Oivalla: Master Any Topic
Lesson Built Around You
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
Tired of reading things twice and still not remembering? Give Oivalla any topic, text, photo, or URL — it won't let you move on until you actually understand.
Tired of reading articles, watching tutorials, and taking notes, only to forget everything a week later?
It's not your fault. Your brain mistakes familiarity for understanding. You read something, think "yeah, I get this", and can't explain it an hour later. That's the fluency illusion, and every app that just shows you content makes it worse.
Oivalla fixes this. Type any topic, paste your notes, snap a photo, or drop a URL. Oivalla builds a personal course with micro-lessons and quizzes that prove real comprehension. You don't move on until you actually understand.
HOW IT WORKS
1. Type a topic, paste text, snap a photo, or share a URL
2. A quick diagnostic finds what you already know
3. Lessons explain concepts through analogies from your world
4. Quizzes prove you understand — with "here's why" feedback
5. New branches grow as your comprehension deepens
FITS YOUR LIFE
5, 10, 15, or 30-minute sessions. Learn on your commute, at lunch, or before bed. No rigid curriculum — learn what matters to you, when it matters.
WHY IT ACTUALLY WORKS
Your learning tree only grows when you prove comprehension. Every lesson adapts to your energy and what you already know. No wasted time. No fake progress.
No streaks. No badges. No illusions. Just the moment it actually clicks.
Free to try.
Questions? oivalla@invisiblehours.net
Privacy: https://oivalla.com/privacy
Terms: https://oivalla.com/terms
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
You can now generate even longer courses, and see the whole outlines.
The developer, Invisible Hours, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Invisible Hours UG (haftungsbeschrankt)
- Size
- 75.9 MB
- Category
- Education
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
16+
- 16+
- In-App Purchases
Yes
- Yearly subscription USD 79.99
- Monthly Subscription USD 14.99
- Copyright
- © Invisible Hours UG - 2026
