Mental Math vs COMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Basic arithmetic operations
- Mixed level challenges
- Unlimited training mode
- Fast mode for increased difficulty
- Customizable color schemes
- Global high scores
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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/
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.
- 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
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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.
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Verdict
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
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.
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.
Mental Math ships an update every 3 days, COMath monthly. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.
| Parameter | Mental Math | COMath |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (57 ratings) | 4.8 (45 ratings) — better |
| Positive reviews | 63.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 57 — better | 45 |
| Update frequency | Every 3 days — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 53 MB | 89 MB |
| Age rating | 4+ | 9+ |
| Developer | COFFEE BYTES, UNIPESSOAL, LDA | Jianfeng Wu |
Customer experience
Mental Math
COMath
In-app purchases
Mental Math
- 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
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- Mental Math Pro: 6 Month$29.996 Months
- Percents Intermediates$1.99
- Percents Beginner$1.99
- Survival Mode$1.99
Show 3 moreShow fewer
- Statistics$2.99
- Levels$2.99
- Pro Version$3.99
COMath
No in-app purchases
Questions
Is Mental Math free?
Is COMath free?
Which has better reviews, Mental Math or COMath?
Do Mental Math or COMath have ads?
Which is updated more often, Mental Math or COMath?
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