Privacy Policy
This Privacy Policy applies to the mobile application Hold Calculator, Descent Calculator and NDB Hold Pattert Route Generator (the “Apps”) developed by Bill Stewart (“we”, “us”, or “our”).
1. Information We Collect
The App does not collect, store, transmit, or share any personal data or user information.
All calculations (heading, wind correction, and related navigation values) are performed entirely on your device. No data leaves your device. The App does not require an internet connection to function and does not use any analytics, advertising, or tracking services.
2. Third-Party Services
The App does not integrate any third-party SDKs, analytics tools, advertising networks, or external services that collect data.
3. Permissions
The App does not request access to your location, contacts, camera, microphone, photos, or any other device data.
4. Children’s Privacy
The App does not collect any personal information from anyone, including children under 13.
5. Changes to This Policy
If we ever change how the App handles data, we will update this Privacy Policy and the “Last updated” date. Continued use of the App after any changes constitutes acceptance of the updated policy.
6. Contact Us
If you have any questions about this Privacy Policy, please contact us at:
Email: b2j46z8g8n@privaterelay.appleid.com
Developer: Bill Stewart
Support
How to get help
For questions, bug reports, feature requests, or feedback, please contact us by email. We aim to respond within 1–3 business days.
Support email: b2j46z8g8n@privaterelay.appleid.com
App: Hold Calculator
Frequently asked questions
Does the app collect any data?
No. All heading and wind calculations are performed entirely on your device. Nothing is stored, transmitted, or shared.
Does the app need an internet connection?
No. The App works fully offline.
I found a bug or the calculation seems incorrect
Please email us with your device model, iOS version, the values you entered, and the result you received. This helps us investigate quickly.
App Store
You can leave a review or request a refund through the App Store. For billing questions related to App Store purchases, please contact Apple Support.
Terms of Use
By downloading or using Hold Calculator, Descent Calculator and NDB Hold Pattert Route Generator, you agree to these Terms of Use and to Apple’s standard End User License Agreement (EULA), available at apple.com/legal/internet-services/itunes/dev/stdeula/.
License
We grant you a limited, non-exclusive, non-transferable, revocable license to use the App for personal, non-commercial purposes in accordance with these Terms and the App Store terms.
Acceptable use
You agree not to:
- Use the App for any unlawful purpose
- Attempt to reverse-engineer, decompile, or modify the App except as permitted by law
- Interfere with or disrupt the App
Intellectual property
The App and its content are owned by Bill Stewart or its licensors and are protected by copyright and other laws.
Disclaimer
The App is provided “as is” without warranties of any kind, express or implied. Navigation calculations are tools to assist the user; you remain responsible for verifying results and for safe navigation decisions. We do not guarantee that the App will be uninterrupted or error-free.
Limitation of liability
To the maximum extent permitted by law, we shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising from your use of the App.
Contact
Questions about these Terms can be sent to the support email listed above.