# Mi Alarma X vs Hydroreader

The clearest difference is in-app purchases: Mi Alarma X at none against Hydroreader's 2. Hydroreader's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Hydroreader sells 2 in-app purchases, starting at $0.99 per month. Mi Alarma X asks for nothing beyond the download.

Mi Alarma X ships an update every 2 months, Hydroreader fortnightly. The most recent releases landed on October 13, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Mi Alarma X | Hydroreader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 53 MB | 57 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [X-28](https://appshunter.io/developer/516352829) | [Cintelli SA](https://appshunter.io/developer/1828195800) |

## What reviewers say

### Mi Alarma X

[App page](https://appshunter.io/ios/app/mi-alarma-x-28/id1548534498)

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

**In-app purchases:** none


### Hydroreader

[App page](https://appshunter.io/ios/app/hydroreader/id6748949693)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suscripción Plan Pro | $0.99 | per month |
| Plan Pro Subscription | $4.99 | per month |


## Frequently asked questions

### Is Mi Alarma X free?

Mi Alarma X is free to download, with no in-app purchases.

### Is Hydroreader free?

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

### Do Mi Alarma X or Hydroreader have ads?

Neither Mi Alarma X nor Hydroreader shows ads.

### Which is updated more often, Mi Alarma X or Hydroreader?

Mi Alarma X ships an update every 2 months, and Hydroreader fortnightly. Most recently, Mi Alarma X was updated on October 13, 2026 and Hydroreader on September 28, 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.*