Comparison

Mental Math vs Concentrate! IQ Trainer

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

Head to head
About

Mental Math

Enhance your calculation skills with a variety of math exercises and difficulty levels. This brain training game offers engaging practice in arithmetic, percentages, Roman numerals, and more. It's designed to be fun and effective for all ages.

Highlights
  • Multiple exercise categories
  • Adjustable difficulty levels
  • Time limit options
  • Order of operations practice
  • Multiplication table drills
  • Roman numeral exercises
Currently charting
Read full description

The classic math trainer with over a million downloads! Choose your exercises from many categories and difficulty levels. From the reviews: "Great little App" "Easy and efficient" "Wonderful and fun" Boost your gray matter now! Here's a quick check: What's 7 × (4 + 9)? Needed more than five seconds? This can be better! With Mental Math you can playfully improve your mental calculation skills through various exercises. Image puzzles are an incentive to carry on practicing. Mental Math has been developed in collaboration with mathematics teachers and is successfully put to used in many schools. Choose the exercises from many categories: - Basic Arithmetics - Division with Remainder - Percentage Calculation - Reading and Writing Roman Numerals - Common Multiples and Divisors Moreover, there are - 4 Difficulty Levels - an adjustable Time Limit - Exercises in order of operations and braces - Exercises to practice specific Multiplication Tables

About

Concentrate! IQ Trainer

Features
Read full description

Welcome to Concentrate! IQ Trainer - the app designed to keep your brain fit and boost your mental performance in a fun way. Our aim is to help you reach your full potential by targeting skills such as concentration, mathematical thinking and pattern recognition. With a variety of varied and challenging exercises, you will train your brain a little more every day. Whether you want to improve your reaction time, strengthen your problem-solving skills or simply sharpen your memory - Konzentrier Dich! offers the ideal mix of fun and effective training. What makes the app special? Increase concentration: Exercises specifically designed to train your attention and resist distractions. Mathematical skills: Boost your logical thinking and mental arithmetic with stimulating tasks. Pattern recognition: Improve your ability to recognize connections and solve complex problems. Personal progress: Track your development over time and set yourself new goals. Make your daily brain training a fixed part of your routine and experience how you become mentally fitter and more efficient step by step. Concentrate! Start today and challenge yourself - your brain will thank you for it!

Screenshots

Mental Math4 screens
Concentrate! IQ Trainer3 screens

Verdict

The call

The clearest difference is price: Concentrate! IQ Trainer at Free against Mental Math's $2.99. Concentrate! IQ Trainer also leads on update cadence (monthly vs every 3 months). Mental Math's advantage is chart position (#51 vs unranked) and iOS requirement (10.3 vs 12.0). On 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

Concentrate! IQ Trainer is free to download; Mental Math costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Mental Math ships an update every 3 months, Concentrate! IQ Trainer monthly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 7 level
Mental Math versus Concentrate! IQ Trainer: the parameters behind the verdict, then further details
ParameterMental MathConcentrate! IQ Trainer
Price$2.99Free — better
Rating4.7 (45 ratings) — better—
Positive reviews90.2% of reviews—
Number of ratings45 — better—
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank#51 — better—
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.3 — better12.0
Further details — not scored
Size22 MB31 MB
Age rating4+4+
DeveloperTrilliarden Entertainment GmbHchristoph joshua BOLL

Bugs and requests

Mental Math

Reported bugs

2 issues
  • The app has stopped functioning in iOS 8
  • The keypad was changed around, which is confusing

Requested features

17 requests
  • Expand the difficulty of the problems
  • Better randomizer as there are a lot of repeats
  • Add tutorials on how the calculations are made
  • Allow users to create their own image library
  • Add a scoring mechanism based on time, correct answers and difficulty
Show 12 more
  • Add a timer that tells you your time after each try
  • Add 0-12 instead of 0-9
  • Add ability to practice single addition the same way as multiplication
  • Add American Division notation
  • Allow users to select their own notation
  • Change 'greatest common divisor' to 'greatest common factor'
  • Remove the 'Do you want to continue' prompt
  • Add more difficult Roman Numerals up to 1000
  • Add currency section
  • Add more options/selections for sound feedback
  • Add a stop watch for lesson duration (stats)
  • Add the ability to upload personal pics

Concentrate! IQ Trainer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mental Math

No in-app purchases

None

Concentrate! IQ Trainer

No in-app purchases

Questions

Is Mental Math free?
Mental Math costs $2.99, with no in-app purchases.
Is Concentrate! IQ Trainer free?
Concentrate! IQ Trainer is free to download, with no in-app purchases.
Do Mental Math or Concentrate! IQ Trainer have ads?
Neither Mental Math nor Concentrate! IQ Trainer shows ads.
Which is updated more often, Mental Math or Concentrate! IQ Trainer?
Mental Math ships an update every 3 months, and Concentrate! IQ Trainer monthly. Most recently, Mental Math was updated on October 31, 2026 and Concentrate! IQ Trainer on October 25, 2026.

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