Privacy Policy

Last updated: 11/18/2025

Overview

Our service provides Twitter analytics and profile insights through our web application and Chrome browser extension. We collect and analyze public Twitter data to help users track engagement metrics, follower growth, and content performance for Twitter profiles they're interested in monitoring.

This privacy policy explains how we collect, use, store, and protect your information when you use our services.

Information We Collect

1. Account Information

When you create an account, we collect:

  • Email address, display name, and profile picture (via Google OAuth)
  • Twitter username, display name, and avatar (via Twitter OAuth)
  • Unique user identifiers from authentication providers

2. Twitter Data

We collect public Twitter information including:

  • Profile Data: Usernames, display names, bio information, follower/following counts, account creation dates
  • Tweet Content: Public tweets, engagement metrics (likes, retweets, replies, quotes, views, bookmarks), media attachments
  • Historical Data: Up to 30 days of historical tweets and ongoing daily snapshots of profile statistics
  • Growth Analytics: Follower count changes, posting frequency, and engagement trends over time

3. Usage Information

We automatically collect:

  • Number of API requests you make to our backend
  • Twitter profiles you access through our extension
  • Pages you visit within our application
  • Authentication status and session information

4. Chrome Extension Data

Our Chrome extension:

  • Monitors your browsing on Twitter/X.com to identify profile pages you visit
  • Stores up to 9 recently viewed profiles in your browser's local storage
  • Caches analytics data temporarily to improve performance
  • Requires permissions to access and inject content on Twitter/X.com domains

How We Use Your Information

We use the collected information to:

  • Provide Twitter analytics and growth insights for profiles you track
  • Display real-time statistics when you visit Twitter profiles
  • Maintain historical data for trend analysis and comparative metrics
  • Authenticate your account and maintain secure sessions
  • Monitor system performance and troubleshoot technical issues
  • Improve our service based on usage patterns

Data Sharing and Third Parties

We share information with the following third-party services:

External APIs and Services

  • Axiom: We send operational logs and error reports for system monitoring and debugging
  • Convex: Our database and backend infrastructure provider that stores all collected data
  • Polar: Handles subscription management and billing for premium features

Authentication Providers

  • Google OAuth: For secure account creation and login
  • Twitter OAuth: For connecting your Twitter account and accessing profile information

We do not sell, rent, or share your personal information with third parties for marketing purposes.

Data Retention

We retain your information as follows:

  • Account Data: Retained while your account remains active
  • Twitter Analytics Data: Stored indefinitely to provide historical trend analysis
  • Usage Logs: Retained for operational monitoring and system improvement
  • Browser Extension Data: Cached locally in your browser and cleared based on your browser settings

If you wish to delete your account and associated data, please contact us at the email address provided below.

Your Rights and Choices

You have the right to:

  • Access the personal information we have collected about you
  • Request correction of inaccurate or incomplete information
  • Request deletion of your account and associated personal data
  • Opt out of our Chrome extension by uninstalling it from your browser
  • Disconnect third-party account integrations (Google, Twitter) from your account settings
  • Control which Twitter profiles you track through our platform

Data Security

We implement appropriate technical and organizational measures to protect your information:

  • Secure authentication using industry-standard OAuth protocols
  • Encrypted data transmission and storage
  • Regular security monitoring and logging
  • Limited access to personal data on a need-to-know basis
  • Secure API integrations with rate limiting and access controls

Chrome Extension Permissions

Our Chrome extension requires the following permissions:

  • Host permissions for x.com: To detect when you visit Twitter profiles and inject our analytics overlay
  • Storage permission: To cache analytics data and store recently viewed profiles locally
  • Background service: To maintain authentication status and sync data with our servers

You can revoke these permissions or uninstall the extension at any time through your browser's extension management page.

Changes to This Policy

We may update this privacy policy from time to time. When we make changes, we will update the "Last updated" date at the top of this policy. For significant changes, we will notify you via email or through a notice on our platform.

Contact Us

If you have any questions about this privacy policy or our data practices, please contact us at:

Email: xfastr7@gmail.com

We will respond to your inquiry within 30 days.