# GEM Config vs Vaetrix Hydro App

The clearest difference is rating: GEM Config at 4.7 against Vaetrix Hydro App's 4.0. GEM Config also leads on update cadence (every 6 weeks vs every 5 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GEM Config holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

GEM Config ships an update every 6 weeks, Vaetrix Hydro App every 5 months. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | GEM Config | Vaetrix Hydro App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/gem-config/id1558967205/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/vaetrix-hydro-app/id1593529241/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 6 MB | 7 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [GloTech Corporation](https://appshunter.io/developer/1558967207) | [JM Test Systems Inc.](https://appshunter.io/developer/1477078443) |

## What reviewers say

### GEM Config

[App page](https://appshunter.io/ios/app/gem-config/id1558967205)

This utility app is designed for reading water meter flow. It provides a straightforward way to log and track water usage data.

**Highlights:** Water meter flow reading, Data logging, Usage tracking

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

**In-app purchases:** none


### Vaetrix Hydro App

[App page](https://appshunter.io/ios/app/vaetrix-hydro-app/id1593529241)

Monitor pipeline pressure in real-time with live readings, min/max values, and customizable alarms. View trending graphs and store permanent data records. Easily share reports in PDF format for efficient field distribution and compliance.

**Highlights:** Live pressure monitoring, Min/Max pressure tracking, Customizable pressure alarms, Live trending graph, Data storage and PDF export, Field data distribution

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

**In-app purchases:** none


## Frequently asked questions

### Is GEM Config free?

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

### Is Vaetrix Hydro App free?

Vaetrix Hydro App is free to download, with no in-app purchases.

### Which has better reviews, GEM Config or Vaetrix Hydro App?

GEM Config is rated higher. GEM Config averages 4.7 out of 5 from 3 ratings, while Vaetrix Hydro App averages 4.0 from 2 ratings.

### Do GEM Config or Vaetrix Hydro App have ads?

Neither GEM Config nor Vaetrix Hydro App shows ads.

### Which is updated more often, GEM Config or Vaetrix Hydro App?

GEM Config ships an update every 6 weeks, and Vaetrix Hydro App every 5 months. Most recently, GEM Config was updated on October 25, 2026 and Vaetrix Hydro App 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.*