# KG Serials vs Balance BMS

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | KG Serials | Balance BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (8 ratings)](https://appshunter.io/ios/app/kg-serials/id1556594835/reviews) | **[4.0 (6 ratings)](https://appshunter.io/ios/app/balance-bms/id6467124096/reviews)** |
| Number of ratings | **8** | 6 |
| Positive reviews | 0.0% of reviews | **30.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 30 MB | 56 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### KG Serials

[App page](https://appshunter.io/ios/app/kg-serials/id1556594835)

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:** macOS Compatibility

**In-app purchases:** none


### Balance BMS

[App page](https://appshunter.io/ios/app/balance-bms/id6467124096)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*