BMS Tool vs BAT
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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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) - Daly smart BMS - 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 - History with charts and statistics: charge, power, voltage, temperatures and cells over a day, a week, a month or a year, energy per day, export as CSV - Alarms as notifications while the app runs - Home and lock screen widgets - 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.
BAT
Monitor your smart Bluetooth lithium batteries wirelessly from your phone. Track key metrics like state of charge, voltage, current, and temperature. Connect to multiple batteries simultaneously and view their data.
- Wireless Bluetooth connection
- Track cycle life
- Display SOC, voltage, current
- Monitor cell voltage and temperature
- Connect to multiple batteries
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This application is only suitable for Smart Bluetooth lithium battery. FEATURES 1. No need for a separate battery monitor. 2. Wirelessly connect to each battery from your phone. 3. Track Cycle Life on each battery. 4. Display SOC, voltage, charge and discharge current, cycle life, cell voltage and temperature. 5. The phone requires bluetooth5.0 with bluetooth low energy functions. 6. Operating distance: less than or equal to 15 meters 7. The APP can connect multiple batteries at a time, and the data of another battery can be viewed by switching between left and right pages. 8. If you want to connect this battery with another mobile phone,pls exit this app program from the first mobile phone.
Screenshots
Verdict
The clearest difference is review sentiment: BMS Tool at 71% against BAT's 24%. BMS Tool also leads on rating (3.9 vs 3.0). BAT's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence 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. BAT asks for nothing beyond the download.
BMS Tool holds the better App Store score, 3.9 against 3.0. That said, the two scores are not equally well evidenced: BAT has 77 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 24% of BAT's.
BMS Tool ships an update every 6 weeks, BAT every 3 weeks. Both last shipped on November 7, 2026.
| Parameter | BMS Tool | BAT |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | 3.0 (77 ratings) |
| Positive reviews | 71.4% of reviews — better | 24.1% of reviews |
| Number of ratings | 7 | 77 — better |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | e77code GmbH | Shenzhen Grenergy Technology Co.,Ltd. |
Customer experience
BMS Tool
BAT
In-app purchases
BMS Tool
- Remove Ads$3.99
BAT
No in-app purchases







