# Additel Link vs Vaetrix Hydro App

The clearest difference is rating: Additel Link at 5.0 against Vaetrix Hydro App's 4.0. Additel Link also leads on update cadence (every 6 weeks vs every 6 months). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Additel Link holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Additel Link ships an update every 6 weeks, Vaetrix Hydro App every 6 months. The most recent releases landed on September 3, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Additel Link | Vaetrix Hydro App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/additel-link/id1384771634/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/vaetrix-hydro-app/id1593529241/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 146 MB | 7 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Additel Corp.](https://appshunter.io/developer/1384771633) | [JM Test Systems Inc.](https://appshunter.io/developer/1477078443) |

## What reviewers say

### Additel Link

[App page](https://appshunter.io/ios/app/additel-link/id1384771634)

This utility software connects to smart instruments via Bluetooth or network for remote monitoring, control, and data download. It simplifies traditional calibration tests, making them more efficient and digital.

**Highlights:** Remote monitoring and control, Data download and logging, Bluetooth and network connectivity, Simplified calibration tests, Real-time data display, Device status and information

**Features:** 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 Additel Link free?

Additel Link 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, Additel Link or Vaetrix Hydro App?

Additel Link is rated higher. Additel Link averages 5.0 out of 5 from 4 ratings, while Vaetrix Hydro App averages 4.0 from 2 ratings.

### Do Additel Link or Vaetrix Hydro App have ads?

Neither Additel Link nor Vaetrix Hydro App shows ads.

### Which is updated more often, Additel Link or Vaetrix Hydro App?

Additel Link ships an update every 6 weeks, and Vaetrix Hydro App every 6 months. Most recently, Additel Link was updated on September 3, 2026 and Vaetrix Hydro App on September 8, 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.*