AppBrain's verdict
- Last updated
- May 4, 2026
- Size
- 72.4 MB
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Store listing
By Invisible Hours, from the App StoreDescription by Invisible Hours Written by the developer, not by AppBrain. Click to read.
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
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 72.4 MB
- Content rating
- High
Technologies used by Oivalla: Master Any Topic
Releases
Updates seen on the App Store- Version
- 1.10.0
- Launched
- March 2026
No changelog data
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About the app and developer
About Oivalla: Master Any Topic
Oivalla: Master Any Topic is an education app developed by Invisible Hours.
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The app has no ratings yet.
App Information
Oivalla: Master Any Topic is freely available from the App Store. The app size is 72.36 MB. The latest version available is 1.10.0. The last update was on May 4, 2026.
Technical Requirements
The app has a content rating of High Maturity. The app has been available on the App Store since March 2026.
Oivalla: Master Any Topic is made and published by Invisible Hours. AppBrain is an independent app data site and isn't affiliated with Invisible Hours. The app name, icon, screenshots and description belong to Invisible Hours and are shown as published on the App Store.
Developer information for Invisible Hours
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