KG Serials vs Solar App
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.
Solar App
Connect and manage your solar energy system components, including controllers, inverters, and lithium batteries. Monitor your system's performance and ensure optimal energy generation.
- Connects solar controllers
- Connects inverters
- Connects lithium batteries
- Device management
- System monitoring
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This is an APP that can connect solar controller, inverter, lithium battery and other devices
Screenshots
Verdict
The clearest difference is rating: KG Serials at 3.6 against Solar App's 3.1. KG Serials also leads on iOS requirement (9.0 vs 12.0). On price, review sentiment, ratings volume and update cadence 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, 3.6 against 3.1. Both are backed by a comparable volume of ratings — 8 and 14 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
KG Serials ships an update monthly, Solar App every 3 weeks. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.
| Parameter | KG Serials | Solar App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (8 ratings) — better | 3.1 (14 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 8 | 14 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 30 MB | 90 MB |
| Age rating | 4+ | 17+ |
| Developer | Hangzhou Junce Instruments Co., Ltd. | 疆 郭 |
Customer experience
KG Serials
Solar App
In-app purchases
KG Serials
No in-app purchases
Solar App
No in-app purchases
