Comparison

Kinnu vs Pratfoundy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Kinnu

This app offers bite-sized learning content across a wide range of subjects, from psychology and science to history and technology. It utilizes cognitive science and a unique "Memory Shield" technology to help users retain information effectively, making learning engaging and fun.

Highlights
  • Bite-sized, expert-edited content
  • Memory Shield technology for retention
  • Gamified learning sessions
  • Community-driven content development
  • Knowledge Bank progress tracking
  • Interactive, adaptive questions
  • Audio versions of content
Features
Read full description

We built Kinnu to give everyone the power to learn anything they want to, whatever their goals. With Kinnu you can: Follow your curiosity Become the most interesting person in the room Never forget what you’ve learned with our Memory Shield technology Find a cure to doomscrolling on social media Our microlearning app harnesses cognitive science to help you build lasting knowledge across many domains. It’s the product of several years of research from experts in the science of learning. Popular courses: Psychology: Mental Health, Positive Psychology, Superpower Learning, Cognitive Biases Lifeskills: Personal Finance, Persuasion, Communications Health: Science of Sleep, Science of Exercise, Healthy Habits Science: Laws of Physics, Fungi, Astronomy, Quantum Physics, Chemistry, Zoology History: World History, Ancient Civilizations, Near Modern Civilizations, Rome Technology: Artificial Intelligence, Generative AI, Cybersecurity, Data Science Literature: Poetry, Folklore, 10 Great Novels, Shakespeare Absolutely Random: Dinosaurs, Greek Mythology, Secret Societies and Cults, Video Games Product features: Bite-sized, expert edited content Memory Shield technology – a new method to never forget what you’ve learned Highly addictive gamified learning sessions Community votes on where to take the app next Track your progress and watch your mind grow with the Knowledge Bank Super clean design that makes daily learning a joy Map based design to explore content and conquer new areas Interactive, adaptive questions and games to refresh and retain your knowledge. Audio version of all content to learn on the go What our users say about us: “Literally feel myself getting smarter using this app… the questions wire stuff to my brain when I do the smart session every day.” “Learning has never been this fun. Engaging, interesting, diverse. Kinnu has it all.” “Fun, easy to use. Super fun to have short little bites of education on tons of interesting topics.” “It’s amazing, and it’s enhancing my life.” Do you have an idea about how we could make our app and its content even better? Email us at support@kinnu.xyz - we listen, and we hear you. SUBSCRIPTION This app contains an optional in-app subscription. Payment will be charged to your iTunes Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage subscriptions in your App Store account settings. By using this app, you agree to the Kinnu Terms of Use: https://kinnu.xyz/terms Privacy Notice: https://kinnu.xyz/privacy Email: support@kinnu.xyz

About

Pratfoundy

Features
Read full description

Want to start a business but don't know where to begin? Pratfoundy helps you use your spare time to learn how business works. Instead of spending hours searching for useful information, you can build your knowledge through short, interactive lessons that are easy to fit into your day. Whether you're exploring your first business idea, preparing to start something of your own, or simply want to become more business-minded, Pratfoundy gives you a structured place to begin. LEARN THE FUNDAMENTALS Explore entrepreneurship, finance, marketing, sales, and management. Understand how businesses create value, attract customers, manage money, and make decisions. The goal is to help you build a solid foundation and develop a clearer understanding of business before putting your ideas into practice. SHORT LESSONS THAT MAKE YOU THINK Learn through interactive questions and practical examples rather than long lectures. Each lesson helps you understand a concept, test your knowledge, and reinforce what you've learned. Choose your knowledge level and areas of interest, then progress at your own pace. MAKE YOUR SPARE TIME COUNT Set a daily learning goal of 5–20 minutes. Complete lessons, earn XP, build streaks, and track your progress as you go. With 250 lessons across five core topics, there's always something new to learn — whether you have five minutes or a little more time. You don't need previous business experience or a fully formed idea. Start with the basics, learn consistently, and build the knowledge to take your next steps with more confidence. Privacy Policy: https://pratfoundy.app/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Kinnu4 screens
Pratfoundy4 screens

Verdict

The call

The clearest difference is ads: Kinnu at none against Pratfoundy's shown. Kinnu also leads on update cadence (every 6 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Kinnu sells 4 in-app purchases, starting at $1.99 per month and Pratfoundy sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Kinnu ships an update every 6 days, Pratfoundy every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Kinnu versus Pratfoundy: the parameters behind the verdict, then further details
ParameterKinnuPratfoundy
PriceFreeFree
Rating4.8 (516 ratings) — better—
Positive reviews87.2% of reviews—
Number of ratings516 — better—
Update frequencyEvery 6 days — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.4 — better
Further details — not scored
Size101 MB70 MB
Age rating12+12+
DeveloperKinnu LimitedKONSTANTINS VLADISEVS

Bugs and requests

Kinnu

Reported bugs

4 issues
  • Frequent app crashes
  • Progress and data loss issues
  • Syncing problems
  • Compatibility issues with older devices

Requested features

5 requests
  • Ability to highlight or take notes
  • More in-depth content and sources
  • Customization options (e.g., dark mode)
  • Ability to connect with others
  • Improved notification and reminder system

Pratfoundy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Kinnu

Subscriptions1
  • Monthly$1.991 Month
One-time3
  • Kinnu Certificate$7.99
  • Kinnu Certificate$14.99
  • Kinnu Certificate$19.99
5 purchases

Pratfoundy

Subscriptions2
  • Monthly Premium$1.991 Month
  • Annual Premium$12.991 Year
One-time3
  • Support the project (small)$1.99
  • Support the project (medium)$3.99
  • Support the project (large)$12.99

Questions

Is Kinnu free?
Kinnu is free to download, with in-app purchases available.
Is Pratfoundy free?
Pratfoundy is free to download, with in-app purchases available.
Do Kinnu or Pratfoundy have ads?
Pratfoundy shows ads; Kinnu does not.
Which is updated more often, Kinnu or Pratfoundy?
Kinnu ships an update every 6 days, and Pratfoundy every 2 months. Most recently, Kinnu was updated on November 3, 2026 and Pratfoundy on October 31, 2026.

Other comparisons