1. Essential Session Cookie
OVOTUSSESSID keeps you signed in, associates requests with the correct session and protects forms. It contains a random identifier, never your password.
This page describes cookies and storage required for sign-in, reading, offline mode and Ovotus payments.
Last updated: September 12, 2026OVOTUSSESSID keeps you signed in, associates requests with the correct session and protects forms. It contains a random identifier, never your password.
The ovotus_language cookie may remember your language. Other interface preferences may be stored locally to avoid repeating choices.
Local or session storage may temporarily preserve navigation, current page, unsynchronized progress and pending operations.
IndexedDB and the App cache may store a protected technical copy of authorized books, covers and resources required offline.
This data is controlled by an entitlement expiry date and may be removed automatically.
Payment providers may use their own cookies for security, fraud prevention and confirmation. Their policies apply when their interface opens.
Ovotus currently uses no advertising cookie for behavioural targeting. This page and available choices will be updated if a non-essential tool is added.
You can erase cookies and site data from browser or App settings. This signs you out and removes offline books from that device.
Blocking essential cookies may prevent sign-in, secure forms, reading and certain payment operations.