# Секция плавания 'Посейдон' vs Marlin

The clearest difference is device support: Секция плавания 'Посейдон' at 2 against Marlin's —. Marlin's advantage is iOS requirement (13.4 vs 15.1). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Секция плавания 'Посейдон' | Marlin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 9 months | — |
| Size | 34 MB | 28 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Likhatskiy](https://appshunter.io/developer/1535199061) | [Fitbase](https://appshunter.io/developer/1530906929) |

## What reviewers say

### Секция плавания 'Посейдон'

[App page](https://appshunter.io/ios/app/id6444623399)

**Features:** macOS Compatibility

**In-app purchases:** none


### Marlin

[App page](https://appshunter.io/ios/app/marlin/id6474638927)

**In-app purchases:** none


## Frequently asked questions

### Is Секция плавания 'Посейдон' free?

Секция плавания 'Посейдон' is free to download, with no in-app purchases.

### Is Marlin free?

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

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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.*