Comparison

Deepstash vs Perfusion Mind

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

Head to head
About

Deepstash

Discover bite-sized knowledge from popular books in just 5 minutes a day. Beautifully designed idea cards condense profound thoughts into memorable, visual insights. Fuel your curiosity and grow smarter with curated content tailored to your interests.

Highlights
  • Bite-sized knowledge cards
  • Curated insights from popular books
  • Personalized content feeds
  • Organize ideas into collections
  • Share discoveries with friends
  • Offline access (Pro)
Features
Read full description

Learn something new in just 5 minutes a day with carefully curated ideas from the world's most popular books, presented through beautiful art and a delightfully focused reading experience. Stop Scrolling Social Media -> Download Deepstash -> Use it for 5 min/day -> Become the smartest person in the room. Join 11 million+ people discovering powerful insights from books like Atomic Habits, The Psychology of Money, Think and Grow Rich, and hundreds more, all distilled into bite-sized ideas you can read at a glance. ------ WHAT MAKES DEEPSTASH DIFFERENT Knowledge in Deepstash comes as beautifully designed idea cards: short, visual notes that condense profound thoughts from bestselling books into simple, memorable insights. Each idea is paired with stunning artwork that makes learning feel less like work and more like inspiration. No clutter. No distractions. Just focused, delightful content that helps you grow smarter every day. ------ WHAT IDEAS CAN DO FOR YOU Ideas are fundamental to your wellbeing, your success, and your career. Reading powerful ideas daily can make you: - Smarter (you'll know more valuable concepts) - More Creative (you can connect more dots) - Happier (better habits, less anxiety) Fuel your curiosity and get smarter daily. ------ PERSONALIZED CONTENT & FEEDS Choose topics you care about: productivity, leadership, psychology, philosophy, marketing, and more. As you read and save ideas, we learn what resonates with you and surface the best of our curated library of insights from top books. You don't even have to work for it. We refresh your recommendations multiple times a day so you never run out of fresh ideas. ------ FREE & PRO: WHAT'S THE DIFFERENCE? - Start Free Access 200,000+ powerful ideas from top books, articles, podcasts, and videos Create and share your own ideas - Upgrade to Deepstash Pro No Ads: Read without interruptions Listen & Grow: Audio playback for all ideas Download Your Ideas: Access your library offline Unlimited History: Go back to everything you've read, organized by day ------ BUILD YOUR PERSONAL KNOWLEDGE LIBRARY Save ideas that matter to you and organize them into collections. Create stashes for work projects, personal growth goals, or topics you're passionate about. Search and filter your saved ideas anytime, so they're always at hand when you need them. ------ SHARE YOUR DISCOVERIES Found an idea worth spreading? Share it with friends on WhatsApp, Facebook, Twitter, Instagram, TikTok, LinkedIn, or Quora. The Deepstash bite-sized format is perfect for sparking conversations. ------ WHY OUR USERS LOVE DEEPSTASH: "It helped me get off social media. So excellent to learn something, and I feel like the time I spent was valuable. I also spend about 10 minutes every morning picking a topic and enjoying it. Great app, well-done Kudos" - Ron Ronald "Even five minutes a day will improve your thinking. I've come across new ideas and learnt to improve existing ways to become more motivated, confident and happier." - Ghazala Begum ------ WHAT THE MEDIA IS SAYING ABOUT US: "Learn good habits, health practices, and more on your time. Makes personal growth manageable" - Mashable "More than 200,000 game-changing ideas at your fingertips" - MacWorld "Deepstash is perfect for entrepreneurs who want to stay updated but are short on time." - Entrepreneur.com ------ Good for your career. Great for your life. Give it a shot! Read more about our terms and conditions here: Terms of service: https://deepstash.com/terms-of-service Privacy policy: https://deepstash.com/privacy-policy

About

Perfusion Mind

An AI-powered platform for perfusionists, students, and ECMO specialists. Access in-depth knowledge, research articles, and perform calculations. Developed by practicing professionals, it's a comprehensive tool for enhancing understanding and practice in perfusion.

Highlights
  • AI-powered learning platform
  • Trained on broad perfusion topics
  • Resource for perfusionists and students
  • Access peer-reviewed articles
  • Perform quick calculations
  • Developed by Certified Clinical Perfusionists
Features
Read full description

Perfusion Mind is an advanced artificial intelligence platform powered by a leading large language model. It has been developed by practicing Certified Clinical Perfusionists in the United States and is trained across a broad spectrum of perfusion topics. The platform serves as a valuable resource tailored for perfusionists, students, and ECMO specialists. Whether you need to deepen your understanding of complex concepts, access peer-reviewed articles, or perform quick calculations, the Perfusion Mind mobile app is your go-to perfusion assistant. Privacy Policy: https://perfusionmind.com/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Deepstash4 screens
Perfusion Mind4 screens

Verdict

The call

The clearest difference is review sentiment: Perfusion Mind at 100% against Deepstash's 30%. Perfusion Mind also leads on rating (5.0 vs 4.7). Deepstash's advantage is update cadence (every 4 days vs every 2 months) and ratings volume (88K vs 5). On price, ads, in-app purchases and monetization model 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. Deepstash sells 9 in-app purchases, starting at $12.99 per month and Perfusion Mind sells 5 in-app purchases, starting at $4.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Perfusion Mind holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Deepstash has 88K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 30% of Deepstash's written reviews are positive against 100% of Perfusion Mind's.

UpkeepUpdate frequency

Deepstash ships an update every 4 days, Perfusion Mind every 2 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 6 level
Deepstash versus Perfusion Mind: the parameters behind the verdict, then further details
ParameterDeepstashPerfusion Mind
PriceFreeFree
Rating4.7 (88K ratings)5.0 (5 ratings) — better
Positive reviews30.2% of reviews100.0% of reviews — better
Number of ratings88K — better5
Update frequencyEvery 4 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
Best chart rank#4 — better—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.0 — better
Further details — not scored
Size160 MB50 MB
Age rating4+17+
DeveloperBrainstash, IncPerfusion Mind, LLC

Customer experience

Deepstash

All ratings84,727 ratings
Positive92.4%
Neutral2.7%
Negative4.9%
Written reviews3,915 reviews
Positive30.2%
Neutral5.7%
Negative64.1%

Perfusion Mind

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Deepstash

Reported bugs

4 issues
  • Login details not working
  • Subscription issues and difficulty getting refunds
  • Inability to edit or remove saved content
  • Frequent crashes and loading issues

Requested features

5 requests
  • Add ability to save and organize content without subscription
  • Improve search and discovery of relevant content
  • Provide more in-depth and diverse content
  • Add audio/podcast functionality
  • Improve overall user experience and reduce distractions

Perfusion Mind

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Deepstash

Subscriptions9
  • Pro Monthly Subscription$12.991 Month
  • Pro Monthly Subscription$19.991 Month
  • Pro 3 Months Subscription$29.993 Months
Show 6 more
  • Pro 3 Months Subscription3 Months trial$59.993 Months
  • Pro Yearly Subscription$69.991 Year
  • Pro Yearly Subscription7 Days trial$69.991 Year
  • Pro Yearly Subscription7 Days trial2 variants$89.991 Year
  • Pro Yearly Subscription1 Year trial$89.991 Year
  • Pro Yearly Subscription7 Days trial$99.991 Year
5 purchases

Perfusion Mind

Subscriptions5
  • Basic - Monthly Subscription$4.001 Month
  • Premium - Monthly Subscription$7.001 Month
  • Basic - Yearly Subscription$45.001 Year
Show 2 more
  • Premium - Yearly Subscription$75.001 Year
  • Pro - Yearly Subscription$150.001 Year

Questions

Is Deepstash free?
Deepstash is free to download, with in-app purchases available.
Is Perfusion Mind free?
Perfusion Mind is free to download, with in-app purchases available.
Which has better reviews, Deepstash or Perfusion Mind?
Perfusion Mind is rated higher. Deepstash averages 4.7 out of 5 from 88K ratings, while Perfusion Mind averages 5.0 from 5 ratings.
Do Deepstash or Perfusion Mind have ads?
Neither Deepstash nor Perfusion Mind shows ads.
Which is updated more often, Deepstash or Perfusion Mind?
Deepstash ships an update every 4 days, and Perfusion Mind every 2 months. Most recently, Deepstash was updated on November 5, 2026 and Perfusion Mind on October 30, 2026.

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