# KG Serials vs EnerKey

The clearest difference is review sentiment: EnerKey at 75% against KG Serials's 0%. KG Serials's advantage is rating (3.4 vs 3.0) and update cadence (monthly vs every 2 months). On price, ratings volume, ads and in-app purchases 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 3.0. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews complicate that: 0% of KG Serials's written reviews are positive against 75% of EnerKey's, so the app with the better star average is not the one people write more warmly about.

KG Serials ships an update monthly, EnerKey every 2 months. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | KG Serials | EnerKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/kg-serials/id1556594835/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/enerkey/id6447932138/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 30 MB | 31 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) | [Shenzhen Jinwei Power Source Technology Co., Ltd](https://appshunter.io/developer/1683049152) |

## 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


### EnerKey

[App page](https://appshunter.io/ios/app/enerkey/id6447932138)

Monitor and control your lithium battery system in real-time. View current status, historical data, and adjust protective parameters to ensure safe operation. Receive instant alerts for any abnormal conditions.

**Highlights:** Real-time battery monitoring, Historical data inquiry, Parameter setting, Alarm notifications, Voltage, current, and temperature display

**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 EnerKey free?

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

### Which has better reviews, KG Serials or EnerKey?

KG Serials is rated higher. KG Serials averages 3.4 out of 5 from 7 ratings, while EnerKey averages 3.0 from 3 ratings.

### Do KG Serials or EnerKey have ads?

Neither KG Serials nor EnerKey shows ads.

### Which is updated more often, KG Serials or EnerKey?

KG Serials ships an update monthly, and EnerKey every 2 months. Most recently, KG Serials was updated on October 7, 2026 and EnerKey on September 25, 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.*