Comparison

Concentration training. vs BookMarrow

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

Head to head
About

Concentration training.

Enhance your focus, productivity, and memory with targeted exercises. This app helps combat procrastination and improve logic and reflexes through engaging training modules.

Highlights
  • Improve focus and concentration
  • Boost productivity and overcome procrastination
  • Enhance logic and reflexes
  • Train memory recall
  • Engage with Schulte table exercises
  • Quick decision-making tasks
Features
Read full description

Are you looking to overcome procrastination and take your concentration, productivity, and focus to the next level? Dive into the "Concentration Training" app, your gateway to personal growth, motivation, and mastering concentration through targeted exercises. With consistent practice and training, you'll not only say goodbye to procrastination but also witness a significant boost in your productivity. Achieving focus on important tasks will become effortless, ensuring your work output is at its peak. This app is your trusted ally in enhancing focus for optimal productivity. Feeling distracted? Open the app and dive into a series of meticulously designed exercises. You'll quickly notice a shift in your focus and memory levels. Our exercises are made to not only refine your concentration but also to enhance your logic, memory, and reflexes, all essential for top-tier productivity. Here's what you can expect inside the "Concentration Training" app to increase your productivity: • Find the largest/smallest number, honing quick decision-making. • React promptly to color changes, enhancing reflexes. • Visual comparisons of figures, refining detailed focus. • Train memory recall with number and position exercises. • Identify matching images, sharpening focus and memory. • Engage with the Schulte table, a proven tool for concentration. • Swift direction swipes, reinforcing quick reflexes. • Memorize and arrange numbers, boosting memory and logical thinking. • ... and many more exercises designed to improve your focus! Whether you're a student, a professional, or someone aiming to boost day-to-day productivity, "Concentration Training" is your go-to app. It’s crafted with one goal in mind: to elevate your focus and productivity levels and help you achieve more in less time by using interesting exercises. Why "Concentration Training"? Combat Procrastination: Say goodbye to those unproductive hours and harness the power of focus. Elevate Performance: Notice a tangible difference in your tasks as your concentration and focus flourish. Revitalize Memory: Engage with exercises that boost memory recall, aiding you in managing tasks seamlessly. Experience the transformative benefits of tailored training and unlock unparalleled productivity, focus, and memory. Download "Concentration Training" and start your enhanced productivity journey today! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

BookMarrow

Features
Read full description

You read the book. Now actually use it. Most reading apps help you highlight and forget. BookMarrow is built for the part that matters: turning what you read into what you do. Take notes chapter by chapter, capture the lines worth remembering, and gather every takeaway into one place you'll actually return to. Made for nonfiction readers who want their books to change something. TAKE NOTES THAT STICK • Add a chapter and start writing instantly • Rich formatting — headings, bold, italic, bullets, and lists • Type, handwrite with Apple Pencil, or scan a page with your camera to pull the text straight into your notes TURN IDEAS INTO ACTION • Add "How to apply it" takeaways to any chapter or book • Everything collects in the Apply tab, grouped by book, so you can work through it and check each one off • Tag takeaways by topic to find them fast KEEP THE LINES WORTH REMEMBERING • Save favorite quotes with the book, author, and page • Browse them all in one beautiful Quotes collection • Search and filter across every book BUILD YOUR LIBRARY IN SECONDS • Search any title or scan a barcode — the cover and details fill in automatically • Organize books across Want to Read, Reading, and Read shelves • Drag to prioritize your reading queue, with your next book up front YOURS, EVERYWHERE • Syncs across iPhone and iPad with iCloud • Export any book's notes as Markdown or PDF Your notes live in your own iCloud. No account, no ads, no tracking. Stop collecting highlights you'll never open again. Start finishing books that change how you work and live.

Screenshots

Concentration training.4 screens
BookMarrow4 screens

Verdict

The call

The clearest difference is ads: BookMarrow at none against Concentration training.'s shown. BookMarrow also leads on update cadence (fortnightly vs every 5 weeks). On price, in-app purchases, device support and iOS requirement 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. Concentration training. sells 10 in-app purchases, starting at $1.99 per month and BookMarrow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Concentration training. ships an update every 5 weeks, BookMarrow fortnightly. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
Concentration training. versus BookMarrow: the parameters behind the verdict, then further details
ParameterConcentration training.BookMarrow
PriceFreeFree
Rating4.8 (42 ratings) — better—
Positive reviews94.9% of reviews—
Number of ratings42 — better—
Update frequencyEvery 5 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size29 MB4 MB
Age rating4+4+
DeveloperOlena GotsulyakJohnny Cox

In-app purchases

10 purchases

Concentration training.

Subscriptions5
  • Monthly plan$1.991 Month
  • Monthly subscription$3.991 Month
  • Annual plan$5.991 Year
Show 2 more
  • Monthly subscription$7.991 Month
  • Monthly subscription$14.991 Month
One-time5
  • Full version$3.99
  • Full version$4.99
  • Premium access$7.99
Show 2 more
  • Full version$9.99
  • Full version$19.99
1 purchases

BookMarrow

One-time1
  • BookMarrow Unlimited$4.99

Questions

Is Concentration training. free?
Concentration training. is free to download, with in-app purchases available.
Is BookMarrow free?
BookMarrow is free to download, with in-app purchases available.
Do Concentration training. or BookMarrow have ads?
Concentration training. shows ads; BookMarrow does not.
Which is updated more often, Concentration training. or BookMarrow?
Concentration training. ships an update every 5 weeks, and BookMarrow fortnightly. Most recently, Concentration training. was updated on October 10, 2026 and BookMarrow on October 13, 2026.

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