Si vs airCloud Alarm Code
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Si
This application connects to specific Sauermann instruments to display real-time measurement data on your smartphone. It allows you to manage, save, and export measurement datasets in various formats, including PDF, CSV, and XML.
- Real-time measurement display
- Data management
- Report generation
- Export to PDF, CSV, XML
- Bluetooth connectivity
- Measurement of temperature, humidity, pressure, air velocity
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Si-HVACR Measurement MobileApp delivers a user-friendly experience for the Si-TT3 / Si-TI3 / Si-HH3 / Si-VV3 / Si-VH3 / Si-PM3 Sauermann instruments. This app displays on your smartphone screen all the results in real time and allows the management of measurement datasets over a duration of your choice, to create reports to be saved and exported in PDF, CSV or XML format. Si-HVACR Measurement MobileApp relays the following measurements: - Temperature (thermocouple, NTC, ambient, infrared) - Relative humidity - Pressure - Air velocity - Calculated parameters (air velocity, airflow, dew point, absolute humidity, enthalpy, mixing ratio, wet bulb temperature). Convenient data transmission is ensured by low-consumption 4.2 Bluetooth® with a maximum open-field range of 49’ (15 meters).
airCloud Alarm Code
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Designed for HVAC technicians and service professionals, airCloud Alarm Code gives you access to the list of error codes for Hitachi air conditioning products, simplifying troubleshooting. How does it work? - Choose the faulty AC unit using the product code - Select on your smartphone the alarm code displayed on the Hitachi air conditioning unit - Access the official documentation for this specific alarm code Now it's your turn! Quickly find the right code to make the correct diagnosis.
Screenshots
Verdict
The clearest difference is update cadence: Si at every 6 months against airCloud Alarm Code's every 27 months. On price, ads, in-app purchases and device support 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.
Si ships an update every 6 months, airCloud Alarm Code every 27 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Si | airCloud Alarm Code |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months — better | Every 27 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.4 — better | 13.0 |
| Further details — not scored | ||
| Size | 55 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | SAUERMANN INDUSTRIE | Bosch Thermotechnik GmbH |
In-app purchases
Si
No in-app purchases
airCloud Alarm Code
No in-app purchases
Questions
Is Si free?
Is airCloud Alarm Code free?
Do Si or airCloud Alarm Code have ads?
Which is updated more often, Si or airCloud Alarm Code?
Other comparisons
