Cookie Policy
Cookies & local storage
We keep this short and honest: here is everything we store in your browser and why.
| Name | Type | Purpose | Set by |
|---|---|---|---|
| _fbp, _fbc | Cookie | Ad measurement / attribution (Meta Pixel), set only when the pixel is enabled. | Meta |
| studyo_session | Cookie (httpOnly) | Keeps you signed in to the app. Essential; not readable by scripts. | Viznerve |
| studyo_auth | Local storage | A non-secret marker that a session exists (no token). Essential. | Viznerve |
| calenta_theme | Local storage | Remembers your light/dark preference. | Viznerve |
| viznerve_cookie_notice | Local storage | Remembers that you dismissed the cookie notice. | Viznerve |
| viznerve_cookie_consent | Local storage | Your accept/reject choice for analytics/ad cookies (EU/UK). Essential to honour your choice. | Viznerve |
| viznerve_requires_consent | Session storage | Caches whether your region needs an explicit opt-in, so we don't re-check every page. | Viznerve |
| viznerve_tour_v2_* | Local storage | Remembers your progress through the in-app product tour so it isn't repeated. | Viznerve |
| viznerve_just_onboarded | Local storage | A short-lived flag that shows the welcome tour right after you finish onboarding. | Viznerve |
Your choices
You can clear or block cookies in your browser settings at any time (essential storage may be required to stay signed in). To opt out of Meta ad measurement specifically, use your Meta ad preferences.
We honor Global Privacy Control: if your browser sends a GPC signal, the ad-measurement pixel is not loaded and no ad cookies are set.