memoryOS vs DEVASC 200
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Interactive bite-sized lessons
- Virtual Mind Palaces game
- Spaced repetition system
- Scientifically proven techniques
- Improve knowledge retention
- Memorize diverse information
Read full descriptionHide 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
DEVASC 200
Read full descriptionHide full description
This application is an independent study tool and is NOT affiliated with, endorsed by, sponsored by, or approved by Cisco Systems, Inc. Why ExamCert.App ? Online Mock Exam (Just like a real exam) Up to Date Questions. All Practice Sets updated every 2 weeks. Life time access & Life time free updates 98% Pass Guarantee in First attempt. Quality Question with explanation (Just like real questions) 24/7 Chat & Email Support Ready to Pass The Cisco Certified DevNet Associate (DEVASC 200-901) ? The exam measures proficiency across six key technical areas: Software Development and Design (15%): Basic software lifecycle, Git/version control, and data formats like JSON/XML. Understanding and Using APIs (20%): Consuming REST APIs, HTTP response codes, and authentication methods. Cisco Platforms and Development (15%): Utilizing Cisco SDKs and developer platforms (Meraki, DNA Center, ACI). Application Deployment and Security (15%): Docker/containers, CI/CD pipelines, and application security best practices. Infrastructure and Automation (20%): Model-driven programmability (YANG), Ansible, Terraform, and Puppet. Network Fundamentals (15%): IP services, switching, routing, and basic network connectivity. WHY CHOOSE OUR APP? 1000+ Practice Questions - Expertly crafted questions covering all exam objectives Detailed Explanations - Understand the "why" behind every answer Multiple Question Types - Single choice, multiple choice, drag-and-drop, and more Offline Mode - Study anywhere, anytime without internet connection Progress Tracking - Monitor your improvement with detailed statistics Study Guide - Comprehensive reading materials for each exam domain Daily Reminders - Stay on track with customizable study notifications STUDY MODES Practice Mode - Learn at your own pace with instant feedback Exam Simulation - Timed tests that mirror the real exam experience Review Mode - Focus on questions you've answered incorrectly Bookmarks - Save difficult questions for later review Performance Analytics - Track your readiness across all domains PREMIUM FEATURES Unlock the full potential of your exam preparation with Premium access: • Access to ALL 1000+ practice questions • Complete Study Guide with in-depth explanations • Unlimited exam simulations • Priority updates with new questions SUPPORT Have questions or feedback? Contact us at support@examcert.app Privacy Policy: https://www.examcert.app/privacy Terms of Service: https://www.examcert.app/terms DISCLAIMER "Cisco", "DEVASC", "200-901", "DevNet", and all related logos and trademarks are registered trademarks of Cisco Systems, Inc. All other trademarks are the property of their respective owners. The content provided in this app is for educational and practice purposes only. This app does not guarantee that you will pass the Cisco 200-901 DevNet Associate exam. The questions and materials in this app are based on publicly available information and community contributions. We do not claim ownership of any Cisco intellectual property. All certification names, exam codes, and related terminology are used solely for identification purposes under fair use. By using this app, you acknowledge that this is a third-party study resource and not an official Cisco product.
Screenshots
Verdict
The clearest difference is chart position: memoryOS at #56 against DEVASC 200's unranked. 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
Both are free to download. memoryOS sells 23 in-app purchases, starting at $3.99 per 7 days and DEVASC 200 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
memoryOS ships an update every 2 weeks, DEVASC 200 every 3 weeks. The most recent releases landed on October 26, 2026 and October 13, 2026 respectively.
| Parameter | memoryOS | DEVASC 200 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (17K ratings) — better | — |
| Positive reviews | 80.3% of reviews | — |
| Number of ratings | 17K — better | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #56 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 231 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Encoder Inc. | EXAMCERT 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
DEVASC 200
Not enough reviews yet to summarise bugs or requests.
In-app purchases
memoryOS
- Student Weekly Plan$3.997 Days
- Student Monthly Plan7 Days trial$5.991 Month
- Expert Weekly Plan7 Days trial$6.997 Days
Show 17 moreShow fewer
- 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
- 10 Hearts$0.99
- 10 Loci Coins$2.99
- 50 Loci Coins$14.99
DEVASC 200
- 200 AI Credits$1.99
- Unlock premium$5.99









