# Marina4 vs AMD 2023

The clearest difference is device support: Marina4 at 3 against AMD 2023's —. AMD 2023's advantage is iOS requirement (11.0 vs 15.0). 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 | Marina4 | AMD 2023 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 33 MB | 33 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [MARINA 4 SRL](https://appshunter.io/developer/1137973719) | [Expomeeting](https://appshunter.io/developer/1498921317) |

## What reviewers say

### Marina4

[App page](https://appshunter.io/ios/app/marina4/id1195357223)

Access historical, current, and future tide information. Features a sophisticated forecasting system that also displays a countdown for port closures.

**Highlights:** Past tide consultation, Current day tide information, Tomorrow tide forecast, Sophisticated forecasting system, Port closure countdown

**Features:** macOS Compatibility

**In-app purchases:** none


### AMD 2023

[App page](https://appshunter.io/ios/app/amd-2023/id6470791075)

**In-app purchases:** none


## Frequently asked questions

### Is Marina4 free?

Marina4 is free to download, with no in-app purchases.

### Is AMD 2023 free?

AMD 2023 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.*