智慧式用电 vs eCall C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
智慧式用电
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专业的安全用电与智能生活应用。最大程度提升用电安全，避免人触电，电火灾。并可以通过手机对家里的灯、空调及各类电器实现互联网控制
eCall C
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OTIS eCall C can call elevator via Bluetooth. The elevator would be summoned when you trigger "up & down" button in app, and then you can register the destination floor when you get into the cabin via app. Before calling elevator, you need to add OTIS elevator in the APP in advance, and enable your mobile Bluetooth. KEY FEATURES: -Summon elevator and select destination floor -Add multiple buildings and change whenever you need.
Screenshots
Verdict
The clearest difference is iOS requirement: 智慧式用电 at 9.0 against eCall C's 12.0. 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.
智慧式用电 ships an update every 4 months, eCall C every 3 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.
| Parameter | 智慧式用电 | eCall C |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 20 MB | 34 MB |
| Age rating | 4+ | 17+ |
| Developer | Mantunsci | Otis High Rise Elevator (Shanghai) Co.,Ltd. |
In-app purchases
智慧式用电
No in-app purchases
eCall C
No in-app purchases
