Effective date: June 6, 2020
Last updated: June 8, 2025
Principia-Tech built this app as an Ad Supported app. This SERVICE is provided by Principia-Tech at no cost and is intended for use as is. Some features in the app may include optional in-app purchases that provide additional functionalities or content.
This page informs visitors about our policies regarding the collection, use, and disclosure of personal information if anyone decides to use our Service.
By using the Service, you agree to the collection and use of information in accordance with this policy. The personal information we collect is used for providing and improving the Service. We do not use or share your information with anyone except as described in this Privacy Policy.
For a better experience, while using our Service, we may ask you to provide us with certain personally identifiable information, including but not limited to:
This information is used solely for login authentication, displaying your name in the app, and linking your email to your user ID in Firebase.
We do not sell or share your personal information with third parties, except as required to provide and improve the Service.
Our app uses Google Sign-In to authenticate users. This means we access the following information from your Google account:
This information is used only for login and personalization.
This app’s use and transfer of information received from Google APIs will adhere to the Google API Services User Data Policy, including the Limited Use requirements.
For more information, see the Google API Services User Data Policy.
The app uses third-party services that may collect information used to identify you. These include:
In case of an error in the app, we collect data and information (through third-party products) on your device called Log Data. This may include:
Our Service does not use cookies directly. However, the app may include third-party code and libraries that use cookies to collect information and improve their services. You can accept or refuse these cookies through your device settings.
We strive to use commercially acceptable means to protect your personal information. However, no method of transmission over the internet or electronic storage is 100% secure, and we cannot guarantee absolute security.
This Service may contain links to other websites. If you click on a third-party link, you will be directed to that site. These external sites are not operated by us. We strongly advise you to review the privacy policies of those websites.
These Services are not intended for users under the age of 13. We do not knowingly collect personally identifiable information from children under 13. If we discover that a child under 13 has provided us with personal data, we delete it immediately.
We may update our Privacy Policy from time to time. You are advised to review this page periodically for any changes. We will notify you by posting the new Privacy Policy on this page.
If you have any questions or suggestions about our Privacy Policy, please contact us at:
datascience.ml.services@gmail.com