# Additel Link vs HygroSoft

The clearest difference is rating: Additel Link at 5.0 against HygroSoft's 1.0. Additel Link also leads on update cadence (every 6 weeks vs every 8 months) and ratings volume (4 vs 1). On price, review sentiment, 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.

Additel Link holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Additel Link ships an update every 6 weeks, HygroSoft every 8 months. The most recent releases landed on September 3, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Additel Link | HygroSoft |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/additel-link/id1384771634/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/hygrosoft/id6443735672/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | Free | Free |
| Size | 146 MB | 166 MB |
| Requires iOS | 15.6 | **14.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Additel Corp.](https://appshunter.io/developer/1384771633) | [Rotronic AG](https://appshunter.io/developer/1057939250) |

## 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


### HygroSoft

[App page](https://appshunter.io/ios/app/hygrosoft/id6443735672)

This utility app allows for easy configuration, adjustment, and updates of new Rotronic devices using your smartphone's NFC interface. It supports device setup even without a power supply.

**Highlights:** NFC interface for device interaction, Easy configuration of Rotronic devices, Adjustment and updates via smartphone, Supports devices without power supply, Compatible with HygroFlex series

**In-app purchases:** none


## Frequently asked questions

### Is Additel Link free?

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

### Is HygroSoft free?

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

### Which has better reviews, Additel Link or HygroSoft?

Additel Link is rated higher. Additel Link averages 5.0 out of 5 from 4 ratings, while HygroSoft averages 1.0 from 1 ratings.

### Do Additel Link or HygroSoft have ads?

Neither Additel Link nor HygroSoft shows ads.

### Which is updated more often, Additel Link or HygroSoft?

Additel Link ships an update every 6 weeks, and HygroSoft every 8 months. Most recently, Additel Link was updated on September 3, 2026 and HygroSoft on June 1, 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.*