# KG Serials vs LD iConnect

The clearest difference is update cadence: KG Serials at monthly against LD iConnect's every 6 months. KG Serials also leads on device support (3 vs 1) and iOS requirement (9.0 vs 18.0). LD iConnect's advantage is rating (3.8 vs 3.4). On price, review sentiment, ratings volume 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.

LD iConnect holds the better App Store score, 3.8 against 3.4. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

KG Serials ships an update monthly, LD iConnect every 6 months. The most recent releases landed on July 3, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | KG Serials | LD iConnect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (7 ratings)](https://appshunter.io/ios/app/kg-serials/id1556594835/reviews) | **[3.8 (4 ratings)](https://appshunter.io/ios/app/ld-iconnect/id1561316928/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | Free |
| Size | 30 MB | 21 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) | [华丽 文](https://appshunter.io/developer/1560317661) |

## 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


### LD iConnect

[App page](https://appshunter.io/ios/app/ld-iconnect/id1561316928)

Monitor your solar charge controller remotely via Wi-Fi or Bluetooth. Access real-time work information, historical data, and equipment parameters for your PV system. Adjust device settings directly from your phone.

**Highlights:** Wireless monitoring (Wi-Fi/Bluetooth), Real-time work information, Historical data access, Equipment parameter display, PV system information, Device parameter settings

**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 LD iConnect free?

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

### Which has better reviews, KG Serials or LD iConnect?

LD iConnect is rated higher. KG Serials averages 3.4 out of 5 from 7 ratings, while LD iConnect averages 3.8 from 4 ratings.

### Do KG Serials or LD iConnect have ads?

Neither KG Serials nor LD iConnect shows ads.

### Which is updated more often, KG Serials or LD iConnect?

KG Serials ships an update monthly, and LD iConnect every 6 months. Most recently, KG Serials was updated on July 3, 2026 and LD iConnect on June 5, 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.*