Smart Cloud vs SolarMax Onyx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Cloud
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Smart Cloud is a monitoring product specifically designed for energy storage and battery systems, providing clear and intuitive verification. You can observe the real-time operation of the system through this application. -Easily check the operating status and performance of the system. -Support viewing detailed system operation status on a monthly, daily, or hourly basis. -Remote firmware upgrade, etc.
SolarMax Onyx
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SolarMax Onyx APP to monitor inverter data/log and provide inverter configuration.
Screenshots
Verdict
The clearest difference is update cadence: Smart Cloud at every 6 weeks against SolarMax Onyx's every 5 months. SolarMax Onyx's advantage is iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support 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.
Smart Cloud ships an update every 6 weeks, SolarMax Onyx every 5 months. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.
| Parameter | Smart Cloud | SolarMax Onyx |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 74 MB | 42 MB |
| Age rating | 4+ | 17+ |
| Developer | Smart Cloud Srl | Power Highway |
In-app purchases
Smart Cloud
No in-app purchases
SolarMax Onyx
No in-app purchases
