# Hydraulic vs Pneumatics

The clearest difference is review sentiment: Hydraulic at 50% against Pneumatics's 0%. Hydraulic also leads on iOS requirement (15.1 vs 17.0). Pneumatics's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hydraulic sells 2 one-off in-app purchases. Pneumatics asks for nothing beyond the download.

Hydraulic ships an update every 6 weeks, Pneumatics monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Hydraulic | Pneumatics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (17 ratings)](https://appshunter.io/ios/app/hydraulic-calculator/id612615039/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 4 MB |
| Requires iOS | **15.1** | 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

[App page](https://appshunter.io/ios/app/hydraulic-calculator/id612615039)

Perform essential hydraulic calculations for cylinders, pumps, and fluid lines. Solve for forces, speeds, torque, power, and pressure drop. Supports metric and imperial units, with advanced features unlocked via in-app purchase.

**Highlights:** Cylinder force and speed calculations, Pump displacement, flow, and pressure calculations, Hydraulic line fluid velocity and pressure drop, Orifice flow and pressure calculations, Speed, torque, and power calculations, Metric and imperial unit support, Copy results to clipboard

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $7.99 | one-time |
| Pro Version | $7.99 | one-time |


### 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 free?

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

### Is Pneumatics free?

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

### Do Hydraulic or Pneumatics have ads?

Neither Hydraulic nor Pneumatics shows ads.

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

Hydraulic ships an update every 6 weeks, and Pneumatics monthly. Most recently, Hydraulic was updated on November 1, 2026 and Pneumatics on November 2, 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.*