Comparison

Readlax vs Concentration training.

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

Head to head
About

Readlax

Enhance cognitive skills with a suite of tools including memory games, speed reading exercises, and a habit tracker. Improve focus, learn touch typing, and organize knowledge with smart note-taking features.

Highlights
  • Habit tracker
  • Memory games
  • Speed reading exercises
  • Smart note-taking
  • Focus timer
  • Touch typing training
Features
Read full description

Readlax - All-In-One Productivity Super App: - Habit tracker - Memory games - Speed reading - Smart notes - Focus timer Readlax provides the most popular and effective productivity apps on one platform: daily habit tracker, memory games, speed reading, focus and concentration, and note-taking. Habit tracker is a tool designed to help you monitor and build daily habits or routines. Memory games are games designed to challenge and improve memory skills. Most popular Readlax memory games: "Memory Grid", "Memory Number", and "Card Match". Speed reading is a technique designed to help people read texts faster than usual. It often involves minimizing subvocalization and expanding peripheral vision. Readlax provides many speed reading exercises: "Letter Grid", "Bigram", "Trigram", "Subvocalization". Readlax users improve their reading speed by an average of 50% in 2 weeks. Touch typing - the skill of typing without looking at the keys. Readlax has 37 touch typing exercises. Smart note-taking (slip-box method or “Zettelkasten”) - an effective note-taking method to store and organize your knowledge. Focus timer - a time management method based on 25-minute stretches of focused work broken by 5-minute breaks. HOW DOES IT WORK? - Play memory games; - Read books and news; - Train reading speed; - Train typing speed; - Take smart notes. Use the tracker to monitor your progress in memory games and speed reading training. Use notes to build a personal knowledge system. The focus timer will help you stay focused. REVIEWS: - "I engage in memory games every day" - "The speed reading modules have helped improve my reading speed" - "You should definitely try these memory games and speed reading exercises" - "“Memory Number” and “Card Match” are two of the loveliest games I’ve ever played" READLAX PRO PRICING & TERMS We offer the following Pro subscriptions: Monthly: $8.99 USD per month Annual: $44.99 USD per year Lifetime: $199.99 USD These prices are for United States customers. Pricing in other countries may vary, and actual charges may be converted to your local currency depending on your country of residence. Privacy Policy: https://www.readlax.com/legal/privacy-policy Terms of Service: https://www.readlax.com/legal/terms

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/

Screenshots

Readlax4 screens
Concentration training.4 screens

Verdict

The call

The clearest difference is ads: Readlax at none against Concentration training.'s shown. Concentration training.'s advantage is rating (4.8 vs 4.6). On price, review sentiment, ratings volume and update cadence 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. Readlax sells 5 in-app purchases, starting at $4.99 per month and Concentration training. sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Concentration training. holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 50 and 42 respectively. Written reviews split almost evenly too, at 95% and 95% positive.

UpkeepUpdate frequency

Readlax ships an update monthly, Concentration training. every 5 weeks. The most recent releases landed on August 27, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 8 level
Readlax versus Concentration training.: the parameters behind the verdict, then further details
ParameterReadlaxConcentration training.
PriceFreeFree
Rating4.6 (50 ratings)4.8 (42 ratings) — better
Positive reviews94.7% of reviews94.9% of reviews — better
Number of ratings50 — better42
Update frequencyMonthly — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.616.0 — better
Further details — not scored
Size65 MB29 MB
Age rating4+4+
DeveloperReadlax, Inc.Olena Gotsulyak

Customer experience

Readlax

All ratings46 ratings
Positive89.1%
Neutral0.0%
Negative10.9%
Written reviews75 reviews
Positive94.7%
Neutral0.0%
Negative5.3%

Concentration training.

All ratings42 ratings
Positive97.6%
Neutral0.0%
Negative2.4%
Written reviews59 reviews
Positive94.9%
Neutral1.7%
Negative3.4%

Bugs and requests

Readlax

Reported bugs

7 issues
  • Trial period confusion leading to unexpected charges
  • Difficulty understanding game stages/instructions
  • Visual clarity issues with text/background colors
  • Specific game glitches (e.g., Memory Number marking correct answers as incorrect)
  • App not working well on iPhone for one user
Show 2 more
  • Workout calendar not updating instantly
  • Some users unable to progress past the first game

Requested features

10 requests
  • Improve UI for better navigation
  • Add more game variety to reduce repetitiveness
  • Include a 'How to use the app' section
  • Add social media sharing for scores
  • Improve visibility of text in certain games
Show 5 more
  • Add reading aloud functionality
  • More reading material in Spanish
  • Option to select other articles
  • Add third level of complexity for some games
  • More puzzles and games

Concentration training.

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Readlax

Subscriptions4
  • Readlax PRO Monthly$4.991 Month
  • $5.99/month Subscription$5.991 Month
  • Readlax PRO Monthly$8.991 Month
Show 1 more
  • Readlax PRO Yearly$44.991 Year
One-time1
  • Readlax for Life, billed once$199.99
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

Questions

Is Readlax free?
Readlax is free to download, with in-app purchases available.
Is Concentration training. free?
Concentration training. is free to download, with in-app purchases available.
Which has better reviews, Readlax or Concentration training.?
Concentration training. is rated higher. Readlax averages 4.6 out of 5 from 50 ratings, while Concentration training. averages 4.8 from 42 ratings.
Do Readlax or Concentration training. have ads?
Concentration training. shows ads; Readlax does not.
Which is updated more often, Readlax or Concentration training.?
Readlax ships an update monthly, and Concentration training. every 5 weeks. Most recently, Readlax was updated on August 27, 2026 and Concentration training. on September 23, 2026.

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