BMS Tool vs EE
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
Read full descriptionHide full description
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.
EE
This application serves as a battery management system, acting as a crucial link between batteries and users. It focuses on protecting secondary batteries by preventing overcharging and over-discharging, thereby enhancing battery utilization. It is suitable for various lithium battery products like electric vehicles, scooters, robots, and drones.
- Battery protection
- Prevents overcharging
- Prevents over-discharging
- Increases battery utilization
- Supports various lithium batteries
- Ideal for EVs and drones
Read full descriptionHide full description
电池管理系统（BMS）是电池与用户之间的纽带 ，主要对象是对二次电池的保护，就是为了能够提高电池的利用率，防止电池出现过度充电和过度放电，可用于电动汽车，电瓶车，机器人，无人机等各种锂电池产品
Screenshots
Verdict
The clearest difference is review sentiment: BMS Tool at 71% against EE's 13%. BMS Tool also leads on rating (3.9 vs 2.1) and device support (4 vs 2). EE's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and update cadence 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. EE asks for nothing beyond the download.
BMS Tool holds the better App Store score, 3.9 against 2.1. Both are backed by a comparable volume of ratings — 7 and 10 respectively. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 13% of EE's.
Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 3, 2026.
| Parameter | BMS Tool | EE |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | 2.1 (10 ratings) |
| Positive reviews | 71.4% of reviews — better | 12.5% of reviews |
| Number of ratings | 7 | 10 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 7 MB |
| Age rating | 4+ | 17+ |
| Developer | e77code GmbH | 步泽 王 |
Customer experience
BMS Tool
EE
In-app purchases
BMS Tool
- Remove Ads$3.99
EE
No in-app purchases
