Comparison

KG Serials vs Balance BMS

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

Head to head
About

KG Serials

This utility measures electrical parameters like voltage, current, and power. It offers multiple protection functions and real-time battery monitoring on a color LCD. The app also supports data export and remote control via mobile or PC.

Highlights
  • Measures voltage, current, power, capacity
  • Multiple protection functions (over/under voltage, over current)
  • Real-time battery monitoring
  • Color LCD display
  • Voltage and current curve display
  • Mobile app and PC control
  • Firmware updates
Features
Read full description

The VAG series volt-ampere meter is a new type of coulomb counter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, watt-hours, time, etc. It can also set parameters to realize multiple protection functions such as over voltage protection, under voltage protection, over current protection, overpower protection, over temperature protection and time limit protection.The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time and display the measured data in use color LCD screen. The VAG series voltage and current meters add voltage and current curve display and export functions on the basis of the original functions. At the same time, the mobile phone APP and host computer can be used to control, and the firmware can also be updated and upgraded in real time.

About

Balance BMS

This app allows users to connect to and manage lithium batteries via Bluetooth. It provides detailed information about battery status, helps identify and manage individual battery strings, and allows for setting and reading safety parameters. Users can also monitor and be alerted to battery faults.

Highlights
  • Bluetooth battery connection
  • Battery status query
  • Identify abnormal batteries
  • Set battery protection parameters
  • Monitor battery fault alarms
Features
Read full description

1. The uniqueness of the Bluetooth name ensures that users can accurately connect and manage the corresponding lithium battery; 2. Information query management can be performed on the battery, the user can query the relevant status of each string of batteries, and replace or maintain the abnormal battery; 3. Safety setting and reading battery protection parameters, user setting parameters, you need to enter a password to modify the parameters; 4. Monitor battery fault alarms and display the current faults,and the number of faults in the battery;

Screenshots

KG Serials4 screens
Balance BMS4 screens

Verdict

The call

The clearest difference is review sentiment: Balance BMS at 31% against KG Serials's 0%. Balance BMS also leads on rating (4.0 vs 3.6). KG Serials's advantage is iOS requirement (9.0 vs 12.0). On price, ratings volume, update cadence and ads 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

Balance BMS holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 8 and 6 respectively. Written reviews point the same way: 0% of KG Serials's written reviews are positive against 31% of Balance BMS's.

UpkeepUpdate frequency

KG Serials ships an update monthly, Balance BMS every 6 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

Scorecard3 real differences · 7 level
KG Serials versus Balance BMS: the parameters behind the verdict, then further details
ParameterKG SerialsBalance BMS
PriceFreeFree
Rating3.6 (8 ratings)4.0 (6 ratings) — better
Positive reviews0.0% of reviews30.8% of reviews — better
Number of ratings8 — better6
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size30 MB56 MB
Age rating4+17+
DeveloperHangzhou Junce Instruments Co., Ltd.所兵 邱

Customer experience

KG Serials

All ratings7 ratings
Positive57.1%
Neutral0.0%
Negative42.9%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Balance BMS

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews13 reviews
Positive30.8%
Neutral15.4%
Negative53.8%

In-app purchases

None

KG Serials

No in-app purchases

None

Balance BMS

No in-app purchases

Questions

Is KG Serials free?
KG Serials is free to download, with no in-app purchases.
Is Balance BMS free?
Balance BMS is free to download, with no in-app purchases.
Which has better reviews, KG Serials or Balance BMS?
Balance BMS is rated higher. KG Serials averages 3.6 out of 5 from 8 ratings, while Balance BMS averages 4.0 from 6 ratings.
Do KG Serials or Balance BMS have ads?
Neither KG Serials nor Balance BMS shows ads.
Which is updated more often, KG Serials or Balance BMS?
KG Serials ships an update monthly, and Balance BMS every 6 weeks. Most recently, KG Serials was updated on October 24, 2026 and Balance BMS on October 21, 2026.

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