Comparison

Mental Math vs COMath

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

Head to head
About

Mental Math

Enhance your arithmetic abilities with this app, offering various training modes and challenges. Improve your speed and accuracy in calculations for better performance in exams and professional life.

Highlights
  • Basic arithmetic operations
  • Mixed level challenges
  • Unlimited training mode
  • Fast mode for increased difficulty
  • Customizable color schemes
  • Global high scores
Features
Read full description

Mental math skills are essential in all areas of life. No matter if you are at work or in an exam, good mental math skills will help you to succeed. This app will help you to improve your mental math skills and thereby, will help you to have better success in exams or at work. BASIC FEATURES • All basic arithmetic operations • Mixed levels with different arithmetic operations • Trainings modus for unlimited questions • Fast modus for an increase in difficulty • Choose the color scheme you like the most • Highscores which let you compete with the rest of the world IN-APP PURCHASES • More levels for more improvement • Better improvement with statistical indicators and charts • Analyse your improvement with the help of statistics • Squares • Square Roots • 2² = ? • Percentages • Analyse your improvement with the help of statistics • More beautiful color schemes • Pro version which includes all features SUBSCRIPTIONS • Mental Math Pro: Duration: one week (1.99 $ per week) • Mental Math Pro: 1 Month: Duration: one week (4.99 $ per month) • Mental Math Pro: 6 Month: Duration: 6 Month (29,99 $ for 6 month) • Mental Math Pro: 1 Year: Duration: one week (22.99 $ per year) • Payment is made via iTunes account upon confirmation of purchase • The subscription is renewed automatically, unless the automatic renewal is deactivated at least 24 hours before the end of the time • Account will be charged for a new period within the 24 hours prior to the expiration of the time for a renewal • Subscriptions can be managed by the user and auto-renewal can be turned off after purchasing in account settings • The subscription can not be canceled during the active subscription period • You can manage the subscription in your personal settings after purchasing your iTunes account. There you can also switch off the automatic extension. You will find the Terms Of Use on: https://www.kopfrechnentrainer.de/terms-of-use/ And the Privacy Policy on: https://www.kopfrechnentrainer.de/privacy/

About

COMath

This app acts as a personal math tutor, offering support and practice for arithmetic, algebra, and geometry. It provides over 100,000 word problems with step-by-step solutions and an equation solver to help students develop their math skills.

Highlights
  • Personalized math tutoring
  • Arithmetic practice (addition, subtraction, multiplication, division)
  • Over 100,000 math word problems
  • Step-by-step equation solving
  • Algebra and geometry support
  • Practice without pencils
Features
Read full description

COMath is a fun math and brain-training app for students and puzzle lovers of all ages. - Practice addition, subtraction, multiplication, and division - Solve 100,000+ math word problems with explanations - Learn algebra step by step with the equation solver - Enjoy number puzzles like Sudoku, Calcudoku, Fillomino, Minesweeper, Calculate 24, and more Practice math, sharpen logic, and enjoy solving challenges anytime, anywhere.

Screenshots

Mental Math4 screens
COMath4 screens

Verdict

The call

The clearest difference is review sentiment: COMath at 100% against Mental Math's 63%. COMath also leads on in-app purchases (none vs 10) and rating (4.8 vs 4.6). Mental Math's advantage is update cadence (every 3 days vs monthly). On price, ratings volume, ads 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

Both are free to download. Mental Math sells 10 in-app purchases, starting at $1.99 per 7 days. COMath asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

COMath holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 57 and 45 respectively. Written reviews point the same way: 63% of Mental Math's written reviews are positive against 100% of COMath's.

UpkeepUpdate frequency

Mental Math ships an update every 3 days, COMath monthly. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Mental Math versus COMath: the parameters behind the verdict, then further details
ParameterMental MathCOMath
PriceFreeFree
Rating4.6 (57 ratings)4.8 (45 ratings) — better
Positive reviews63.5% of reviews100.0% of reviews — better
Number of ratings57 — better45
Update frequencyEvery 3 days — betterMonthly
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.015.0
Further details — not scored
Size53 MB89 MB
Age rating4+9+
DeveloperCOFFEE BYTES, UNIPESSOAL, LDAJianfeng Wu

Customer experience

Mental Math

All ratings57 ratings
Positive89.5%
Neutral5.3%
Negative5.3%
Written reviews52 reviews
Positive63.5%
Neutral11.5%
Negative25.0%

COMath

All ratings45 ratings
Positive97.8%
Neutral2.2%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Mental Math

Subscriptions4
  • Mental Math Pro: 1 Week$1.997 Days
  • Mental Math Pro: 1 Month3 Days trial$4.991 Month
  • Mental Math Pro: 1 Year3 Days trial$22.991 Year
Show 1 more
  • Mental Math Pro: 6 Month$29.996 Months
One-time6
  • Percents Intermediates$1.99
  • Percents Beginner$1.99
  • Survival Mode$1.99
Show 3 more
  • Statistics$2.99
  • Levels$2.99
  • Pro Version$3.99
None

COMath

No in-app purchases

Questions

Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Is COMath free?
COMath is free to download, with no in-app purchases.
Which has better reviews, Mental Math or COMath?
COMath is rated higher. Mental Math averages 4.6 out of 5 from 57 ratings, while COMath averages 4.8 from 45 ratings.
Do Mental Math or COMath have ads?
Both Mental Math and COMath show ads.
Which is updated more often, Mental Math or COMath?
Mental Math ships an update every 3 days, and COMath monthly. Most recently, Mental Math was updated on September 17, 2026 and COMath on September 21, 2026.

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