# H2O Audio PRO vs Expat Shields

The clearest difference is update cadence: Expat Shields at every 4 days against H2O Audio PRO's every 3 months. H2O Audio PRO's advantage is iOS requirement (13.0 vs 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.

H2O Audio PRO ships an update every 3 months, Expat Shields every 4 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | H2O Audio PRO | Expat Shields |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (27 ratings)](https://appshunter.io/ios/app/h2o-audio-pro/id1641826502/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 15.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 9 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [H2O Audio](https://appshunter.io/developer/1461691451) | [Baja tu Seguro Agente de Seguros S.A. De C.V.](https://appshunter.io/developer/1428048903) |

## What reviewers say

### H2O Audio PRO

[App page](https://appshunter.io/ios/app/h2o-audio-pro/id1641826502)

This utility app allows users to manage their H2O Audio devices. It provides functionality for updating device software and organizing music playlists.

**Highlights:** Manage H2O Audio Devices, Update device software, Manage PLAYLIST+ audio

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

**In-app purchases:** none


### Expat Shields

[App page](https://appshunter.io/ios/app/expat-shields/id6698852084)

**In-app purchases:** none


## Frequently asked questions

### Is H2O Audio PRO free?

H2O Audio PRO is free to download, with no in-app purchases.

### Is Expat Shields free?

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

### Do H2O Audio PRO or Expat Shields have ads?

Neither H2O Audio PRO nor Expat Shields shows ads.

### Which is updated more often, H2O Audio PRO or Expat Shields?

H2O Audio PRO ships an update every 3 months, and Expat Shields every 4 days. Most recently, H2O Audio PRO was updated on October 22, 2026 and Expat Shields on October 25, 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.*