Comparison

memoryOS vs Memory Weaver Smart Review

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

Memory Weaver Smart Review

Features
Read full description

Turn PDFs into smart flashcards instantly. Memory Weaver reads your books, notes, and study materials, then uses AI to generate flashcards and summaries automatically. No typing. No manual card creation. Just import, Weave, and review. HOW IT WORKS 1. Import a PDF such as a textbook, lecture note, study guide, or research paper. 2. Open it and select the pages you want to study. 3. Tap Weave. AI reads your pages and generates flashcards and a summary in seconds. 4. Review your cards with spaced repetition, a science-backed system that helps you remember more over time. AI TUTOR Stuck on a concept? Ask the built-in AI Tutor about your material or any topic you are studying. Get a clear explanation, then turn it into flashcards with one tap and add them to your review schedule. STREAKS AND WEEKLY CHALLENGES Stay consistent. Memory Weaver tracks your daily review streak and weekly goals, including how many cards you review and how many days you study. BUILT FOR HOW YOU ACTUALLY STUDY - No account required. Your library and review data stay on your device. AI features send selected content for processing. - Flashcards, streaks, and review schedules are unlimited and free to use. - Full light and dark mode support. - Review sessions work offline. AI features require internet. FREE TRIAL AND PLUS Memory Weaver is free to download, and reviewing your cards is always free. New users get a 30-day free trial with up to 300 AI sessions, including Weave and AI Tutor combined. After the trial, you can continue reviewing your existing cards for free, or upgrade to Memory Weaver Plus for 300 AI sessions per month. Memory Weaver Plus: - Plus Monthly: $9.99/month, auto-renewing - Plus Annual: $59.99/year, auto-renewing Subscriptions are charged to your Apple ID and renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Prices may vary by region. This app is licensed under Apple's Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use: https://memory-weaver-site.onrender.com/terms Privacy Policy: https://memory-weaver-site.onrender.com/privacy

Screenshots

memoryOS4 screens
Memory Weaver Smart Review4 screens

Verdict

The call

The clearest difference is update cadence: memoryOS at every 2 weeks against Memory Weaver Smart Review's every 2 months. memoryOS also leads on chart position (#56 vs unranked). On price, ads, in-app purchases 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 23 in-app purchases, starting at $3.99 per 7 days and Memory Weaver Smart Review sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

memoryOS ships an update every 2 weeks, Memory Weaver Smart Review every 2 months. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 9 level
memoryOS versus Memory Weaver Smart Review: the parameters behind the verdict, then further details
ParametermemoryOSMemory Weaver Smart Review
PriceFreeFree
Rating4.9 (17K ratings) — better—
Positive reviews80.3% of reviews—
Number of ratings17K — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#56 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.215.1 — better
Further details — not scored
Size231 MB27 MB
Age rating4+4+
DeveloperEncoder Inc.ALI AMEER ISMAEL

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

Memory Weaver Smart Review

Not enough reviews yet to summarise bugs or requests.

In-app purchases

23 purchases

memoryOS

Subscriptions20
  • Student Weekly Plan$3.997 Days
  • Student Monthly Plan7 Days trial$5.991 Month
  • Expert Weekly Plan7 Days trial$6.997 Days
Show 17 more
  • Essential Weekly Plan7 Days trial$6.997 Days
  • Essential Monthly Plan7 Days trial$14.991 Month
  • Essential Monthly Plan2 variants$14.991 Month
  • Essential Monthly Plan$16.991 Month
  • Student 3 Months Plan$19.993 Months
  • Expert Monthly Plan$24.991 Month
  • Expert Monthly Plan$29.991 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 Plan1 Month trial$149.991 Year
  • Expert Annual Plan7 Days trial$174.991 Year
  • Expert Annual Plan1 Month trial$174.991 Year
One-time3
  • 10 Hearts$0.99
  • 10 Loci Coins$2.99
  • 50 Loci Coins$14.99
2 purchases

Memory Weaver Smart Review

Subscriptions2
  • Memory Weaver Plus Monthly$9.991 Month
  • Memory Weaver Plus Monthly$59.991 Year

Questions

Is memoryOS free?
memoryOS is free to download, with in-app purchases available.
Is Memory Weaver Smart Review free?
Memory Weaver Smart Review is free to download, with in-app purchases available.
Do memoryOS or Memory Weaver Smart Review have ads?
Neither memoryOS nor Memory Weaver Smart Review shows ads.
Which is updated more often, memoryOS or Memory Weaver Smart Review?
memoryOS ships an update every 2 weeks, and Memory Weaver Smart Review every 2 months. Most recently, memoryOS was updated on October 24, 2026 and Memory Weaver Smart Review on October 5, 2026.

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