Additel Link vs HygroSoft
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Additel Link
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.
- Remote monitoring and control
- Data download and logging
- Bluetooth and network connectivity
- Simplified calibration tests
- Real-time data display
- Device status and information
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Additel Link is a software for control and application of Additel products. With the support of cloud services, the APP interacts with smart instruments through mobile phone Bluetooth or network, which can realize remote monitoring, control and download data, and provide rich software applications and product services. Many traditional calibration tests are made simpler, more efficient and digital. When the APP successfully connects to the device, it will enter the device page, which usually includes the following contents: • Status area: Displays the battery level and connection mode • Data area: Displays real-time data, provides quick operations such as switching units, setting target values, and configuring channels • Control area: Support zero clear, lock screen, configuration, start-stop record (pressure gauge) and other control functions, different instruments have different control functions. • Application area: Displays some software applications supported by the device, such as data logging; • Device information page: Displays device model, number, device name (modifiable), firmware version, department, communication mode, product information, manual, etc
HygroSoft
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.
- NFC interface for device interaction
- Easy configuration of Rotronic devices
- Adjustment and updates via smartphone
- Supports devices without power supply
- Compatible with HygroFlex series
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Overview Rotronic’s new software generation, HygroSoft, replaces the long-standing and successful HW4 and HW5 software. HygroSoft is available as a free application for iOS. The HygroSoft App is utilizing the NFC interface, allowing for easy configuration, adjustment, and updates of the new Rotronic device generation via smartphone. The NFC interface even supports device configuration without any power supply. Supported Devices • HygroFlex 5 Advanced (HF5A) Series • HygroFlex 3 Advanced (HF3A) Series • HygroFlex 5 Advanced Temperatur (TF5A) Series Further Information For more information, please visit our website at ProcessSensing.com or consult our Online Manual at service.rotronic.com/products-manual.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Additel Link | HygroSoft |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 6 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.2 — better |
| Further details — not scored | ||
| Size | 146 MB | 166 MB |
| Age rating | 12+ | 4+ |
| Developer | Additel Corp. | Rotronic AG |
Customer experience
Additel Link
HygroSoft
In-app purchases
Additel Link
No in-app purchases
HygroSoft
No in-app purchases








