Comparison

PitchBop Pro vs memoryOS

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

Head to head
About

PitchBop Pro

This app helps musicians improve their ear training by playing musical phrases and having users replicate them on their instrument or voice. It uses AI to adapt difficulty and provides detailed feedback on pitch and rhythm accuracy.

Highlights
  • Call and Response model
  • AI-powered adaptive difficulty
  • Pitch and rhythmic complexity adjustment
  • Instrument-specific range settings
  • Metronome customization
  • Progress tracking
Features
Read full description

PitchBop is a melodic ear training app designed to help you improve the connection between your ear and your instrument by directly linking the level of skill to the accuracy of your performance. WHAT PITCHBOP DOES DIFFERENTLY Unlike most ear training apps where you answer by tapping on a screen without addressing the rhythmic aspect of what you hear, PitchBop offers a performance-like scenario where you listen and actually play your instrument or use your voice. Using the 'Call and Response' model, Dr. Bop, the resident jazz cat of PitchBop, plays a short phrase for you to listen to and allows you the same amount of time to repeat the phrase back to him to evaluate the accuracy of your performance. HOW PITCHBOP WORKS Behind the simple interface, there is a complex algorithm based on AI which creates endless melodies and adjusts the difficulty according to your progress. Using the 'Call and Response' model, Dr. Bop plays a short phrase for you to listen to and allows you the same amount of time to repeat the phrase back to him to evaluate the accuracy of your performance. Once the session is complete, you receive feedback on how well you did, and the difficulty level is set based on your performance so you can focus on playing without needing to worry about adjusting the settings. APP FEATURES + Pitch Complexity PitchBop creates calls with varying levels of pitch complexity on a scale of 1 to 9. Use this slider to set the complexity level. + Rhythmic Complexity Use this slider to set the rhythmic complexity level between 1 and 9. + Choose Your Instrument Tap the instrument name to see a list of instrument choices, then tap the name of your instrument to automatically set your available range. PitchBop can be used with a wide variety of instruments, including your voice. + Metronome Settings Set the metronome volume and choose if you want it to give you all four beats, one and three, two and four, or whichever combination of beats you prefer. + Profile Tab Visit the Profile Tab to study your progress. This information is only stored for Dr. Bop’s Game, however, not for Practice Mode. Additional details can be found by tapping the up and down arrows next to “Scale” to select the various scale and harmony types PitchBop uses for the calls and it will report the success rate and the Pitch and Rhythmic Complexity in your most recent “Call-and-Response” session. + Practice Mode settings Pitch Complexity Rhythmic Complexity Tempo Scale Range Always start on root on/off Number of calls per session Swing/Even Chromatic notes on/off ADDITIONAL GAME DETAILS BEFORE YOU START 1. Pay attention to the octave Your response must be in the same octave as Dr.Bop’s Call in order for it to be registered accurately. If it isn’t, even if the note is correct, you will see a lower score due to the incorrect octave. Example: For level 1 (when both sliders are all the way to the left) the starting note for the piano is C4 (the middle C). For the guitar, it is C4 as well (first fret on the B string or 5th fret on the G string) 2. Pay attention to the rhythm While the app may be called PitchBop, rhythm is still a big part of the game. Users should make sure to pay attention to the rhythm and try to be as accurate as they can in matching it. Responses played out of rhythm will lower your score. If the Calls feel a little too challenging, you can move the sliders all the way to the left and try starting from there. If this still feels like more than you’re comfortable with for now, you also have the option to go to the “more” tab and adjust the range to be as narrow as an octave. 3. Bluetooth and external devices Due to the diverse and often unpredictable nature of external devices, PitchBop is designed to use the device’s microphone and speaker. Bluetooth compatibility, however, will be addressed in a future update. For any other questions please contact us at support@pitchbop.com

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

Screenshots

PitchBop Pro4 screens
memoryOS4 screens

Verdict

The call

The clearest difference is price: memoryOS at Free against PitchBop Pro's $6.99. memoryOS also leads on rating (4.9 vs 3.7) and update cadence (every 2 weeks vs every 9 months). PitchBop Pro's advantage is in-app purchases (none vs 28) and iOS requirement (12.0 vs 15.2). On 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

memoryOS is free to download; PitchBop Pro costs $6.99 up front. memoryOS sells 23 in-app purchases, starting at $3.99 per 7 days. PitchBop Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

memoryOS holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: memoryOS has 17K ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 63% of PitchBop Pro's written reviews are positive against 80% of memoryOS's.

UpkeepUpdate frequency

PitchBop Pro ships an update every 9 months, memoryOS every 2 weeks. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.

Scorecard9 real differences · 2 level
PitchBop Pro versus memoryOS: the parameters behind the verdict, then further details
ParameterPitchBop PromemoryOS
Price$6.99Free — better
Rating3.7 (19 ratings)4.9 (17K ratings) — better
Positive reviews63.2% of reviews80.4% of reviews — better
Number of ratings1917K — better
Update frequencyEvery 9 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank—#52 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.2
Further details — not scored
Size126 MB248 MB
Age rating4+4+
DeveloperAntonis TsikandilakisEncoder Inc.

Customer experience

PitchBop Pro

All ratings19 ratings
Positive68.4%
Neutral5.3%
Negative26.3%
Written reviews19 reviews
Positive63.2%
Neutral10.5%
Negative26.3%

memoryOS

All ratings16,799 ratings
Positive97.2%
Neutral1.0%
Negative1.8%
Written reviews1,692 reviews
Positive80.4%
Neutral4.8%
Negative14.8%

Bugs and requests

PitchBop Pro

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

PitchBop Pro

No 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

Questions

Is PitchBop Pro free?
PitchBop Pro costs $6.99, with no in-app purchases.
Is memoryOS free?
memoryOS is free to download, with in-app purchases available.
Which has better reviews, PitchBop Pro or memoryOS?
memoryOS is rated higher. PitchBop Pro averages 3.7 out of 5 from 19 ratings, while memoryOS averages 4.9 from 17K ratings.
Do PitchBop Pro or memoryOS have ads?
Neither PitchBop Pro nor memoryOS shows ads.
Which is updated more often, PitchBop Pro or memoryOS?
PitchBop Pro ships an update every 9 months, and memoryOS every 2 weeks. Most recently, PitchBop Pro was updated on October 12, 2026 and memoryOS on October 21, 2026.

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