Comparison

BMS vs BAT

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

Head to head
About

BMS

Monitor and manage your device's battery health with real-time data, historical records, and customizable alerts for over-charge, over-discharge, and temperature. Connect locally via Bluetooth or remotely via Wi-Fi to track battery status, cell performance, and potential issues.

Highlights
  • Real-time battery data (current, voltage, SOC, SOH)
  • Cell-level monitoring
  • Historical alarm and protection records
  • Customizable warning values
  • Bluetooth and Wi-Fi connectivity
  • Device sharing and management
Read full description

This app allows users to bind their devices easily and conveniently at anytime and anywhere,view battery health status, and record, diagnose and warn the real-time status of the battery.It is a good helper for users in operating and maintaining their devices. 【Parameter settings】 Preset warning values for over-charge, over-discharge , over-current, and over-temperature,When the battery status reaches the preset warning value, the system will send out an alarm signal to remind users to pay attention to the battery's status and performance. 【Real-time data】 Summary data: including battery current, voltage, number of cells, cycle times, SOC, SOH, temperature and other parameters; Cell data: including independent voltage, independent current, cycle times, SOC, SOH, temperature and other parameters of the cell; Voltage temperature: including the number of cells, cell voltage, cell temperature and other parameters; Status data: including protection, indication, control, fault, battery balance, alarm and other status. 【Historical data】 Record the alarm state, protection state, fault occurrence state and development process of the battery history,which can help the users to understand the state and performance of the battery. 【Connection method】 Local control: Through Bluetooth communication, no need to log in with an account, directly search for nearby Bluetooth signals, one-to-one connection, ready to use; Remote control: through WIFI communication,need to register an account to log in, the APP and the device will automatically perform network distribution operations, and bind the account and device. 【My device】 Forgot password: reset password through email; Edit device: Long press the device item, the edit menu will pop up at the bottom, you can modify the device nickname or delete the device; Share device: Long press the device item, the device administrator who first configures the network and binds the account, can generate a QR code for the device for other users to scan the code to add.

About

BAT

Monitor and manage your lithium batteries in real-time with instant access to battery health, charging status, voltage, current, and temperature. This app provides advanced diagnostics and a clear interface for various applications like RVs, solar systems, and EVs.

Highlights
  • Real-time battery monitoring
  • Battery dashboard (SOC, SOH, voltage, current)
  • Individual cell monitoring
  • Temperature monitoring
  • Advanced diagnostics and fault detection
  • Runtime estimator
  • Clean and professional interface
Read full description

BAT-BMS Pro – Smart Battery Monitor Monitor and manage your lithium batteries in real time. BAT-BMS Pro gives you instant access to battery health, charging status, voltage, current, temperature, and advanced diagnostics—all from your iPhone or iPad. Whether you're monitoring RV batteries, solar energy systems, marine batteries, electric vehicles, or custom lithium battery packs, BAT-BMS Pro provides the tools you need to stay informed and maximize battery performance. FEATURES Real-Time Battery Monitoring Live battery status Charging & discharging information Instant performance updates Continuous monitoring Battery Dashboard State of Charge (SOC) State of Health (SOH) Pack Voltage Current Power Remaining Capacity Battery Status Cell Monitoring Individual cell voltages Cell voltage difference Highest & lowest cell detection Cell balancing status Temperature Monitoring Real-time temperature sensors Battery protection monitoring Thermal safety indicators Advanced Diagnostics Battery status monitoring Protection warnings Fault detection Battery health information Runtime Estimator Estimate remaining runtime based on current power consumption and available battery capacity. Clean & Professional Interface Designed for speed, clarity, and ease of use with a modern interface optimized for both iPhone and iPad. Perfect For RV & Camper Batteries Solar Energy Storage Marine Applications Electric Vehicles Off-Grid Power Systems LiFePO₄ Battery Packs DIY Battery Projects Stay connected to your battery system with accurate real-time monitoring and powerful diagnostics—all in one professional application.

Screenshots

BMS4 screens
BAT4 screens

Verdict

The call

The clearest difference is rating: BMS at 5.0 against BAT's 1.0. BMS also leads on ads (none vs shown) and review sentiment (20% vs 0%). BAT's advantage is ratings volume (3 vs 1). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

BMS holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 20% of BMS's written reviews are positive against 0% of BAT's.

UpkeepUpdate frequency

BMS ships an update every 2 months, BAT every 3 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 5 level
BMS versus BAT: the parameters behind the verdict, then further details
ParameterBMSBAT
PriceFreeFree
Rating5.0 (1 ratings) — better1.0 (3 ratings)
Positive reviews20.0% of reviews — better0.0% of reviews
Number of ratings13 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size40 MB18 MB
Age rating17+12+
Developer秀丽 唐Mouad Bousbaa

Customer experience

BMS

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive20.0%
Neutral60.0%
Negative20.0%

BAT

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

BMS

No in-app purchases

None

BAT

No in-app purchases

Questions

Is BMS free?
BMS is free to download, with no in-app purchases.
Is BAT free?
BAT is free to download, with no in-app purchases.
Which has better reviews, BMS or BAT?
BMS is rated higher. BMS averages 5.0 out of 5 from 1 ratings, while BAT averages 1.0 from 3 ratings.
Do BMS or BAT have ads?
BAT shows ads; BMS does not.
Which is updated more often, BMS or BAT?
BMS ships an update every 2 months, and BAT every 3 months. Most recently, BMS was updated on October 10, 2026 and BAT on October 8, 2026.

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