Comparison

BMS Tool vs EJBMS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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) - 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.

About

EJBMS

Features
Read full description

The Apps main feature is to monitor the details of the E&J Lithium battery. The Phone via Bluetooth connectivity will monitor the following information from the battery. Battery Capacity Battery Voltage Battery Current (Amps) Battery State of Charge (SOC) Battery State of Health (SOH) Battery Status Individual Cell Voltage Battery Temperature Battery Cycles

Screenshots

BMS Tool4 screens
EJBMS3 screens

Verdict

The call

The clearest difference is in-app purchases: EJBMS at none against BMS Tool's 1. EJBMS also leads on ads (none vs shown) and update cadence (weekly vs every 6 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BMS Tool sells 1 one-off in-app purchase. EJBMS asks for nothing beyond the download.

UpkeepUpdate frequency

BMS Tool ships an update every 6 weeks, EJBMS weekly. Both last shipped on November 7, 2026.

Scorecard4 real differences · 6 level
BMS Tool versus EJBMS: the parameters behind the verdict, then further details
ParameterBMS ToolEJBMS
PriceFreeFree
Rating3.9 (7 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings7 — better—
Update frequencyEvery 6 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.09.0 — better
Further details — not scored
Size21 MB2 MB
Age rating4+4+
Developere77code GmbHE&Jtechnology

In-app purchases

1 purchases

BMS Tool

One-time1
  • Remove Ads$3.99
None

EJBMS

No in-app purchases

Questions

Is BMS Tool free?
BMS Tool is free to download, with in-app purchases available.
Is EJBMS free?
EJBMS is free to download, with no in-app purchases.
Do BMS Tool or EJBMS have ads?
BMS Tool shows ads; EJBMS does not.
Which is updated more often, BMS Tool or EJBMS?
BMS Tool ships an update every 6 weeks, and EJBMS weekly. Most recently, BMS Tool was updated on November 7, 2026 and EJBMS on November 7, 2026.

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