# Zona Azul POC vs Hydroflex

The clearest difference is iOS requirement: Hydroflex at 12.0 against Zona Azul POC's 15.1. On price, ads, in-app purchases and device support 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 | Zona Azul POC | Hydroflex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | — |
| Size | 25 MB | 57 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [iTransit Tecnologia e Mobilidade Urbana Ltda](https://appshunter.io/developer/1782383613) | [June Rodrigues](https://appshunter.io/developer/1416976624) |

## What reviewers say

### Zona Azul POC

[App page](https://appshunter.io/ios/app/zona-azul-poc/id1659026112)

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

**In-app purchases:** none


### Hydroflex

[App page](https://appshunter.io/ios/app/hydroflex/id6740460133)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zona Azul POC free?

Zona Azul POC is free to download, with no in-app purchases.

### Is Hydroflex free?

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

### Do Zona Azul POC or Hydroflex have ads?

Neither Zona Azul POC nor Hydroflex shows ads.

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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.*