# COSS vs MathVentura

COSS and MathVentura are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

COSS ships an update every 6 weeks, MathVentura monthly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | COSS | MathVentura |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 40 MB | 218 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [5FEEDBACK](https://appshunter.io/developer/1345924461) | [Krok Studio](https://appshunter.io/developer/1872734341) |

## What reviewers say

### COSS

[App page](https://appshunter.io/ios/app/coss/id1570281845)

Showcase your professional skills and earn digital badges to impress recruiters. Measure and certify your abilities in soft, technical, and mad skills to build a dynamic portfolio for job applications.

**Highlights:** Skill measurement and certification, Network-based feedback collection, Digital badges for soft and technical skills, CV and LinkedIn profile integration, Dynamic skills portfolio creation, 35+ soft skills, 200+ technical skills, 20 mad skills

**Features:** macOS Compatibility

**In-app purchases:** none


### MathVentura

[App page](https://appshunter.io/ios/app/mathventura/id6758401115)

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

**In-app purchases:** none


## Frequently asked questions

### Is COSS free?

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

### Is MathVentura free?

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

### Do COSS or MathVentura have ads?

Neither COSS nor MathVentura shows ads.

### Which is updated more often, COSS or MathVentura?

COSS ships an update every 6 weeks, and MathVentura monthly. Most recently, COSS was updated on October 15, 2026 and MathVentura on October 7, 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.*