Comparison

BMS Tool vs BBMSS

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) - 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.

About

BBMSS

This app connects to external battery management systems via Bluetooth to collect crucial battery data. It retrieves information like SOH, SOC, voltage, current, cycle counts, temperature, cell voltages, and protection status. This enables monitoring of battery health and functionality for devices equipped with BMS.

Highlights
  • Bluetooth connectivity to BMS
  • Collects SOH and SOC
  • Monitors voltage and current
  • Tracks charge/discharge cycles
  • Records temperature data
  • Displays cell voltages
  • Shows protection status
Features
Read full description

通过手机蓝牙搜索并连接外围BMS设备,采集外围BMS设备的电池数据。采集的数据有SOH,SOC,总电压,总电流,充放电循环次数,电池各个部位的温度,电池中每个电芯的单体电压,电池产品的保护状态和电池产品某些功能是否正常工作的信息。相关的硬件产品就是带电池管理系统的电池保护板。

Screenshots

BMS Tool3 screens
BBMSS2 screens

Verdict

The call

The clearest difference is rating: BMS Tool at 3.9 against BBMSS's 1.0. BMS Tool also leads on update cadence (every 2 months vs every 11 months) and ratings volume (7 vs 1). BBMSS's advantage is in-app purchases (none vs 1) and ads (none vs shown). 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. BBMSS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BMS Tool holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: BMS Tool has 7 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

BMS Tool ships an update every 2 months, BBMSS every 11 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard7 real differences · 3 level
BMS Tool versus BBMSS: the parameters behind the verdict, then further details
ParameterBMS ToolBBMSS
PriceFreeFree
Rating3.9 (7 ratings) — better1.0 (1 ratings)
Positive reviews71.4% of reviews—
Number of ratings7 — better1
Update frequencyEvery 2 months — betterEvery 11 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size20 MB9 MB
Age rating4+4+
Developere77code GmbHHunan Ginkgo Data Technology Co., Ltd.

In-app purchases

1 purchases

BMS Tool

One-time1
  • Remove Ads$3.99
None

BBMSS

No in-app purchases

Questions

Is BMS Tool free?
BMS Tool is free to download, with in-app purchases available.
Is BBMSS free?
BBMSS is free to download, with no in-app purchases.
Which has better reviews, BMS Tool or BBMSS?
BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while BBMSS averages 1.0 from 1 ratings.
Do BMS Tool or BBMSS have ads?
BMS Tool shows ads; BBMSS does not.
Which is updated more often, BMS Tool or BBMSS?
BMS Tool ships an update every 2 months, and BBMSS every 11 months. Most recently, BMS Tool was updated on October 29, 2026 and BBMSS on October 27, 2026.

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