Comparison

memoryOS vs Pop! Running

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

Head to head
About

memoryOS

Enhance your memory and focus with interactive lessons and a virtual mind palace game. Learn scientifically proven techniques to improve knowledge retention and recall a wide range of information, from names and numbers to complex data and entire books.

Highlights
  • Interactive bite-sized lessons
  • Virtual Mind Palaces game
  • Spaced repetition system
  • Scientifically proven techniques
  • Improve knowledge retention
  • Memorize diverse information
Features
Read full description

memoryOS contains interactive bite-sized lessons by a 2X World Memory Champion and an educational 3D game of Virtual Mind Palaces - all in one easy-to-use app. It utilizes scientifically proven memory techniques, spaced repetition and patented game mechanics to enhance long-term memory storage and improve knowledge retention. memoryOS is loved by 500,000+ people worldwide because it is a whole new, joyful & game-changing tool for obtaining the most effective memorization skills. Co-founded by Jonas von Essen, who went from struggling to remember to becoming a World Memory Champion, winning on Who Wants To Be a Millionaire, "Jeopardy, and setting a world record by memorizing 100,000 decimals of Pi . memoryOS app has over 18k public worldwide ratings on Apple and Google app stores combined, averaging 4.8 stars. Users also continue adding 5-star reviews daily, sharing how effective and life-changing memoryOS has been for them. Also, memoryOS remains the most crowdfunded app in Kickstarter’s history. Memorization is as important as reading and writing and should be taught as our base skill. Our mission is to enable millions of people to remember needed information easily. With memoryOS, you will learn how to memorize: - Names, Long speeches, Lists of items, Birthdays, Personal facts, Passwords, Trivia, Languages, Vocabulary and phrases, Countries and Capitals, Flags, Historical timeline, Numbers, Periodic table - Content of complete books, Dates of significant events, Complex data structures, Concepts, and figures - Art, Anatomy, Decks of cards, Advanced number systems; Long sequences of numbers, Binary Digits You will also learn: - How to keep track of years, months, weeks, and days - Advanced study techniques, Spaced Repetition system, Speed memorization Why did Google Brands Accelerator recognize memoryOS as being 'Light Years Ahead' in the memory space? • memoryOS delivers results: During our pre-launch phase, thousands of users completed our demo and, on average, had a 70% increase in recall and a 60% increase in recall speed just after the first ~40min session. • Providing your mind with structured storage space: We have spent tens of thousands of hours creating and optimizing our Virtual Mind Palaces, so you don’t have to spend months constructing your own the hard way. These virtual palaces serve as blueprints for your mind's storage space, allowing you to easily encode, store and recall like a memory champion. • A proven innovative approach that works: During our research and development stage, thousands of people of all age groups and even those with difficult medical conditions found memoryOS as an effective and useful tool. Actual results exceeded our team’s expectations. • Gamified edtech at its best: memoryOS has proven to work on people with no prior gaming experience - anyone can use it. Utilizing the power of the Unity game engine, memoryOS is widely accessible on all mobile and tablet devices and is soon coming to VR. -- Joining memoryOS is free. This provides extensive value on the free plan, and you are not obligated to pay to start using it. You can subscribe to a Student Premium plan for as low as $3.49/month when billed annually or $4.99/month when billed monthly (it can be 10-20% higher in some countries due to local taxes). You can subscribe through the 'Shop' section of the memoryOS app and find the above-mentioned or go to your App Store app's profile and choose a desired plan there. Recurring payments will automatically renew unless you cancel your account at least 24 hours before the end of the current subscription period. You can manage your subscription, cancel anytime, or turn off auto-renewal by accessing your iTunes account. Join the memoryOS community of over 500,000+ early adopters who share this memorable journey! -- Terms: memoryOS.com/terms Privacy policy: memoryOS.com/privacy-policy Learn more at: memoryOS.com Contact us: support@memoryOS.com

About

Pop! Running

Features
Read full description

Pop! Running is your mobile home base for better running — connecting you to your training community, expert resources, and coaching support, all in one place. Whether you're recovering from injury, chasing a PB, or just getting started, the Pop! Running system gives you the tools to run smarter and move better. What you get: - Access your Pop! Running community — discussions, announcements, and resources - Browse expert-led courses on running form, biomechanics, and injury prevention - Stay connected with coaching support and program updates For Rebuild coaching clients: If you're enrolled in the Rebuild program, the app gives you a dedicated dashboard to follow your program, log sessions, submit weekly check-ins, and view upcoming coaching calls. Rebuild is available by application to existing Pop! Running members. The Pop! Running approach Samuel Stow has broken down the biomechanics of running to build a system that promotes injury-free movement and efficient form. The unique combination of biomechanics training, movement ability, science-backed programming, and mindset coaching means any runner — at any level — can make real, lasting improvements. Whether you're running a 5K fun run or the Boston Marathon, Pop! Running gives your mind and body the strength and resilience to perform at your best.

Screenshots

memoryOS4 screens
Pop! Running4 screens

Verdict

The call

The clearest difference is in-app purchases: Pop! Running at none against memoryOS's 28. Pop! Running also leads on iOS requirement (13.0 vs 15.2). memoryOS's advantage is chart position (#66 vs unranked). On price, update cadence, ads and device support 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. memoryOS sells 20 in-app purchases, starting at $3.99 per 7 days. Pop! Running asks for nothing beyond the download.

UpkeepUpdate frequency

memoryOS ships an update every 3 weeks, Pop! Running every 10 days. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 8 level
memoryOS versus Pop! Running: the parameters behind the verdict, then further details
ParametermemoryOSPop! Running
PriceFreeFree
Rating4.9 (16K ratings) — better—
Positive reviews80.4% of reviews—
Number of ratings16K — better—
Update frequencyEvery 3 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#66 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.213.0 — better
Further details — not scored
Size248 MB61 MB
Age rating4+4+
DeveloperEncoder Inc.Stiley Lifestyle Pty Ltd

Bugs and requests

memoryOS

Reported bugs

5 issues
  • Login issues and account management problems
  • Frequent crashes and app instability
  • Navigation and UI elements not working as expected
  • Syncing issues between devices and lost progress
  • Connectivity problems when using cellular data

Requested features

5 requests
  • More free content and lessons
  • Ability to create custom memory palaces
  • Better progress tracking and analytics
  • Integration with other learning/productivity apps
  • Offline mode for lessons and memory palaces

Pop! Running

Not enough reviews yet to summarise bugs or requests.

In-app purchases

20 purchases

memoryOS

Subscriptions17
  • Student Weekly Plan$3.997 Days
  • Student Monthly Plan7 Days trial$4.991 Month
  • Expert Weekly Plan7 Days trial$6.997 Days
Show 14 more
  • Essential Weekly Plan7 Days trial$6.997 Days
  • Essential Monthly Plan3 variants$14.991 Month
  • Essential Monthly Plan7 Days trial$14.991 Month
  • Student 3 Months Plan$19.993 Months
  • Expert Monthly Plan2 variants$24.991 Month
  • Expert 3 Months Plan7 Days trial$49.993 Months
  • Expert 3 Months Plan$69.993 Months
  • Expert 6 Months Plan7 Days trial$89.996 Months
  • Essential Annual Plan1 Month trial$89.991 Year
  • Essential Annual Plan7 Days trial3 variants$89.991 Year
  • Essential Annual Plan14 Days trial$89.991 Year
  • Expert Annual Plan7 Days trial$148.991 Year
  • Expert Annual Plan7 Days trial$149.991 Year
  • Expert Annual Plan1 Month trial2 variants$149.991 Year
One-time3
  • 10 Hearts$0.99
  • 10 Loci Coins$2.99
  • 50 Loci Coins$14.99
None

Pop! Running

No in-app purchases

Questions

Is memoryOS free?
memoryOS is free to download, with in-app purchases available.
Is Pop! Running free?
Pop! Running is free to download, with no in-app purchases.
Do memoryOS or Pop! Running have ads?
Neither memoryOS nor Pop! Running shows ads.
Which is updated more often, memoryOS or Pop! Running?
memoryOS ships an update every 3 weeks, and Pop! Running every 10 days. Most recently, memoryOS was updated on September 26, 2026 and Pop! Running on September 18, 2026.

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