# Calculadora Intagri vs Hydroreader

The clearest difference is in-app purchases: Calculadora Intagri at none against Hydroreader's 2. Calculadora Intagri also leads on iOS requirement (12.0 vs 15.6). Hydroreader's advantage is update cadence (fortnightly vs every 50 months). On price, ads and device support there is nothing between them.

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

Calculadora Intagri ships an update every 50 months, Hydroreader fortnightly. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Calculadora Intagri | Hydroreader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 50 months | **Fortnightly** |
| Size | 4 MB | 57 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INTAGRI SC](https://appshunter.io/developer/1615625642) | [Cintelli SA](https://appshunter.io/developer/1828195800) |

## What reviewers say

### Calculadora Intagri

[App page](https://appshunter.io/ios/app/calculadora-intagri/id1230729198)

**Features:** macOS Compatibility

**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 Calculadora Intagri free?

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

### Is Hydroreader free?

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

### Do Calculadora Intagri or Hydroreader have ads?

Neither Calculadora Intagri nor Hydroreader shows ads.

### Which is updated more often, Calculadora Intagri or Hydroreader?

Calculadora Intagri ships an update every 50 months, and Hydroreader fortnightly. Most recently, Calculadora Intagri was updated on October 2, 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.*