Comparison

Mental Math Trainer 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 Trainer

Enhance your arithmetic abilities with this app. Practice addition, subtraction, multiplication, and division through engaging games and custom sessions. Track your progress and challenge friends to boost your mental math confidence and speed.

Highlights
  • Addition, subtraction, multiplication, division practice
  • Math Arcade mode with increasing difficulty
  • Customizable practice sessions
  • Memory training games (Find the Pairs)
  • Progress tracking
  • Game Center integration for challenges
Features
Read full description

Practice and improve your math skills with Mental Math Trainer Games - Pure Math. Play and practice just a few minutes a day and keep your mind sharp. Great brain training for you to increase your confidence and speed at mental math. No matter if it's addition, subtraction, multiplication or division, we guarantee you hours of practice with Mental Math Trainer Games - Pure Math. And every time you play it's a different experience. Questions are always random. Great way to train and learn math. With its increasing difficulty, Mental Math Addition Games - Pure Math is suitable for all ages - kids, students, adults. Pure practice and learning. We store your progress, so you can continue where you left. The faster you answer the questions, the more points you get. In Math Arcade mode you get to complete math levels with increasing difficulty starting from the most basic tasks. The levels are divided into 5 main categories - Addition, Subtraction, Multiplication, Division, and Mixed Mode. Math Practice mode in Mental Math Addition Games - Pure Math allows you to create custom practice sessions depending on the operations you wish to train. You can also select custom practice duration, difficulty level, and custom numbers. Math games where you solve math problems and a great way to give your brain a workout and improve your cognitive function. Learning math tables has never been easier. Play Math Tables, repeat a few times a day, and train your memory. Multiplication tables, times tables, brain games, addition games, and more. Find the Pairs (Math Cards) is a math game where you match math cards by number or color until you find all pairs and clear the board. Cool math game to train your memory. Mental Math Addition Games - Pure Math supports Game Center, so you can compare your score to your friends' and even challenge them to see who's doing better in Math. Some levels in the app are free to play and you can unlock all features and levels (1200+) by upgrading to PRO. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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 Math Trainer4 screens
COMath4 screens

Verdict

The call

The clearest difference is review sentiment: COMath at 100% against Mental Math Trainer's 58%. COMath also leads on in-app purchases (none vs 9) and rating (4.8 vs 4.5). Mental Math Trainer's advantage is ads (none vs shown) and update cadence (fortnightly vs monthly). On price, device support and iOS requirement 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 Trainer sells 7 in-app purchases, starting at $2.99 per month. COMath asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

COMath holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Mental Math Trainer has 228 ratings behind it against 45, so its average is the more settled of the two. Written reviews point the same way: 58% of Mental Math Trainer's written reviews are positive against 100% of COMath's.

UpkeepUpdate frequency

Mental Math Trainer ships an update fortnightly, COMath monthly. The most recent releases landed on September 27, 2026 and September 21, 2026 respectively.

Scorecard7 real differences · 3 level
Mental Math Trainer versus COMath: the parameters behind the verdict, then further details
ParameterMental Math TrainerCOMath
PriceFreeFree
Rating4.5 (228 ratings)4.8 (45 ratings) — better
Positive reviews57.8% of reviews100.0% of reviews — better
Number of ratings228 — better45
Update frequencyFortnightly — betterMonthly
AdsNo — betterYes
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
Size50 MB89 MB
Age rating4+9+
DeveloperStoyan HristovJianfeng Wu

Customer experience

Mental Math Trainer

All ratings228 ratings
Positive89.5%
Neutral3.1%
Negative7.5%
Written reviews206 reviews
Positive57.8%
Neutral6.3%
Negative35.9%

COMath

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

Bugs and requests

Mental Math Trainer

Reported bugs

8 issues
  • App crashes or doesn't open
  • Purchases not unlocking features
  • In-app purchase issues
  • Timer continues when paused
  • Drag response not registering input
Show 3 more
  • Division section glitches
  • App stops working after updates
  • Purchased content locked again

Requested features

10 requests
  • Option to choose keypad style
  • More difficult levels
  • Infinite or custom exercise mode
  • Dark mode support
  • Landscape mode support
Show 5 more
  • Add 6-digit numbers
  • Streak feature (like Duolingo)
  • Option to choose difficulty level
  • Add more levels
  • Sandbox mode for custom questions

COMath

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Mental Math Trainer

Subscriptions6
  • Unlimited Access$2.991 Month
  • Unlimited Access3 Days trial$2.997 Days
  • Unlimited Access7 Days trial2 variants$3.991 Month
Show 3 more
  • Unlimited Access$9.991 Year
  • Unlimited Access7 Days trial$12.991 Year
  • Unlimited Access2 variants$14.991 Year
One-time1
  • Unlock Everything$17.99
None

COMath

No in-app purchases

Questions

Is Mental Math Trainer free?
Mental Math Trainer 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 Trainer or COMath?
COMath is rated higher. Mental Math Trainer averages 4.5 out of 5 from 228 ratings, while COMath averages 4.8 from 45 ratings.
Do Mental Math Trainer or COMath have ads?
COMath shows ads; Mental Math Trainer does not.
Which is updated more often, Mental Math Trainer or COMath?
Mental Math Trainer ships an update fortnightly, and COMath monthly. Most recently, Mental Math Trainer was updated on September 27, 2026 and COMath on September 21, 2026.

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