BMS Tool vs SMB Link
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.
SMB Link
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This professional-grade BMS allows for real-time monitoring and updating of battery operational data via a Bluetooth connection to a mobile device.
Screenshots
Verdict
The clearest difference is in-app purchases: SMB Link at none against BMS Tool's 1. SMB Link also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). 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. SMB Link asks for nothing beyond the download.
BMS Tool ships an update every 6 weeks, SMB Link every 3 weeks. The most recent releases landed on November 11, 2026 and October 5, 2026 respectively.
| Parameter | BMS Tool | SMB Link |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 8 — 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 | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 36 MB |
| Age rating | 4+ | 17+ |
| Developer | e77code GmbH | Shenzhen Mottcell New Energy Technology Co.,Ltd |
In-app purchases
BMS Tool
- Remove Ads$3.99
SMB Link
No in-app purchases
