KG Serials vs LD iConnect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KG Serials
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.
- 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
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The VAG series volt-ampere meter is a new type of coulomb counter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, watt-hours, time, etc. It can also set parameters to realize multiple protection functions such as over voltage protection, under voltage protection, over current protection, overpower protection, over temperature protection and time limit protection.The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time and display the measured data in use color LCD screen. The VAG series voltage and current meters add voltage and current curve display and export functions on the basis of the original functions. At the same time, the mobile phone APP and host computer can be used to control, and the firmware can also be updated and upgraded in real time.
LD iConnect
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.
- Wireless monitoring (Wi-Fi/Bluetooth)
- Real-time work information
- Historical data access
- Equipment parameter display
- PV system information
- Device parameter settings
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LD iConnect is an solar charge controller monitoring APP software. LD iConnect can monitor the solar charge controller by connecting wireless module(WIFI or Bluetooth). Users can obtain work information, historical data, equipment parameters, information of PV system and set device parameters.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | KG Serials | LD iConnect |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (7 ratings) | 3.8 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 7 — better | 4 |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 30 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Junce Instruments Co., Ltd. | 华丽 文 |
Customer experience
KG Serials
LD iConnect
In-app purchases
KG Serials
No in-app purchases
LD iConnect
No in-app purchases
