BluTest vs HygroSoft
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BluTest
Connect to precision test instruments to measure temperature, humidity, and pressure. Log data directly from smart devices for easy access and sharing. The app simplifies commissioning, troubleshooting, and building automation system comparisons.
- Connect to Blü-Test sensor probes
- Measure temperature, humidity, and pressure
- Log data directly to smart devices
- Save logs on probe and app
- Email logs for reporting
- Graph and compare data points
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Connect to Blü-Test precision test instruments to measure temperature, relative humidity or differential pressure. Immediately log data through smart device communication for convenience and accessibility. The logs are saved on the probe and the app, and can be emailed to your account for use in commissioning, troubleshooting or comparing against your building automation system. Blü-Test is very simple to use. Start the app on your smart phone or tablet and select the probe to view live data from that device. Multiple data points can be logged, graphed or emailed. Select which probe logs to download to your device, link logs to sites and locations, and use a thorough set of calculators to make using Blu-Test easier than ever before.
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: BluTest at 4.0 against HygroSoft's 1.0. BluTest also leads on update cadence (every 5 weeks vs every 8 months) and iOS requirement (12.0 vs 14.2). On price, ratings volume, 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.
BluTest holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
BluTest ships an update every 5 weeks, HygroSoft every 8 months. Both last shipped on June 1, 2026.
| Parameter | BluTest | HygroSoft |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 5 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 | 12.0 — better | 14.2 |
| Further details — not scored | ||
| Size | 19 MB | 166 MB |
| Age rating | 4+ | 4+ |
| Developer | Building Automation Products, Inc | Rotronic AG |
Customer experience
BluTest
HygroSoft
In-app purchases
BluTest
No in-app purchases
HygroSoft
No in-app purchases
