# Hydraulic Power Unit vs FlowAnalyzer Viewer

The clearest difference is update cadence: FlowAnalyzer Viewer at every 2 months against Hydraulic Power Unit's every 37 months. Hydraulic Power Unit's advantage is iOS requirement (6.0 vs 15.0). 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, FlowAnalyzer Viewer every 2 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Hydraulic Power Unit | FlowAnalyzer Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 2 months** |
| Size | 4 MB | 1 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zanthic Automation Inc.](https://appshunter.io/developer/574695320) | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) |

## What reviewers say

### Hydraulic Power Unit

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

**Features:** macOS Compatibility

**In-app purchases:** none


### FlowAnalyzer Viewer

[App page](https://appshunter.io/ios/app/flowanalyzer-viewer/id6754879365)

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

**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 FlowAnalyzer Viewer free?

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

### Do Hydraulic Power Unit or FlowAnalyzer Viewer have ads?

Neither Hydraulic Power Unit nor FlowAnalyzer Viewer shows ads.

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

Hydraulic Power Unit ships an update every 37 months, and FlowAnalyzer Viewer every 2 months. Most recently, Hydraulic Power Unit was updated on October 26, 2026 and FlowAnalyzer Viewer on October 30, 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.*