BMS Tool vs ExtraPOWER App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BMS Tool
Monitor your battery management systems via Bluetooth. Supports multiple BMS types including Liontron, XiaoXiang, ANT, and Wattstunde. Offers a screen always-on mode and macOS compatibility.
- Screen Always ON mode
- Multiple BMS support
- Liontron BMS read-only
- XiaoXiang BMS read-only
- ANT BMS read-only
- Wattstunde LiFePo4 read-only
- macOS support
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Universal BMS (Battery Management) monitoring app. Actual functionality: - Screen Always ON mode - Multiple BMS View / support - Read only support for Liontron BMS - Read only support for XiaoXiang BMS - Read only support for ANT BMS - Read only support for Wattstunde LiFePo4 batteries - Support for macOS Functionality Requests please submit on GitHub.
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
The clearest difference is in-app purchases: ExtraPOWER App at none against BMS Tool's 1. ExtraPOWER App also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.2). On price and device support 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. BMS Tool sells 1 one-off in-app purchase. ExtraPOWER App asks for nothing beyond the download.
| Parameter | BMS Tool | ExtraPOWER App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 2 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.2 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | e77code GmbH | 奎 江 |
In-app purchases
BMS Tool
- Remove Ads$1.99
ExtraPOWER App
No in-app purchases









