Comparison

BMS Tool vs JK BMS

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

JK BMS

This application connects to battery management systems via Bluetooth to monitor and control active equalizers. It allows users to view real-time status and adjust operating parameters for battery management equipment.

Highlights
  • Bluetooth connectivity
  • Real-time status monitoring
  • Operating parameter setting
  • Battery management equipment control
Features
Read full description

This APP is used for battery management systems and connects to active equalizers via Bluetooth, enabling the display and setting of parameters for the active equalizers. The specific functional modules are as follows: - Real-time status monitoring; - Operating parameter setting; - Battery management system equipment control.

Screenshots

BMS Tool4 screens
JK BMS4 screens

Verdict

The call

The clearest difference is in-app purchases: JK BMS at none against BMS Tool's 1. JK BMS also leads on ads (none vs shown) and update cadence (weekly vs every 6 weeks). On price, rating, review sentiment and ratings volume 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. JK BMS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

JK BMS holds the better App Store score, 4.1 against 3.9. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 75% of JK BMS's.

UpkeepUpdate frequency

BMS Tool ships an update every 6 weeks, JK BMS weekly. Both last shipped on November 10, 2026.

Scorecard4 real differences · 6 level
BMS Tool versus JK BMS: the parameters behind the verdict, then further details
ParameterBMS ToolJK BMS
PriceFreeFree
Rating3.9 (7 ratings)4.1 (8 ratings) — better
Positive reviews71.4% of reviews75.0% of reviews — better
Number of ratings78 — better
Update frequencyEvery 6 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.015.6 — better
Further details — not scored
Size21 MB15 MB
Age rating4+4+
Developere77code GmbH鹏 张

Customer experience

BMS Tool

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews7 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

JK BMS

All ratings8 ratings
Positive75.0%
Neutral12.5%
Negative12.5%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

1 purchases

BMS Tool

One-time1
  • Remove Ads$3.99
None

JK BMS

No in-app purchases

Questions

Is BMS Tool free?
BMS Tool is free to download, with in-app purchases available.
Is JK BMS free?
JK BMS is free to download, with no in-app purchases.
Which has better reviews, BMS Tool or JK BMS?
JK BMS is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while JK BMS averages 4.1 from 8 ratings.
Do BMS Tool or JK BMS have ads?
BMS Tool shows ads; JK BMS does not.
Which is updated more often, BMS Tool or JK BMS?
BMS Tool ships an update every 6 weeks, and JK BMS weekly. Most recently, BMS Tool was updated on November 10, 2026 and JK BMS on November 10, 2026.

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