
IN CLASS
Unclear? Circle it.
A formula in maths, a term in biology: circle it. The explanation is attached as a card right there – not in a chat somewhere else.
Circle & understand →FOR SCHOOL · AGES 16+
Worksheets, class notes, your own handwriting: in Otriva every subject has its binder. Circle what you don’t understand. Before the exam, Otriva quizzes you from your own notes.
Download free

IN CLASS
A formula in maths, a term in biology: circle it. The explanation is attached as a card right there – not in a chat somewhere else.
Circle & understand →

BEFORE THE EXAM
Cover answers in your notes and test yourself – on iPad or on the go on iPhone.
Quiz me & iPhone →
WHEN GERMAN IS NEW
Words and instructions explained in your native language, right beside the original – without giving away the solution.
Understand in your language →
One binder per subject in the cabinet, with topics and pages inside.

Import PDFs from Files and write on them with Apple Pencil.

On iPhone you see what’s on today – with the room.

Use “Quiz me” to cover answers, recall and reveal.
Otriva is made for upper secondary school, vocational school and university.
Writing, organizing and PDFs without a subscription. 5 free AI answers a month, 500 with Plus.
Your notes are stored on your device first and come to iPhone through optional iCloud sync.
Ages 16 and up. Otriva is made for upper secondary school, vocational school and university.
To write, an iPad with iPadOS 26 or later and a compatible Apple Pencil. On iPhone with iOS 26 you read your notes, see your timetable and study with “Quiz me”.
The app interface is currently in German. Language support explains German passages in English and other help languages.
Yes. AI is optional and stays off until you consent. Writing, organizing, PDFs and “Quiz me” work without it.