp Digital Pty Ltd.
ABN: 96 693 984 879
Registered in Australia