Comparison

Fast Math vs Mental Math

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

Head to head
About

Fast Math

Master mental arithmetic with 59 lessons on addition, subtraction, multiplication, and division. Improve your calculation speed and accuracy through engaging training modes and friendly competition.

Highlights
  • 59 mental arithmetic lessons
  • Addition, subtraction, multiplication, division tips
  • Calculation checking techniques
  • Timed training mode
  • Game Center comparison
Features
Read full description

59 lessons to calculate faster! Learn the secrets of mental arithmetic and become the fastest calculator in the west. Tips to add, multiply, subtract, divide, square or even check the rightness of a calculation, give a boost to your brains! Train by answering as many questions as you can in one minute in the "Training" mode and compare your performance with your friends with the Game Center. Try it now and become the idol of your math teacher.

About

Mental Math

Enhance concentration and mental speed with daily mental math exercises. This app offers a minimalist approach to brain training, helping you prepare for deep work, studying, or important meetings. Track your progress and customize sessions to improve focus and cognitive clarity.

Highlights
  • Performance testing
  • Mental math training (add, subtract, multiply, divide)
  • Customizable exercises
  • Progress tracking
  • Minimalist design
  • Focus improvement
Features
Read full description

Train your brain. Sharpen focus. Improve mental speed. Modern life constantly fights for your attention. Notifications, multitasking, and digital noise make it harder to stay mentally sharp. Mental Math: Focus Trainer helps you rebuild focus using short daily mental math training sessions designed to improve concentration, processing speed, and mental clarity. This isn’t about becoming a math expert. It’s about using simple mental math exercises to activate your brain and enter a focused, high-performance state. Just 5 minutes of brain training can reset your attention and prepare you for deep work. HOW IT WORKS Think of it as a quick brain workout. A short session of mental math practice clears mental fog, activates focus, and strengthens your ability to concentrate. Use it: • before a deep work session • before studying • before an important meeting • as a daily brain training habit CORE FEATURES Performance Test (100 Questions) • measure mental speed and accuracy • track completion time • track accuracy • see questions per minute • get an overall performance score Mental Math Training Practice core arithmetic operations with multiple difficulty levels: • addition • subtraction • multiplication • division Choose the difficulty that matches your skill and gradually increase the challenge Custom Exercises Create your own mental math training: • choose operations (+ − × ÷) • choose difficulty levels • choose number of questions Progress Tracking • track mental speed • track accuracy • see progress across different difficulty levels • improve consistency over time Minimalist Design • no distractions • no noisy gamification • clean dark-mode interface WHY TRAIN MENTAL MATH? • improve concentration • boost mental processing speed • prepare your brain for deep work • build a daily focus ritual Reclaim your focus. Train your brain. One number at a time. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://denyskt-hub.github.io/mental-math

Screenshots

Fast Math4 screens
Mental Math4 screens

Verdict

The call

The clearest difference is review sentiment: Fast Math at 67% against Mental Math's 0%. Fast Math also leads on rating (5.0 vs 3.5) and monetization model (free vs freemium). Mental Math's advantage is update cadence (weekly vs every 4 months). On price, ratings volume, ads and in-app purchases 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. Fast Math sells 6 one-off in-app purchases and Mental Math sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Fast Math holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 67% of Fast Math's written reviews are positive against 0% of Mental Math's.

UpkeepUpdate frequency

Fast Math ships an update every 4 months, Mental Math weekly. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
Fast Math versus Mental Math: the parameters behind the verdict, then further details
ParameterFast MathMental Math
PriceFreeFree
Rating5.0 (2 ratings) — better3.5 (4 ratings)
Positive reviews66.7% of reviews — better0.0% of reviews
Number of ratings24 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size9 MB11 MB
Age rating4+4+
DeveloperMathieu BolardDenys Kotenko

Customer experience

Fast Math

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive66.7%
Neutral16.7%
Negative16.7%

Mental Math

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

6 purchases

Fast Math

One-time6
  • Turbo Boost$0.99
  • Perfect Squares$0.99
  • Divisibility$0.99
Show 3 more
  • Casting Out Nines$0.99
  • Casting Out Elevens$0.99
  • Unlock All Sections$3.99
2 purchases

Mental Math

Subscriptions2
  • Pro Monthly: Focus & Mental Math$3.991 Month
  • Pro Yearly: Focus & Mental Math7 Days trial$17.991 Year

Questions

Is Fast Math free?
Fast Math is free to download, with in-app purchases available.
Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Which has better reviews, Fast Math or Mental Math?
Fast Math is rated higher. Fast Math averages 5.0 out of 5 from 2 ratings, while Mental Math averages 3.5 from 4 ratings.
Do Fast Math or Mental Math have ads?
Neither Fast Math nor Mental Math shows ads.
Which is updated more often, Fast Math or Mental Math?
Fast Math ships an update every 4 months, and Mental Math weekly. Most recently, Fast Math was updated on September 18, 2026 and Mental Math on September 23, 2026.

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