# HYDAC Tools vs Forstify

The clearest difference is update cadence: Forstify at every 4 weeks against HYDAC Tools's every 13 months. HYDAC Tools's advantage is iOS requirement (13.0 vs 16.0). 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.

HYDAC Tools ships an update every 13 months, Forstify every 4 weeks. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | HYDAC Tools | Forstify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydac-tools/id1396834045/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 12 MB | 265 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HYDAC Pty. Ltd.](https://appshunter.io/developer/1396834044) | [Forstify GmbH](https://appshunter.io/developer/1480944753) |

## What reviewers say

### HYDAC Tools

[App page](https://appshunter.io/ios/app/hydac-tools/id1396834045)

This app provides engineers and project managers with tools for fluid power, motion control, and automation. It offers features like cylinder calculations, unit conversions, filter sizing, and fluid care information to enhance daily productivity and efficiency.

**Highlights:** Cylinder calculations, Unit conversions, Filter sizing software, Fluid care information, Hydraulic pump selection, Brochure downloads, Online tools

**Features:** macOS Compatibility

**In-app purchases:** none


### Forstify

[App page](https://appshunter.io/ios/app/forstify-forest-tools/id1480944754)

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

**In-app purchases:** none


## Frequently asked questions

### Is HYDAC Tools free?

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

### Is Forstify free?

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

### Do HYDAC Tools or Forstify have ads?

Neither HYDAC Tools nor Forstify shows ads.

### Which is updated more often, HYDAC Tools or Forstify?

HYDAC Tools ships an update every 13 months, and Forstify every 4 weeks. Most recently, HYDAC Tools was updated on October 7, 2026 and Forstify on September 28, 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.*