Privacy Policy

Effective Date: February 11, 2026 · Last Updated: April 16, 2026

Publius ("we," "our," or "us") is published by PlayX Technologies. This Privacy Policy explains how we handle information when you use our mobile application ("App").

1. Information We Collect

Information Stored Locally

Publius stores your learning progress (completed lessons, card positions, and streak data) locally on your device using AsyncStorage. This data never leaves your device and is not transmitted to our servers.

Analytics Data — App

We use PostHog to collect anonymous usage analytics to improve the App. This may include:

• App opens and session duration
• Lessons started and completed
• Quiz completion rates
• Device type and operating system version

This data is anonymous and cannot be used to identify you personally.

Analytics Data — Website

When you visit publius.academy, we use PostHog to collect anonymous usage analytics including pages visited, quiz interactions, and button clicks. This helps us understand what content is useful and improve the site. No personal information is collected; we use anonymous identifiers only. PostHog may set browser cookies prefixed ph_ to support session continuity. We do not sell your data, track you across other websites, or use your data for advertising.

2. Information We Do NOT Collect

• We do not collect your name, email address, or any personal contact information
• We do not require account creation or login
• We do not collect location data
• We do not access your camera, microphone, or contacts
• We do not sell or share any data with third parties for advertising purposes

3. Data Storage

Your learning progress is stored only on your device. If you uninstall the App, this data will be deleted. Anonymous analytics data is processed by PostHog on their servers in accordance with their privacy policy.

4. Third-Party Services

• PostHog — Anonymous product analytics. Privacy Policy
• Expo Updates — Over-the-air app updates (version check only). Privacy Policy

5. Children's Privacy

Publius is designed for a general audience and is not directed at children under 13. We do not knowingly collect information from children under 13.

6. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy within the App. Your continued use of the App after changes constitutes acceptance of the updated policy.

7. Contact Us

If you have questions about this Privacy Policy, contact us at:

PlayX Technologies
Email: [email protected]