# Hydraulic Calculator Engineer vs HydroCalc Basic

The clearest difference is in-app purchases: Hydraulic Calculator Engineer at none against HydroCalc Basic's 1. HydroCalc Basic's advantage is update cadence (every 11 days vs every 22 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HydroCalc Basic sells 1 one-off in-app purchase. Hydraulic Calculator Engineer asks for nothing beyond the download.

Hydraulic Calculator Engineer ships an update every 22 months, HydroCalc Basic every 11 days. The most recent releases landed on September 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Hydraulic Calculator Engineer | HydroCalc Basic |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 21 MB | 35 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) | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) |

## 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


### HydroCalc Basic

[App page](https://appshunter.io/ios/app/hydrocalc-basic/id6752577110)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Flow Units & Ad-Free | $1.99 | one-time |


## Frequently asked questions

### Is Hydraulic Calculator Engineer free?

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

### Is HydroCalc Basic free?

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

### Do Hydraulic Calculator Engineer or HydroCalc Basic have ads?

Neither Hydraulic Calculator Engineer nor HydroCalc Basic shows ads.

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

Hydraulic Calculator Engineer ships an update every 22 months, and HydroCalc Basic every 11 days. Most recently, Hydraulic Calculator Engineer was updated on September 28, 2026 and HydroCalc Basic on October 4, 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.*