Comparison

BMS Tool vs Pro 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

Universal BMS (Battery Management) monitoring app. Actual functionality: - Screen Always ON mode - Multiple BMS View / support - Read only support for Liontron BMS - Read only support for XiaoXiang BMS - Read only support for ANT BMS - Read only support for Wattstunde LiFePo4 batteries - Support for macOS Functionality Requests please submit on GitHub.

About

Pro BMS

This utility app measures and displays real-time battery parameters like voltage, current, and capacity. It offers customizable protection functions and allows for voltage/current curve export. Control and monitoring are available via a mobile app.

Highlights
  • Real-time voltage and current measurement
  • Power, charge, and discharge capacity monitoring
  • Customizable protection functions (overvoltage, overcurrent, etc.)
  • Color LCD display of comprehensive data
  • Voltage and current curve display and export
  • Mobile app control and communication
Features
Read full description

The Pro BMS series voltage and ammeter is a new coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, watt-hour, time, etc. At the same time, parameters can also be set to realize various protection functions such as overvoltage protection, undervoltage protection, overcurrent protection, overpower protection, overtemperature protection and time-limited protection. The meter can automatically identify the direction of current flow In addition, the battery capacity can be monitored in real time and the measured data is displayed on a color LCD, which displays comprehensive and user-friendly information. The Pro BMS series voltage and ammeter adds the function of displaying and exporting voltage and current curves based on the original functions. At the same time, it can be controlled by mobile APP and communication.

Screenshots

BMS Tool4 screens
Pro BMS4 screens

Verdict

The call

The clearest difference is rating: BMS Tool at 3.9 against Pro BMS's 1.0. BMS Tool also leads on ratings volume (7 vs 1). Pro BMS's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Pro BMS 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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 3, 2026 and September 27, 2026 respectively.

Scorecard5 real differences · 5 level
BMS Tool versus Pro BMS: the parameters behind the verdict, then further details
ParameterBMS ToolPro BMS
PriceFreeFree
Rating3.9 (7 ratings) — better1.0 (1 ratings)
Positive reviews71.4% of reviews—
Number of ratings7 — better1
Update frequencyEvery 2 monthsEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.2 — better15.6
Further details — not scored
Size9 MB35 MB
Age rating4+4+
Developere77code GmbHShenzhen Leagend Optoelectronics Co., Ltd.

Customer experience

BMS Tool

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

Pro BMS

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

BMS Tool

One-time1
  • Remove Ads$1.99
None

Pro BMS

No in-app purchases

Questions

Is BMS Tool free?
BMS Tool is free to download, with in-app purchases available.
Is Pro BMS free?
Pro BMS is free to download, with no in-app purchases.
Which has better reviews, BMS Tool or Pro BMS?
BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while Pro BMS averages 1.0 from 1 ratings.
Do BMS Tool or Pro BMS have ads?
BMS Tool shows ads; Pro BMS does not.
Which is updated more often, BMS Tool or Pro BMS?
BMS Tool ships an update every 2 months, and Pro BMS every 2 months. Most recently, BMS Tool was updated on October 3, 2026 and Pro BMS on September 27, 2026.

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