Last updated: 2026-01-31
This Privacy Policy applies to the Viable mobile application (the "Application") created by -9.81f (the "Service Provider") as a Freemium service.
The Application collects information when you download and use it. This may include your device's IP address, operating system, and basic usage statistics. Importantly, the Application uses third-party services to process in-app purchases. These services collect transaction identifiers and anonymous device IDs to manage your "Pro" status and entitlements.
The Application utilizes third-party services that have their own Privacy Policies. We do not store your credit card or personal profile data on our own servers; all financial transactions are handled by:
Your calculator data and settings are stored locally on your device in a private SQLite database. This data is not transmitted to the Service Provider or any third parties.
The Application is intended for users aged 13 and older. We do not knowingly collect personally identifiable information from children under 13. If we discover a child under 13 has provided personal information via our support channels, we will delete it immediately.
We may update our Privacy Policy from time to time. You are advised to review this page periodically for any changes.
If you have questions about this policy, contact us at:
Email: neg9.81.help@gmail.com