# HydroTech Pocket Engineer vs Pump Mate

The clearest difference is in-app purchases: HydroTech Pocket Engineer at none against Pump Mate's 1. HydroTech Pocket Engineer also leads on update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pump Mate sells 1 one-off in-app purchase. HydroTech Pocket Engineer asks for nothing beyond the download.

HydroTech Pocket Engineer ships an update monthly, Pump Mate every 2 months. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | HydroTech Pocket Engineer | Pump Mate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 3 MB | 46 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [michael schricker](https://appshunter.io/developer/1895753612) | [Mario Cerda](https://appshunter.io/developer/6772352482) |

## What reviewers say

### HydroTech Pocket Engineer

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

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

**In-app purchases:** none


### Pump Mate

[App page](https://appshunter.io/ios/app/pump-mate-hydraulics/id6772352480)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pump Mate Pro | $24.99 | one-time |


## Frequently asked questions

### Is HydroTech Pocket Engineer free?

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

### Is Pump Mate free?

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

### Do HydroTech Pocket Engineer or Pump Mate have ads?

Neither HydroTech Pocket Engineer nor Pump Mate shows ads.

### Which is updated more often, HydroTech Pocket Engineer or Pump Mate?

HydroTech Pocket Engineer ships an update monthly, and Pump Mate every 2 months. Most recently, HydroTech Pocket Engineer was updated on October 17, 2026 and Pump Mate on October 9, 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.*