Privacy Policy
Last updated: May 30, 2026
1. Introduction
FlowCastle ("we", "us", "our") operates the flowcastle.ai website. This Privacy Policy explains how we collect, use, and protect your personal information when you visit our website or create an account.
2. Information We Collect
Information you provide
- Email address — when you create an account or contact us
Information collected automatically
- Analytics and session replay data — we use PostHog to understand website usage, including pages visited, clicks, rough device/browser/location data, referrer and campaign data, and privacy-masked session replay recordings. We mask form inputs and do not intentionally record passwords, tokens, or payment data.
- Language preference — stored in your browser's local storage
3. How We Use Your Information
- To support account creation and onboarding
- To send occasional product updates (you can unsubscribe at any time)
- To improve our website and user experience
4. Data Sharing
We do not sell, trade, or rent your personal information to third parties. We may share data with:
- PostHog — for product analytics and privacy-masked session replay (governed by PostHog's Privacy Policy)
- Service providers — who help us operate the website, account flows, email delivery, and hosting, bound by confidentiality agreements
5. Data Retention
We retain your account and contact data for as long as necessary to fulfill the purposes described above. You may request deletion of your data at any time by contacting us.
6. Your Rights
Depending on your location, you may have the right to:
- Access the personal data we hold about you
- Request correction or deletion of your data
- Withdraw consent for data processing
- Request a copy of your data in a portable format
To exercise any of these rights, contact us at the email below.
7. Cookies & Local Storage
We use PostHog cookies and local storage for product analytics and privacy-masked session replay. We also store your language preference in browser local storage. We do not use advertising cookies or sell personal data.
8. Security
We implement appropriate technical and organizational measures to protect your personal data. However, no method of transmission over the Internet is 100% secure.
9. Changes to This Policy
We may update this policy from time to time. Changes will be posted on this page with an updated date. Continued use of the website constitutes acceptance of any changes.
10. Contact Us
If you have questions about this Privacy Policy or want to exercise your data rights, contact us at: