# MCPy vs Mariner CV

The clearest difference is in-app purchases: Mariner CV at none against MCPy's 2. MCPy's advantage is update cadence (every 4 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MCPy sells 2 in-app purchases, starting at $9.99 per month. Mariner CV asks for nothing beyond the download.

MCPy ships an update every 4 days, Mariner CV every 9 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MCPy | Mariner CV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Size | 49 MB | 40 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mert Adem GULENC](https://appshunter.io/developer/1868230255) | [IBRAHIM BAMIDELE ODUOLA](https://appshunter.io/developer/6801031393) |

## What reviewers say

### MCPy

[App page](https://appshunter.io/ios/app/mcpy/id6760366135)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MCPy Premium | $9.99 | per month |
| MCPy Premium Plus | $24.99 | per month |


### Mariner CV

[App page](https://appshunter.io/ios/app/mariner-cv/id6801031391)

**In-app purchases:** none


## Frequently asked questions

### Is MCPy free?

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

### Is Mariner CV free?

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

### Do MCPy or Mariner CV have ads?

Neither MCPy nor Mariner CV shows ads.

### Which is updated more often, MCPy or Mariner CV?

MCPy ships an update every 4 days, and Mariner CV every 9 days. Most recently, MCPy was updated on October 25, 2026 and Mariner CV on October 31, 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.*