AppBrain
AppBrain
  • Apps
  • Apps being viewed right now Trending apps today Most popular apps All-time most installed apps Top rated apps iPhone and iPad apps
  • Intelligence ▾
    Intelligence overview → Track any Android app or your whole market
    Track & analyze
    Keyword Tracker & OptimizerTrack & improve Play rankings App Performance ReportOne-off PDF for any app StatisticsFree Android & Play market stats
    Promote your app
    Featured Apps App Links
  • Intelligence
  • Pricing
  • Dashboard
  • Sign up
  • Log in
App Store Apps > Education > Oivalla: Master Any Topic
Oivalla: Master Any Topic icon

Oivalla: Master Any Topic

1.10.0
Invisible Hours
0.00
0 reviews
Free

Oivalla: Master Any Topic Screenshot 1 of 8
Oivalla: Master Any Topic Screenshot 2 of 8
Oivalla: Master Any Topic Screenshot 3 of 8
Oivalla: Master Any Topic Screenshot 4 of 8
Oivalla: Master Any Topic Screenshot 5 of 8
Oivalla: Master Any Topic Screenshot 6 of 8
Oivalla: Master Any Topic Screenshot 7 of 8
Oivalla: Master Any Topic Screenshot 8 of 8
Screenshots by Invisible Hours, from the the App Store listing
View on the App Store

AppBrain's verdict

Last updated
May 4, 2026
Size
72.4 MB
Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on Oivalla: Master Any Topic for iOS

We don't have enough comments to show example comments. Please check back later.

Store listing

By Invisible Hours, from the App Store
Description by Invisible Hours Written by the developer, not by AppBrain. Click to read.
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

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

Alternatives

Similar apps and more from Invisible Hours

Alternatives to Oivalla: Master Any Topic

TenSteps: Learn Anything 10x icon TenSteps: Learn Anything 10x
亦栋 吴
0.0
Free
Muffin: Learn English icon Muffin: Learn English
HAMZA ISSA
0.0
Free
Orator: Talk Like You Mean It icon Orator: Talk Like You Mean It
Future AI Labs Ltd
0.0
Free
AI Course Creator - AiCoursify icon AI Course Creator - AiCoursify
Content Petit LLC
0.0
Free
Coursify - Master Any Topic icon Coursify - Master Any Topic
Alexander Kotov
0.0
Free
Clio: Learn AI, Understand AI icon Clio: Learn AI, Understand AI
Andrii Zakharov
0.0
Free
Cram AI – Talking Tutor icon Cram AI – Talking Tutor
Known Development LLC
4.3
Free
7 ratings
AI Podcasts - Yap icon AI Podcasts - Yap
Emily Labs
5.0
Free
4 ratings

More from Invisible Hours

Seriatim Reader icon Seriatim Reader
Invisible Hours
4.9
Free
12 ratings

Rankings

App Store top charts

App Store Rankings for Oivalla: Master Any Topic

This app is not ranked

About the app and developer

About Oivalla: Master Any Topic

Oivalla: Master Any Topic is an education app developed by Invisible Hours.

User Ratings

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

Invisible Hours

Address:

Share Oivalla: Master Any Topic

Price drops on Google Play Popular Education Apps Apps other people are watching Top new apps Today's trending apps
TenSteps: Learn Anything 10x icon TenSteps: Learn Anything 10x
Muffin: Learn English icon Muffin: Learn English
Orator: Talk Like You Mean It icon Orator: Talk Like You Mean It
AI Course Creator - AiCoursify icon AI Course Creator - AiCoursify
Coursify - Master Any Topic icon Coursify - Master Any Topic
Clio: Learn AI, Understand AI icon Clio: Learn AI, Understand AI
Cram AI – Talking Tutor icon Cram AI – Talking Tutor
AI Podcasts - Yap icon AI Podcasts - Yap
Overview Alternatives Reviews Rankings Technology
AppBrain Intelligence premium content

Subscribe now to get full and unlimited access to AppBrain Intelligence. You'll have access to:

  • App Intelligence dashboard (performance timeline, competitor comparison, country rankings, insight cards)
  • Detailed ranking data per app
  • Full timeline per developer
  • Device market shares data per country
  • Unlimited keyword tracking
1 Month

$75/mo
(billed every month)

SAVE 0%
Subscribe
3 Months

$65/mo
($195 billed every 3 months)

SAVE 13%
Subscribe
1 Year

$57.50/mo
($690 billed every year)

SAVE 23%
Subscribe
Each subscription will automatically renew 3 days before the expiration date for the same time period. Subscriptions can be cancelled at any time before the renewal.

AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners.

More apps

  • Top Android apps being viewed
  • Funzpoints Casino: Money guia
  • Tumile - Live Video Chat for Android
  • Movirea

App statistics

  • Android statistics
  • Google Play Developer stats
  • Trending Android Apps
  • Trending iOS apps
  • Top popular Apps
  • Buy the best Android phone
  • Buy & sell app businesses

About AppBrain

  • Contact
  • Privacy
  • Documentation
  • DMCA takedowns
  • Blog
  • Top Free Games Apps for your iPhone or iPad
© 2010-2026 - AppBrain