Comparison

Mental Math vs ThinkFast

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

ThinkFast

Test your knowledge and speed with a challenging quiz game. Answer difficult questions across various subjects in a limited time. It's a fun way to increase and maintain your knowledge on the go.

Highlights
  • Timed challenges
  • Multiple subject categories
  • Daily knowledge boost
  • Apple Watch support
  • Constant question updates
Features
Read full description

Are you intelligent? Well informed? Have an answer for every question? Really? All well and good, but we bet that you cannot answer 5 questions correctly in 20 seconds. ThinkFast is not only fun, but also challenges you to answers difficult questions quickly. With this App, that also runs on the Apple Watch, you receive new challenging questions on different subjects: · Science · Geography · Music · Mathematics · Politics · Sport · Comedy New questions are added all the time and App is constantly being developed. ThinkFast is your daily companion helping you challenge, increase and maintain your knowledge whilst having fun. Try it now!

Screenshots

Mental Math4 screens
ThinkFast2 screens

Verdict

The call

The clearest difference is update cadence: ThinkFast at every 10 days against Mental Math's every 3 months. ThinkFast also leads on price ($0.99 vs $2.99). Mental Math's advantage is review sentiment (90% vs 75%) and chart position (#46 vs unranked). 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

Mental Math costs $2.99 and ThinkFast $0.99 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, ThinkFast every 10 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 5 level
Mental Math versus ThinkFast: the parameters behind the verdict, then further details
ParameterMental MathThinkFast
Price$2.99$0.99 — better
Rating4.7 (44 ratings) — better—
Positive reviews90.2% of reviews — better75.0% of reviews
Number of ratings44 — better—
Update frequencyEvery 3 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank#46 — better—
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS10.3 — better12.0
Further details — not scored
Size22 MB4 MB
Age rating4+4+
DeveloperTrilliarden Entertainment GmbHRHS International GmbH

Customer experience

Mental Math

All ratings44 ratings
Positive93.2%
Neutral2.3%
Negative4.5%
Written reviews275 reviews
Positive90.2%
Neutral6.2%
Negative3.6%

ThinkFast

Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

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

ThinkFast

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mental Math

No in-app purchases

None

ThinkFast

No in-app purchases

Questions

Is Mental Math free?
Mental Math costs $2.99, with no in-app purchases.
Is ThinkFast free?
ThinkFast costs $0.99, with no in-app purchases.
Do Mental Math or ThinkFast have ads?
Neither Mental Math nor ThinkFast shows ads.
Which is updated more often, Mental Math or ThinkFast?
Mental Math ships an update every 3 months, and ThinkFast every 10 days. Most recently, Mental Math was updated on October 14, 2026 and ThinkFast on October 9, 2026.

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