Comparison

BMS Tool vs BAT Check

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

BAT Check

Monitor your phone's battery directly from the BMS. View detailed information like State of Charge, Voltage, Current, and Power. Access alarms, protection settings, and important parameters for battery management.

Highlights
  • Real-time battery monitoring
  • Displays battery connection model (Single, Parallel, Series)
  • Detailed dashboard with SOC, Voltage, Current, Temperature
  • Status tab for alarms and BMS protection
  • Parameter tab for import settings
  • Bluetooth 5.0 connectivity
Features
Read full description

BAT Check Battery APP Description 1) Now you can monitor your battery on your phone directly from the BMS. 2) Displays the connect model of battery,such as Single、Parallel、Series,the Main page including : State of Charge, Voltage, Current, Power. 3) The "DASHBOARD" tab include some basic info,Such as SOC, Status, Current, Cell Voltages, Temprature, Charge Switch, Discharge Switch and so on. 4) The "Status" tab include some Alarms and the protection of bms. 5) The "Parameter" tab include some import parameter,Such as Current Params, Voltage Params, Temprature Params, Protect Count Params and so on. 7) This APP functions through Bluetooth 5.0, Maximum distance of communication on a typical phone is 10 meters (30 feet)

Screenshots

BMS Tool4 screens
BAT Check3 screens

Verdict

The call

The clearest difference is rating: BAT Check at 5.0 against BMS Tool's 3.9. BAT Check also leads on in-app purchases (none vs 1) and ads (none vs shown). BMS Tool's advantage is ratings volume (7 vs 2). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

BAT Check holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

UpkeepUpdate frequency

BMS Tool ships an update every 6 weeks, BAT Check every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
BMS Tool versus BAT Check: the parameters behind the verdict, then further details
ParameterBMS ToolBAT Check
PriceFreeFree
Rating3.9 (7 ratings)5.0 (2 ratings) — better
Positive reviews71.4% of reviews—
Number of ratings7 — better2
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.012.0 — better
Further details — not scored
Size21 MB11 MB
Age rating4+4+
Developere77code GmbH海波 刘

Customer experience

BMS Tool

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

BAT Check

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

BMS Tool

One-time1
  • Remove Ads$3.99
None

BAT Check

No in-app purchases

Questions

Is BMS Tool free?
BMS Tool is free to download, with in-app purchases available.
Is BAT Check free?
BAT Check is free to download, with no in-app purchases.
Which has better reviews, BMS Tool or BAT Check?
BAT Check is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while BAT Check averages 5.0 from 2 ratings.
Do BMS Tool or BAT Check have ads?
BMS Tool shows ads; BAT Check does not.
Which is updated more often, BMS Tool or BAT Check?
BMS Tool ships an update every 6 weeks, and BAT Check every 2 months. Most recently, BMS Tool was updated on November 7, 2026 and BAT Check on November 3, 2026.

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