# Flygt Dewatering vs HydroTech Pocket Engineer

The clearest difference is update cadence: HydroTech Pocket Engineer at monthly against Flygt Dewatering's every 22 months. Flygt Dewatering's advantage is iOS requirement (13.2 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.

Flygt Dewatering ships an update every 22 months, HydroTech Pocket Engineer monthly. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Flygt Dewatering | HydroTech Pocket Engineer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Monthly** |
| Size | 19 MB | 3 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Xylem Inc.](https://appshunter.io/developer/582035368) | [michael schricker](https://appshunter.io/developer/1895753612) |

## What reviewers say

### Flygt Dewatering

[App page](https://appshunter.io/ios/app/flygt-dewatering/id1492408610)

**In-app purchases:** none


### HydroTech Pocket Engineer

[App page](https://appshunter.io/ios/app/hydrotech-pocket-engineer/id6764373443)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flygt Dewatering free?

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

### Is HydroTech Pocket Engineer free?

HydroTech Pocket Engineer is free to download, with no in-app purchases.

### Do Flygt Dewatering or HydroTech Pocket Engineer have ads?

Neither Flygt Dewatering nor HydroTech Pocket Engineer shows ads.

### Which is updated more often, Flygt Dewatering or HydroTech Pocket Engineer?

Flygt Dewatering ships an update every 22 months, and HydroTech Pocket Engineer monthly. Most recently, Flygt Dewatering was updated on October 25, 2026 and HydroTech Pocket Engineer on October 17, 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.*