# Hydroreader vs Estacionamiento Concordia

The clearest difference is in-app purchases: Estacionamiento Concordia at none against Hydroreader's 3. 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 3 in-app purchases, starting at $0.99 per month. Estacionamiento Concordia asks for nothing beyond the download.

Hydroreader ships an update fortnightly, Estacionamiento Concordia every 2 months. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Hydroreader | Estacionamiento Concordia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 57 MB | 46 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cintelli SA](https://appshunter.io/developer/1828195800) | [Municipalidad de Concordia](https://appshunter.io/developer/1845065795) |

## What reviewers say

### Hydroreader

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

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suscripción Plan Pro | $0.99 | per month |
| Plan Pro Subscription | $4.99 | per month |
| Hydroreader PRO (anual) | $49.99 | per year |


### Estacionamiento Concordia

[App page](https://appshunter.io/ios/app/estacionamiento-concordia/id6757488546)

**In-app purchases:** none


## Frequently asked questions

### Is Hydroreader free?

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

### Is Estacionamiento Concordia free?

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

### Do Hydroreader or Estacionamiento Concordia have ads?

Neither Hydroreader nor Estacionamiento Concordia shows ads.

### Which is updated more often, Hydroreader or Estacionamiento Concordia?

Hydroreader ships an update fortnightly, and Estacionamiento Concordia every 2 months. Most recently, Hydroreader was updated on October 30, 2026 and Estacionamiento Concordia on November 9, 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.*