Privacy Policy

Effective Date

This Privacy Policy is effective as of 2025-03-06.

Information We Collect

Calvance is committed to protecting your privacy. We do not collect any personally identifiable information such as your name or email address. The following explains how we handle and use data:

1. Information You Provide

Calvance does not require you to provide any personal identification information. Unless you voluntarily register, provide feedback, or participate in specific features (such as posting comments or submitting feedback), we will not collect your name, email address, or any other identifying information.

2. App Usage Data

To continuously improve our product performance and user experience, we have integrated Firebase Analytics to record and analyze how the app is used. The data we collect includes:

  • User interaction events within the app (e.g., clicks, swipes, edits);
  • Feature usage and interaction behavior;
  • Device type, operating system version, and app version information.

All of this data is collected in anonymized and aggregated form and does not include any information that can personally identify you. It is used solely for product analysis and optimization.

3. Third-Party Services

Calvance integrates third-party analytics tools such as Firebase Analytics to collect and analyze usage data. These services adhere to their own privacy policies. We use this data only to improve our product features and user experience and do not share your personal information with any third parties.

4. Data Storage and Security

  • All calculation data generated in Calvance (such as equation content) is stored locally on your device, unless you choose to share or export it.
  • The usage data collected via Firebase Analytics is stored in an anonymized format and does not include any personal identifiers.
  • We recommend that you enable your device’s built-in encryption and backup features to further protect your local data.

How We Use Your Data

All data we collect is used solely for internal analysis to help us understand user behavior, optimize app features, and improve the overall user experience. We do not sell this data to third parties.

Data Security

We take reasonable security measures to protect your data:

  • Data transmitted via Firebase Analytics is encrypted.
  • We recommend that you use your device’s built-in encryption and backup features to safeguard your local data.
  • We regularly update the app to fix any potential security vulnerabilities.

User Rights

You have full control over all the data generated in Calvance, including the ability to create, modify, export, and delete your content. Since the data collected via Firebase Analytics is anonymized and does not include personal identifiers, there is no risk of privacy breaches.

Updates to This Privacy Policy

We may update this Privacy Policy based on changes in product features and legal requirements. Please review the Privacy Policy periodically to stay informed about our latest terms.

Contact Us

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