# Hydraulic Power Unit vs Pneumatics

The clearest difference is update cadence: Pneumatics at monthly against Hydraulic Power Unit's every 37 months. Hydraulic Power Unit's advantage is iOS requirement (6.0 vs 17.0). 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 Power Unit ships an update every 37 months, Pneumatics monthly. The most recent releases landed on December 9, 2025 and June 5, 2026 respectively.

## The numbers

| Metric | Hydraulic Power Unit | Pneumatics |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Monthly** |
| Monetization | — | Free |
| Size | 4 MB | 4 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zanthic Automation Inc.](https://appshunter.io/developer/574695320) | [Amnaj Sriwilai](https://appshunter.io/developer/1241468165) |

## What reviewers say

### Hydraulic Power Unit

[App page](https://appshunter.io/ios/app/hydraulic-power-unit/id608111471)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pneumatics

[App page](https://appshunter.io/ios/app/pneumatics/id1241653182)

This app offers essential calculation tools for pneumatic systems, aiding in automation system design and equipment selection. It helps users determine cylinder force, speed, air consumption, and estimate costs, streamlining work with pneumatic components.

**Highlights:** Cylinder force calculation, Force requirement estimation, Cylinder speed calculation, Air consumption calculation, Shock absorber analysis, Pressure and flow rate conversion, Hose diameter and piston rod diameter definition

**In-app purchases:** none


## Frequently asked questions

### Is Hydraulic Power Unit free?

Hydraulic Power Unit is free to download, with no in-app purchases.

### Is Pneumatics free?

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

### Do Hydraulic Power Unit or Pneumatics have ads?

Neither Hydraulic Power Unit nor Pneumatics shows ads.

### Which is updated more often, Hydraulic Power Unit or Pneumatics?

Hydraulic Power Unit ships an update every 37 months, and Pneumatics monthly. Most recently, Hydraulic Power Unit was updated on December 9, 2025 and Pneumatics on June 5, 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.*