Comparison

Mindstone vs Kinnu

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

Head to head
About

Mindstone

Learn and master in-demand AI skills for your career and business. Access curated content, join a community of experts, and track your progress with AI-powered insights. Upgrade for personalized coaching and skill certifications.

Highlights
  • Curated AI content library
  • Community-driven learning
  • Progress tracking and skill profiles
  • AI-powered coaching (Pro/Enterprise)
  • Personalized adaptive learning (Pro/Enterprise)
  • Renewable skill badges
Features
Read full description

Build and advance the skills you need to use AI for better results in your work, business and beyond. Mindstone combines unlimited curated AI content, structured programs, community-driven learning, and AI-powered features to make learning easy and effective. Stay up-to-date on relevant and in-demand AI skills across any industry.
 With Mindstone, you can: - Access up-to-date and diverse AI content automatically, ensuring you stay current and save time. - Engage with a community of AI experts and peers, participating in free events and collaborative learning experiences. - Track your progress and build a verifiable skill profile, showcasing your achievements and preparing you for career advancement. When you upgrade to Pro/Enterprise: - Receive AI-powered coaching and insights that are relevant to your job, company and industry. - Enjoy personalised, adaptive learning experiences, with structured programs, hands-on projects, and Daily Bites designed to meet your professional needs. - Earn renewable skill badges and customize your learning to for in-demand roles and align your AI education with your job, company, and industry requirements. So that you’ll: - Feel confident starting and advancing in your AI learning journey. - Keep your skills up-to-date and relevant through rapid changes in AI technology. - Quickly integrate AI into your projects to accelerate your business growth. - Effectively scale AI training across your large organisation to stay competitive. Popular AI skills others are building with Mindstone: - Prompt Engineering with LLMs - No-Code/Low-Code Workflow Automation - Building Automation Systems - Customising GPT Applications - And more... 
The Mindstone app is free to download, giving you access to a global community, events, and our library of over 100 practical AI talks, demos, and tutorials. With our Pro & Enterprise plans, businesses can quickly train their teams to integrate AI into their projects and impact overall business goals.

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

Screenshots

Mindstone4 screens
Kinnu4 screens

Verdict

The call

The clearest difference is rating: Kinnu at 4.8 against Mindstone's 4.0. Kinnu also leads on review sentiment (87% vs 55%) and ratings volume (494 vs 7). On price, update cadence, ads and in-app purchases 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. Mindstone sells 1 one-off in-app purchase and Kinnu sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Kinnu holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Kinnu has 494 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 55% of Mindstone's written reviews are positive against 87% of Kinnu's.

UpkeepUpdate frequency

Mindstone ships an update every 8 days, Kinnu every 6 days. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
Mindstone versus Kinnu: the parameters behind the verdict, then further details
ParameterMindstoneKinnu
PriceFreeFree
Rating4.0 (7 ratings)4.8 (494 ratings) — better
Positive reviews54.5% of reviews87.3% of reviews — better
Number of ratings7494 — better
Update frequencyEvery 8 daysEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size174 MB101 MB
Age rating4+12+
DeveloperMindstone Learning limitedKinnu Limited

Customer experience

Mindstone

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews11 reviews
Positive54.5%
Neutral18.2%
Negative27.3%

Kinnu

All ratings494 ratings
Positive94.1%
Neutral2.0%
Negative3.8%
Written reviews283 reviews
Positive87.3%
Neutral4.9%
Negative7.8%

Bugs and requests

Mindstone

Not enough reviews yet to summarise bugs or 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

In-app purchases

1 purchases

Mindstone

One-time1
  • AI Competency (self-serve)$39.99
4 purchases

Kinnu

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

Questions

Is Mindstone free?
Mindstone is free to download, with in-app purchases available.
Is Kinnu free?
Kinnu is free to download, with in-app purchases available.
Which has better reviews, Mindstone or Kinnu?
Kinnu is rated higher. Mindstone averages 4.0 out of 5 from 7 ratings, while Kinnu averages 4.8 from 494 ratings.
Do Mindstone or Kinnu have ads?
Neither Mindstone nor Kinnu shows ads.
Which is updated more often, Mindstone or Kinnu?
Mindstone ships an update every 8 days, and Kinnu every 6 days. Most recently, Mindstone was updated on June 1, 2026 and Kinnu on September 25, 2026.

Other comparisons