# COMath vs Xygos

The clearest difference is in-app purchases: COMath at none against Xygos's 1. COMath also leads on review sentiment (100% vs 88%) and device support (4 vs 2). Xygos's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price, rating and ratings volume there is nothing between them.

Both are free to download. Xygos sells 1 in-app purchase, starting at $2.99 per 7 days. COMath asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for COMath against 4.7 for Xygos. Both are backed by a comparable volume of ratings — 45 and 39 respectively. Written reviews are what separate them: 100% of COMath's written reviews are positive against 88% of Xygos's.

COMath ships an update monthly, Xygos weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | COMath | Xygos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (45 ratings)](https://appshunter.io/ios/app/comath-math-practice-puzzles/id1438026503/reviews)** | [4.7 (39 ratings)](https://appshunter.io/ios/app/xygos-math-in-motion/id6451348655/reviews) |
| Number of ratings | **45** | 39 |
| Positive reviews | **100.0% of reviews** | 88.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 89 MB | 101 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Jianfeng Wu](https://appshunter.io/developer/1435210283) | [Xygos LLC](https://appshunter.io/developer/1671065233) |

## What reviewers say

### 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


### Xygos

[App page](https://appshunter.io/ios/app/xygos-math-in-motion/id6451348655)

Learn math interactively by solving problems directly on-screen with intuitive gestures. This app offers step-by-step solutions and real-time feedback for algebra and calculus, cutting learning time in half.

**Highlights:** Gesture-based problem solving, Step-by-step solutions, Real-time feedback and hints, Covers Calculus 1 and Algebra, Adaptive learning, Supports various math subjects

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Xygos Infinity | $2.99 | per 7 days |


## Frequently asked questions

### Is COMath free?

COMath is free to download, with no in-app purchases.

### Is Xygos free?

Xygos is free to download, with in-app purchases available.

### Which has better reviews, COMath or Xygos?

COMath is rated higher. COMath averages 4.8 out of 5 from 45 ratings, while Xygos averages 4.7 from 39 ratings.

### Do COMath or Xygos have ads?

COMath shows ads; Xygos does not.

### Which is updated more often, COMath or Xygos?

COMath ships an update monthly, and Xygos weekly. Most recently, COMath was updated on October 24, 2026 and Xygos on October 24, 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.*