SolarAssistant vs EG4 Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SolarAssistant
This app connects to solar inverters via Bluetooth or WiFi for maintenance. It allows real-time monitoring of alarms, configuration parameters, and device health history. Quickly locate faults and enhance operational efficiency.
- Bluetooth/WiFi inverter connection
- Real-time alarm monitoring
- Configuration parameter access
- Log downloading
- Fault location and management
- Device health history query
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Solar Assistant is a mobile application software to communicate to inverter via Bluetooth or WiFi for query alarms, configuration parameters, log downloading routine maintenance functions, are lightweight proximal maintenance platform. Support iOS7.1 or later. Monitor in real time: easy to operate alarm browsing, fault management, operation and maintenance to enhance user productivity. Flexible data in real time query mechanism to facilitate customer inquiries device health history. Get fast fault location, ease of maintenance personnel to quickly locate the fault, timely response measures.
EG4 Connect
Monitor the status, running data, and events of your solar and energy storage systems. This application provides real-time insights into your energy infrastructure.
- Monitor system status
- View running data
- Track events
- Energy storage system insights
- Solar system monitoring
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EG4Connect is the ultimate, easy‑to‑use monitoring and management app for EG4's Energy Storage Systems, including the FlexBOSS, 18kPV, 12000XP, GridBOSS, and more. Built with simplicity at its core, EG4Connect makes it effortless to set up, view, and manage your solar power system! Key Features Fast, Simple Commissioning - Set up newly installed EG4 systems in just a few steps with clear, guided workflows. Real‑Time System Monitoring - Instantly see your solar production, power flow, and system status through clean, intuitive dashboards. Simple Device Management - Easily adjust settings and manage your EG4 devices with straightforward controls designed for anyone to use. Grid Service Controls - Manage & monetize your EG4 equipment through EG4 Grid services - all while never leaving the app. EG4Connect removes complexity so you can focus on what matters most: keeping your energy system running smoothly with confidence and ease.
Screenshots
Verdict
The clearest difference is rating: EG4 Connect at 2.8 against SolarAssistant's 1.0. EG4 Connect also leads on review sentiment (35% vs 0%) and ratings volume (23 vs 4). SolarAssistant's advantage is update cadence (every 11 days vs every 2 months) and iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
EG4 Connect holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: EG4 Connect has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of SolarAssistant's written reviews are positive against 35% of EG4 Connect's.
SolarAssistant ships an update every 11 days, EG4 Connect every 2 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.
| Parameter | SolarAssistant | EG4 Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (4 ratings) | 2.8 (23 ratings) — better |
| Positive reviews | 0.0% of reviews | 35.3% of reviews — better |
| Number of ratings | 4 | 23 — better |
| Update frequency | Every 11 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | 易事特集团股份有限公司 | EG4 Electronics |
Customer experience
SolarAssistant
EG4 Connect
In-app purchases
SolarAssistant
No in-app purchases
EG4 Connect
No in-app purchases









