# FE vs KH

The clearest difference is review sentiment: FE at 50% against KH's 0%. KH's advantage is update cadence (every 5 days vs every 3 weeks) and iOS requirement (9.0 vs 15.6). 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.

FE ships an update every 3 weeks, KH every 5 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | FE | KH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (8 ratings)](https://appshunter.io/ios/app/fe-shunt/id1593575892/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 18 MB | 32 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Dashi Wisdom Technology Co., Ltd.](https://appshunter.io/developer/1822219570) | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) |

## What reviewers say

### 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


### KH

[App page](https://appshunter.io/ios/app/kh-f/id1665076881)

This utility measures electrical parameters like voltage, current, and power. It offers real-time monitoring of battery capacity and includes advanced protection functions. The app also supports data export and remote control via a mobile app or host computer.

**Highlights:** Measures voltage, current, power, and capacity, Real-time battery monitoring, Over-voltage, under-voltage, and over-current protection, Voltage and current curve display, Data export function, Mobile app and host computer control, Real-time firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FE free?

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

### Is KH free?

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

### Do FE or KH have ads?

Neither FE nor KH shows ads.

### Which is updated more often, FE or KH?

FE ships an update every 3 weeks, and KH every 5 days. Most recently, FE was updated on November 3, 2026 and KH on November 3, 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.*