iXTool vs Si
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iXTool
Connect appliances to your smartphone for easier installation and servicing. This tool supports various communication protocols, aiding technicians in their work.
- WiFi appliance connection
- Smartphone integration
- Commissioning support
- Servicing assistance
- OT, microcom, and Modbus support
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An appliance tool consisting of a WiFi bridge, enabling the connection between an appliance and a smartphone; the APP is supporting the Installers/Service Engineers in the commissioning and servicing of the appliance; the tool supports OT, microcom and modbus.
Si
Instantly and accurately displays numerous measurements like pressure and temperature for specific devices. It supports long-range Bluetooth connectivity and can store and update approximately 120 refrigerants, including environmentally friendly options.
- Real-time measurement display
- Bluetooth 4.2 connectivity (up to 30m)
- Storage for ~120 refrigerants
- Environmentally friendly refrigerant support
- Updateable refrigerant database
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This App is used to instantly and accurately display numerous measurements, including pressure, temperature, etc., for the Si-RM3, Si-RM13, Si-RV3, and Si-RM1. It comes with long-range low-energy Bluetooth® 4.2 up to 30 meters (98 ft) and the ability to store and update approximately 120 refrigerants, including environmentally-friendly low global warming potential (GWP) and natural refrigerants.
Screenshots
Verdict
The clearest difference is review sentiment: Si at 33% against iXTool's 0%. Si also leads on update cadence (every 2 months vs every 7 months). On price, ads, in-app purchases and monetization model 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.
iXTool ships an update every 7 months, Si every 2 months. The most recent releases landed on August 12, 2026 and June 2, 2026 respectively.
| Parameter | iXTool | Si |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 33.3% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 12.4 |
| Further details — not scored | ||
| Size | 64 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Resideo Technologies, Inc. | SAUERMANN INDUSTRIE |
Customer experience
iXTool
Si
In-app purchases
iXTool
No in-app purchases
Si
No in-app purchases
