SolarMate vs KG Serials
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SolarMate
Monitor your photovoltaic (PV) system's performance with this intelligent app. Connect wirelessly to your devices to view real-time work information, historical data, and equipment parameters. Adjust device settings and gain insights into your PV system's overall health.
- Wireless PV device monitoring
- Real-time work information
- Historical data tracking
- Equipment parameter display
- PV system information
- Device parameter settings
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SolarMate is an intelligent PV monitoring APP software. It works with wireless module(Cloud-Box-M2 or BT-02), SolarMate APP can monitor the PV devices by connecting wireless module. Users can obtain work information, historical data, equipment parameters, information of PV system and set device parameters.
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.
Screenshots
Verdict
The clearest difference is rating: KG Serials at 3.4 against SolarMate's 2.1. KG Serials also leads on iOS requirement (9.0 vs 11.0). SolarMate's advantage is review sentiment (14% vs 0%). On price, ratings volume, update cadence 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.
KG Serials holds the better App Store score, 3.4 against 2.1. Both are backed by a comparable volume of ratings — 17 and 7 respectively. Written reviews complicate that: 14% of SolarMate's written reviews are positive against 0% of KG Serials's, so the app with the better star average is not the one people write more warmly about.
SolarMate ships an update every 2 months, KG Serials monthly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | SolarMate | KG Serials |
|---|---|---|
| Price | Free | Free |
| Rating | 2.1 (17 ratings) | 3.4 (7 ratings) — better |
| Positive reviews | 14.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 17 — better | 7 |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 61 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | 赵标 阙 | Hangzhou Junce Instruments Co., Ltd. |
Customer experience
SolarMate
KG Serials
In-app purchases
SolarMate
No in-app purchases
KG Serials
No in-app purchases
