# KG Serials vs SMART BMS Pro

The clearest difference is rating: KG Serials at 3.4 against SMART BMS Pro's 2.0. KG Serials also leads on ratings volume (7 vs 1) and iOS requirement (9.0 vs 13). SMART BMS Pro's advantage is update cadence (every 2 weeks vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

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

KG Serials holds the better App Store score, 3.4 against 2.0. That said, the two scores are not equally well evidenced: KG Serials has 7 ratings behind it against 1, so its average is the more settled of the two.

KG Serials ships an update monthly, SMART BMS Pro every 2 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | KG Serials | SMART BMS Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/kg-serials/id1556594835/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/smart-bms-pro/id6747797943/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 30 MB | 113 MB |
| Requires iOS | **9.0** | 13 |
| 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


### SMART BMS Pro

[App page](https://appshunter.io/ios/app/smart-bms-pro/id6747797943)

Connect to and manage lithium battery packs via Bluetooth. Monitor battery status, set protection parameters with password access, and receive fault alarms. Ideal for users needing detailed battery pack oversight.

**Highlights:** Bluetooth connection for battery packs, Real-time battery status monitoring, Set and secure protection parameters, Monitor battery fault alarms, Password protection for modifications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KG Serials free?

KG Serials is free to download, with no in-app purchases.

### Is SMART BMS Pro free?

SMART BMS Pro is free to download, with no in-app purchases.

### Which has better reviews, KG Serials or SMART BMS Pro?

KG Serials is rated higher. KG Serials averages 3.4 out of 5 from 7 ratings, while SMART BMS Pro averages 2.0 from 1 ratings.

### Do KG Serials or SMART BMS Pro have ads?

Neither KG Serials nor SMART BMS Pro shows ads.

### Which is updated more often, KG Serials or SMART BMS Pro?

KG Serials ships an update monthly, and SMART BMS Pro every 2 weeks. Most recently, KG Serials was updated on October 7, 2026 and SMART BMS Pro on October 15, 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.*