# Mental Math vs COMath

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.

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.

## The numbers

| Metric | Mental Math | COMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (57 ratings)](https://appshunter.io/ios/app/mental-math-training-games/id1403493471/reviews) | **[4.8 (45 ratings)](https://appshunter.io/ios/app/comath-math-practice-puzzles/id1438026503/reviews)** |
| Number of ratings | **57** | 45 |
| Positive reviews | 63.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 53 MB | 89 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [COFFEE BYTES, UNIPESSOAL, LDA](https://appshunter.io/developer/1859577848) | [Jianfeng Wu](https://appshunter.io/developer/1435210283) |

## What reviewers say

### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-training-games/id1403493471)

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:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mental Math Pro: 1 Week | $1.99 | per 7 days |
| Mental Math Pro: 1 Month | $4.99 | per month |
| Mental Math Pro: 1 Year | $22.99 | per year |
| Mental Math Pro: 6 Month | $29.99 | per 6 months |
| Percents Intermediates | $1.99 | one-time |
| Percents Beginner | $1.99 | one-time |
| Survival Mode | $1.99 | one-time |
| Statistics | $2.99 | one-time |
| Levels | $2.99 | one-time |
| Pro Version | $3.99 | one-time |


### COMath

[App page](https://appshunter.io/ios/app/comath-math-practice-puzzles/id1438026503)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*