极空BMS vs BMS Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
极空BMS
This application connects to a battery management system's active equalizer via Bluetooth. It allows for real-time monitoring of parameters and control over equipment settings.
- Real-time status monitoring
- Operating parameter settings
- Battery management system equipment control
- Bluetooth connectivity
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This APP is used in the battery management system, and connects to the active equalizer of the extreme space technology through Bluetooth to realize the parameter display and setting of the active equalizer. The specific function modules are as follows: -Real-time status monitoring; -Setting of operating parameters; -Battery management system equipment control.
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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BMS Tool shows the state of your battery from its battery management system (BMS) over Bluetooth, on the iPhone, the iPad, the Mac and the Apple Watch. Supported BMS: - JBD / XiaoXiang smart BMS, also in Liontron batteries - JK BMS (Jikong) - ANT BMS, the older boards and the newer ANT-BLE boards - Seplos V2 and V3 - Redodo, LiTime, PowerQueen and Starry Sea batteries - WattCycle batteries - Wattstunde LiFePO4 and Wattstunde Nova Core batteries - Ective, LiFeBlue, KiloVault, Enerdrive, Noovi and StartCraft batteries Features: - Charge, voltage, current and power at a glance - Time until full while charging and until empty while discharging, estimated from the present current - Every cell voltage with minimum, maximum, difference and balancing - Temperature sensors, alarms and BMS information - Several batteries in one list, each with its own name - Search for new devices can be switched off: only your own batteries stay in the list - Session values and a CSV log of the readings - Home screen widget - Apple Watch app with complications: charge, cells, temperatures and alarms of the battery open on the iPhone - The display can stay on while the app is open The app reads the values of the BMS and does not change its settings. Ideas and requests are welcome at web.e77code.com/bms-tool.
Screenshots
Verdict
The clearest difference is review sentiment: BMS Tool at 71% against 极空BMS's 34%. BMS Tool also leads on rating (3.9 vs 3.4) and device support (4 vs 1). 极空BMS's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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. 极空BMS asks for nothing beyond the download.
BMS Tool holds the better App Store score, 3.9 against 3.4. That said, the two scores are not equally well evidenced: 极空BMS has 38 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 34% of 极空BMS's written reviews are positive against 71% of BMS Tool's.
极空BMS ships an update every 3 weeks, BMS Tool every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | 极空BMS | BMS Tool |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (38 ratings) | 3.9 (7 ratings) — better |
| Positive reviews | 34.3% of reviews | 71.4% of reviews — better |
| Number of ratings | 38 — better | 7 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 17 | 15.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 20 MB |
| Age rating | 17+ | 4+ |
| Developer | 鹏 张 | e77code GmbH |
Customer experience
极空BMS
BMS Tool
In-app purchases
极空BMS
No in-app purchases
BMS Tool
- Remove Ads$3.99








