SmartESS vs EG4 Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartESS
Monitor your energy storage machine's status in real-time with this mobile application. It offers easy-to-understand data visualization, historical data access from anywhere, and displays information in multiple dimensions. The app is designed for efficient data transfer with minimal internet traffic usage.
- Real-time energy storage machine monitoring
- Intelligent data visualization
- Simple and easy-to-understand charts
- Access historical data anytime, anywhere
- Multi-dimensional data display
- Low internet traffic usage
Read full descriptionHide full description
Optical storage treasure is a mobile terminal application software for intelligent monitoring energy storage machine, which enables users to monitor the energy storage machine status information in real time more easily and quickly. intelligent Data visualization, the chart is simple and easy to understand More wise Show real-time and historical data over the web anytime, anywhere rich Display real-time and historical data in multiple dimensions save The traffic generated by the Internet is small, fast, and does not occupy large traffic charges.
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
Read full descriptionHide full description
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
SmartESS and EG4 Connect both sit at 2.7 stars, but that hides the real split: 35% of EG4 Connect's written reviews are positive against 20% of SmartESS's. SmartESS's advantage is update cadence (monthly vs every 2 months) and ratings volume (127 vs 24). On price, rating, ads and in-app purchases 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.
On the App Store both sit at effectively the same score — 2.7 for SmartESS against 2.8 for EG4 Connect. That said, the two scores are not equally well evidenced: SmartESS has 127 ratings behind it against 24, so its average is the more settled of the two. Written reviews are what separate them: 20% of SmartESS's written reviews are positive against 35% of EG4 Connect's.
SmartESS ships an update monthly, EG4 Connect every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | SmartESS | EG4 Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (127 ratings) | 2.8 (24 ratings) — better |
| Positive reviews | 19.7% of reviews | 35.3% of reviews — better |
| Number of ratings | 127 — better | 24 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 198 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | 祥梯 孟 | EG4 Electronics |
Customer experience
SmartESS
EG4 Connect
In-app purchases
SmartESS
No in-app purchases
EG4 Connect
No in-app purchases









