KT Smart WiFi vs Power Zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KT Smart WiFi
Control multiple home appliances remotely using your smartphone. This app leverages cloud technology and smart link setup for easy connection to your WiFi smart sockets, allowing you to manage devices from anywhere.
- Remote appliance control
- Cloud technology integration
- Smart link setup
- Manage multiple devices
- Control from anywhere
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The app of WIFI smart socket which is base on cloud-technology can control multiple home appliances through your intelligment phone in anytime&anywhere .the latest technology:Smart link is used. how to set the device? It is just to fill in the Wifi password to complete the setting
Power Zero
Monitor and control your smart energy devices remotely. Track energy usage and production in real-time, find ways to improve efficiency, and manage your solar system's status.
- Real-time energy usage tracking
- Energy production monitoring
- Energy efficiency improvement suggestions
- Remote smart home device control
- Solar system status monitoring
- Historical energy data
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Manage your Power Zero smart energy devices anytime, anywhere Maximize your Power Zero experience and save battery with the Power Zero App: · Track your energy usage and production in real time with Mobile Optimized Energy · Find ways to improve energy efficiency · Control your smart home devices and remotely manage your Power Zero energy usage · Monitor the status of your solar system in real-time as well as various historical status data
Screenshots
Verdict
The clearest difference is rating: KT Smart WiFi at 5.0 against Power Zero's 3.0. KT Smart WiFi also leads on update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (8.0 vs 15.5). Power Zero's advantage is review sentiment (41% vs 15%). On price, ratings volume, 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.
KT Smart WiFi holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews complicate that: 15% of KT Smart WiFi's written reviews are positive against 41% of Power Zero's, so the app with the better star average is not the one people write more warmly about.
KT Smart WiFi ships an update every 2 weeks, Power Zero every 6 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | KT Smart WiFi | Power Zero |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 15.3% of reviews | 40.9% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 21 MB | 149 MB |
| Age rating | 4+ | 12+ |
| Developer | Eltra nv | 毅 伍 |
Customer experience
KT Smart WiFi
Power Zero
In-app purchases
KT Smart WiFi
No in-app purchases
Power Zero
No in-app purchases
