BITZER Electronics ServiceTool vs Castel Selector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BITZER Electronics ServiceTool
This utility app allows users to connect to BITZER IQ products via Bluetooth for device configuration, operation monitoring, and alarm viewing. It also enables log retrieval, visualization, and cloud uploading for storage and sharing.
- Bluetooth connectivity
- Device configuration
- Operation monitoring
- Alarm viewing with help texts
- Log retrieval and visualization
- Cloud data uploading
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This is the App edition of the BEST SOFTWARE (BITZER Electronics Service Tool) for connecting to BITZER IQ products that support Bluetooth. Quickly configure the devices, monitor the operation and view the alarms including alarm help texts. Furthermore, the logs can be retrieved from the devices, visualized and uploaded to the myBITZERcloud for storage and sharing with other devices and peoples. Supported products: // IQ MODULE CM-RC-02 // IQ MODULE CM-RC-01 - Requires firmware version 2.5.246.00 or newer - For firmware update use the Windows version of BEST as it requires to connect via the BEST converter // IQ MODULE CM-SW-01 - Requires firmware version 2.8.82.00 or newer - For firmware update use the Windows version of BEST as it requires to connect via the BEST converter // CSV - Bluetooth is available by the CSV frequency inverters with the control board of the 2nd generation. This control board can be recognized by the STO input (orange connector) or the RJ12 socket for the BEST converter - Requires firmware version 1.92 or newer - For first configuration (change of refrigerant or configuring the compressor type in case of spare parts) use the Windows version of BEST as it requires to connect via the BEST converter. Also for firmware updates // ECOSTAR LHV5E and LHV7E - Requires firmware version 5.0.2.0 or newer - For firmware update use the Windows version of BEST
Castel Selector
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Castel selection app is able to help you through the design of systems by choosing the correct valve within your system. This software is able to size all Castel products, indicating theirs behaviour according to the installation branch and the gas used, providing the appropriate pressure drop value used for each selection. With this app you are able to generate a report with all the information about circuit and about selection.
Screenshots
Verdict
BITZER Electronics ServiceTool and Castel Selector are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
BITZER Electronics ServiceTool ships an update every 2 months, Castel Selector every 6 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | BITZER Electronics ServiceTool | Castel Selector |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 249 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | BITZER SE | Castel S.r.l. |
In-app purchases
BITZER Electronics ServiceTool
No in-app purchases
Castel Selector
No in-app purchases
Questions
Is BITZER Electronics ServiceTool free?
Is Castel Selector free?
Do BITZER Electronics ServiceTool or Castel Selector have ads?
Which is updated more often, BITZER Electronics ServiceTool or Castel Selector?
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