What are cookies?
Cookies are small text files placed on your device when you visit a website or use a web app. They help the site remember whether you're signed in, your preferences, and how you use the service.
Some cookies are essential for the service to work. Others help us understand how people use Herstia so we can improve it. We explain each type below.
Who we are
Herstia is an AI-powered home maintenance app for UK homeowners, available at app.herstia.com and herstia.com. We are the data controller for the purposes of UK GDPR. If you have questions about this policy, contact us at hello@herstia.com.
Cookies we use
Essential cookies No consent required
These are strictly necessary for Herstia to work. Without them you cannot sign in or use the app. We do not need your consent to set these cookies.
sb-auth-token
Set when you sign in via Google or magic link. Keeps you authenticated while using the app. Expires after 7 days of inactivity. Set by Supabase.
CSRF / security tokens
Short-lived tokens that protect form submissions against cross-site request forgery. Session-scoped. Set by Supabase.
Analytics cookies Consent required
We use PostHog to understand how people use Herstia — which screens they visit, where they drop off, and whether features work as intended. These cookies are only set after you accept analytics cookies.
ph_distinct_id
Assigns an anonymous identifier to your browser so PostHog can count unique users and track sessions without identifying you personally. Persists for 1 year. Set by PostHog (EU region, GDPR-compliant).
ph_session_id
Tracks a single browsing session. Expires after 30 minutes of inactivity. Set by PostHog.
ph_initial_referrer
Records the page that referred you to Herstia on your first visit, so we can understand which channels bring people to the product. Persists for 1 year. Set by PostHog.
What we do not do
- –We do not use advertising or targeting cookies.
- –We do not sell your data to third parties.
- –We do not use cookies to build advertising profiles.
- –PostHog is configured in the EU region — no analytics data is transferred outside the UK/EEA.
Your choices
- –Cookie banner — when you first visit herstia.com, a banner asks for your consent to analytics cookies. You can accept or decline at any time.
- –Browser settings — most browsers let you view, delete, and block cookies. Note that blocking essential cookies will prevent you from signing in to Herstia.
- –PostHog opt-out — PostHog respects the Do Not Track browser signal. You can also opt out at posthog.com/privacy.
Third-party services
The following services may set cookies or process data when you use Herstia:
- –Supabase — authentication and database. supabase.com/privacy
- –PostHog — product analytics, EU region. posthog.com/privacy
Changes to this policy
We may update this policy from time to time as we add new features or as legal requirements change. The "Last updated" date at the top reflects any changes. If we make material changes, we will notify signed-in users via the app.
Contact us
If you have any questions about how we use cookies or handle your data, please get in touch:
Website