SAKO Cloud vs ExtraPOWER App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SAKO Cloud
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1. The most advanced collector can be used for data monitoring 2. Accurate data, dynamic graph display, clear and clear 3. One click device addition 4. Data from multi-angle professional analysis equipment
ExtraPOWER App
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Extra Power is a powerful and user-friendly mobile application that gives you complete insight and control over your Bluetooth-enabled smart batteries. Perfect for electric vehicles, solar energy systems, portable power stations, and more—Extra Power turns complex battery data into clear, actionable information. Key Features: Bluetooth Device Discovery & Broadcasting Browse a live list of nearby Bluetooth battery devices. Your device can also broadcast its presence to be detected by other users. Real-Time Battery Dashboard Once connected, view critical battery metrics in real time, including: • State of Charge (SOC) • Total Voltage • Current (Charge/Discharge) • Instantaneous Power (Watts) • Individual Cell or String Voltages Battery Control Panel Take command of your battery system: • Check the status of charge and discharge MOSFETs • Remotely enable or disable the discharge switch for safety or maintenance Customize Your Device Easily rename your Bluetooth battery directly from the app—making it simple to identify and manage multiple units. Built for both professionals and everyday users, Extra Power delivers precision, reliability, and peace of mind—all from the palm of your hand. Extra Power: See more. Control more. Power smarter.
Screenshots
Verdict
SAKO Cloud and ExtraPOWER App are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.
| Parameter | SAKO Cloud | ExtraPOWER App |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 107 MB | 33 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen Energy Control Cloud Technology Co., Ltd | 奎 江 |
In-app purchases
SAKO Cloud
No in-app purchases
ExtraPOWER App
No in-app purchases









