DURMI Smart vs S4C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DURMI Smart
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DURMI Smart allows you to control your electric appliances, at any time and from wherever you are. You just need to download the free app and install a Daisy Box, which will communicate with your devices via radio signal. Truly simple to use, thanks to an intuitive and functional interface that reproduces the rooms in your home. Voice Control When you come home with your hands full with shopping bags, just say “switch on the lights” to activate the lighting with your voice, using Google Home and Amazon smart speakers.
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
Screenshots
Verdict
DURMI Smart and S4C 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.
DURMI Smart ships an update every 2 months, S4C monthly. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.
| Parameter | DURMI Smart | S4C |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12 — better |
| Further details — not scored | ||
| Size | 30 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | Teleco Automation Srl | SUTO iTEC (China) Co. Ltd |
In-app purchases
DURMI Smart
No in-app purchases
S4C
No in-app purchases
