# SolarMate vs KG Serials

The clearest difference is rating: KG Serials at 3.4 against SolarMate's 2.0. 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.

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 2.0. Both are backed by a comparable volume of ratings — 19 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 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SolarMate | KG Serials |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (19 ratings)](https://appshunter.io/ios/app/solarmate/id1530762477/reviews) | **[3.4 (7 ratings)](https://appshunter.io/ios/app/kg-serials/id1556594835/reviews)** |
| Number of ratings | **19** | 7 |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 61 MB | 30 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [赵标 阙](https://appshunter.io/developer/1323879519) | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) |

## What reviewers say

### SolarMate

[App page](https://appshunter.io/ios/app/solarmate/id1530762477)

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.

**Highlights:** Wireless PV device monitoring, Real-time work information, Historical data tracking, Equipment parameter display, PV system information, Device parameter settings

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SolarMate free?

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

### Is KG Serials free?

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

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

KG Serials is rated higher. SolarMate averages 2.0 out of 5 from 19 ratings, while KG Serials averages 3.4 from 7 ratings.

### Do SolarMate or KG Serials have ads?

Neither SolarMate nor KG Serials shows ads.

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

SolarMate ships an update every 2 months, and KG Serials monthly. Most recently, SolarMate was updated on October 20, 2026 and KG Serials on October 7, 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.*