S4C vs Belimo Assistant 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S4C
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S4C-FS Service App is used by service people to check sensor readings, perform settings. It uses Bluetooth Low Energy (BLE) to communicate with sensors. Features: * Show Online values: - Flow - Velocity - Pressure - Temperature * Perform Settings: - Flow Settings - Units Settings - Reference Conditions - Factory Settings - Counter Settings - Output Settings
Belimo Assistant 2
This app allows for the setup, operation, and troubleshooting of Belimo devices like actuators and valves using a smartphone or tablet. It offers features for checking parameters, monitoring device status, and generating reports.
- Device parameter modification
- Identification data display
- MP-Bus, BACnet, Modbus addressing
- Guided parameter setup
- Configuration copy/paste
- Live trending and local override
- Device health and operation monitoring
- Digital report generation
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Belimo Assistant 2 enables wired and wireless setup, on-site operation, and troubleshooting of Belimo damper actuators, control valves, sensors and meters with smartphone and tablet. Key features: • Check and modify device setting parameters • Display identification data: device type, position, designation, serial number, bus address • Addressing (MP-Bus, BACnet, Modbus, TCP/IP) • Setup: guided parameter setup for your device • Copy/Paste configuration: replicate settings for same device type • Live Trend: perform local override and live trending with easy share function • Health: monitor overall device and operation status. E.g. Power supply, Bus state, Sensor state, etc. • Operation: monitor device KPIs with live updates • Reports: retrieve digital reports of your device with easy share function. E.g. Calibration certificate, Commissioning report • Export Device Configuration: create log file with easy share function • In-app language adjustment (EN/DE/FR/IT/ES/CN/RU) Accessories: • LINK.10 (Converter Bluetooth / NFC) Notes • The App can be installed on iPhones or iPads with iOS 17+
Screenshots
Verdict
The clearest difference is iOS requirement: S4C at 12 against Belimo Assistant 2's 17.0. On price, update cadence, 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.
S4C ships an update monthly, Belimo Assistant 2 every 5 weeks. The most recent releases landed on May 15, 2026 and September 16, 2026 respectively.
| Parameter | S4C | Belimo Assistant 2 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.4 (10 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12 — better | 17.0 |
| Further details — not scored | ||
| Size | 35 MB | 122 MB |
| Age rating | 17+ | 4+ |
| Developer | SUTO iTEC (China) Co. Ltd | BELIMO Automation AG |
In-app purchases
S4C
No in-app purchases
Belimo Assistant 2
No in-app purchases
