# KG Serials vs FE

KG Serials and FE both sit at 3.4 stars, but that hides the real split: 50% of FE's written reviews are positive against 0% of KG Serials's. KG Serials's advantage is iOS requirement (9.0 vs 15.6). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.4 for KG Serials against 3.3 for FE. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews are what separate them: 0% of KG Serials's written reviews are positive against 50% of FE's.

KG Serials ships an update monthly, FE every 3 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KG Serials | FE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/kg-serials/id1556594835/reviews)** | [3.3 (8 ratings)](https://appshunter.io/ios/app/fe-shunt/id1593575892/reviews) |
| Number of ratings | 7 | **8** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 30 MB | 18 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) | [Hangzhou Dashi Wisdom Technology Co., Ltd.](https://appshunter.io/developer/1822219570) |

## 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


### FE

[App page](https://appshunter.io/ios/app/fe-shunt/id1593575892)

Monitor your battery's charging status, remaining time, and historical data with this Bluetooth-connected device. It provides a comprehensive overview of your battery's performance.

**Highlights:** 500 amp battery monitoring, Bluetooth connectivity, Real-time charging status, Remaining time estimation, Historical battery data

**Features:** 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 FE free?

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

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

KG Serials is rated higher. KG Serials averages 3.4 out of 5 from 7 ratings, while FE averages 3.3 from 8 ratings.

### Do KG Serials or FE have ads?

Neither KG Serials nor FE shows ads.

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

KG Serials ships an update monthly, and FE every 3 weeks. Most recently, KG Serials was updated on October 7, 2026 and FE on October 6, 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.*