# Hydraulic Calculator Engineer vs Azirrigation

The clearest difference is update cadence: Azirrigation at every 8 days against Hydraulic Calculator Engineer's every 22 months. 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.

Hydraulic Calculator Engineer ships an update every 22 months, Azirrigation every 8 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hydraulic Calculator Engineer | Azirrigation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (9 ratings)](https://appshunter.io/ios/app/hydraulic-calculator-engineer/id1664790770/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 21 MB | 84 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) | [Elnur Ibrahimov](https://appshunter.io/developer/1793078656) |

## What reviewers say

### Hydraulic Calculator Engineer

[App page](https://appshunter.io/ios/app/hydraulic-calculator-engineer/id1664790770)

This app offers a suite of hydraulic calculations for technicians and engineers. It simplifies complex hydraulics by automatically computing results based on user-entered values, eliminating the need for manual formula application.

**Highlights:** Cylinder Calculation, Power Calculation, Pressure Difference, Piston Diameter, Speed Calculation, Lifting Time, Volume Flow

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

**In-app purchases:** none


### Azirrigation

[App page](https://appshunter.io/ios/app/azirrigation/id6761408599)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hydraulic Calculator Engineer free?

Hydraulic Calculator Engineer is free to download, with no in-app purchases.

### Is Azirrigation free?

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

### Do Hydraulic Calculator Engineer or Azirrigation have ads?

Neither Hydraulic Calculator Engineer nor Azirrigation shows ads.

### Which is updated more often, Hydraulic Calculator Engineer or Azirrigation?

Hydraulic Calculator Engineer ships an update every 22 months, and Azirrigation every 8 days. Most recently, Hydraulic Calculator Engineer was updated on October 24, 2026 and Azirrigation 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.*