SmartESS vs Solar Guardian
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
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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.
Solar Guardian
Monitor and control various solar energy systems, including inverters, chargers, and storage solutions. Adjust parameters and view data for optimal energy management.
- Data display for solar systems
- Parameter setting for inverters
- Supports grid-tie inverters
- Hybrid inverter management
- Energy storage system monitoring
- Home and mobile energy storage control
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Solar Guardian is a new application with the core function of data display and parameter setting for inverters, solar chargers, grid-tie inverters, hybrid inverters, energy storage systems, N+1 hybrid systems, home energy storage and mobile energy storage.
Screenshots
Verdict
The clearest difference is rating: SmartESS at 2.7 against Solar Guardian's 2.4. SmartESS also leads on ratings volume (125 vs 16). On price, review sentiment, 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.
SmartESS holds the better App Store score, 2.7 against 2.4. That said, the two scores are not equally well evidenced: SmartESS has 125 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 20% of SmartESS's written reviews are positive against 17% of Solar Guardian's.
SmartESS ships an update monthly, Solar Guardian every 2 months. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.
| Parameter | SmartESS | Solar Guardian |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (125 ratings) — better | 2.4 (16 ratings) |
| Positive reviews | 19.7% of reviews — better | 16.7% of reviews |
| Number of ratings | 125 — better | 16 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 198 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | 祥梯 孟 | BEIJING EPSOLAR TECHNOLOGY CO., LTD. |
Customer experience
SmartESS
Solar Guardian
In-app purchases
SmartESS
No in-app purchases
Solar Guardian
No in-app purchases
