# Arithmetic Review vs COMath

The clearest difference is in-app purchases: COMath at none against Arithmetic Review's 1. COMath also leads on update cadence (monthly vs every 8 months) and rating (4.8 vs 4.5). Arithmetic Review's advantage is ads (none vs shown). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. Arithmetic Review sells 1 one-off in-app purchase. COMath asks for nothing beyond the download.

COMath holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: COMath has 45 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Arithmetic Review ships an update every 8 months, COMath monthly. The most recent releases landed on August 27, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Arithmetic Review | COMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/arithmetic-review-gre-lite/id605344887/reviews) | **[4.8 (45 ratings)](https://appshunter.io/ios/app/comath-math-practice-puzzles/id1438026503/reviews)** |
| Number of ratings | 4 | **45** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 89 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Jianfeng Wu](https://appshunter.io/developer/1435210283) |

## What reviewers say

### Arithmetic Review

[App page](https://appshunter.io/ios/app/arithmetic-review-gre-lite/id605344887)

Prepare for the GRE with over 450 practice questions covering arithmetic topics. Get instant feedback, detailed explanations, and track your progress with visual tools to ensure you're ready for test day.

**Highlights:** 450+ practice questions, Detailed explanations, Instant feedback, Progress tracking with charts, Topic-specific review, Mock tests

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $9.99 | 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 Arithmetic Review free?

Arithmetic Review 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, Arithmetic Review or COMath?

COMath is rated higher. Arithmetic Review averages 4.5 out of 5 from 4 ratings, while COMath averages 4.8 from 45 ratings.

### Do Arithmetic Review or COMath have ads?

COMath shows ads; Arithmetic Review does not.

### Which is updated more often, Arithmetic Review or COMath?

Arithmetic Review ships an update every 8 months, and COMath monthly. Most recently, Arithmetic Review was updated on August 27, 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.*