DeltaSolar vs Q.OMMAND PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DeltaSolar
Monitor your solar energy system's performance remotely or onsite. Track energy production, consumption, and export, with historical data for analysis. View grid and solar power voltage, frequency, and amps for comprehensive system insights.
- Remote Wi-Fi access
- Direct onsite connection
- Energy status and analysis
- Production, consumption, export data
- Historical performance data
- Grid and solar voltage/frequency monitoring
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Connect the Delta equipment to the sites Wi-Fi connection for remote access anywhere or connect directly to the inverter onsite using your smart device eliminating the need to have a Wi-Fi internet service. •Full “At a Glance” energy status and analysis •Display of production, consumption, energy bought and energy exported* •Historic data available by day, month or year for comparisons of performance •View grid voltage and frequency as well as the solar power voltage and amps •Easy commission and connect method *Requires the installation of the CT clamp and cable or external power meter. Delta’s P2P (point to point) feature offers the ability to connect your smart device directly to your inverter or battery and receive rapid data update to see your loads and generation as it happens. A new web portal version of the app is also available using your app login details at https://mydeltasolar.deltaww.com.
Q.OMMAND PRO
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Q.OMMAND PRO is the app for fast and accurate installation, commissioning as well as easy O&M, offering installers an all-in-one solution to commission, monitor, and control systems more efficiently than ever before. Easy New Site Creation Site and Installation information at a glance Automatically configured system settings options Fast S/N recognition of Solar, Energy Storage System Convenient Array & Mapping editor
Screenshots
Verdict
The clearest difference is update cadence: Q.OMMAND PRO at every 3 weeks against DeltaSolar's every 2 months. DeltaSolar's advantage is iOS requirement (11.0 vs 16.0). 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.
DeltaSolar ships an update every 2 months, Q.OMMAND PRO every 3 weeks. The most recent releases landed on July 19, 2026 and August 16, 2026 respectively.
| Parameter | DeltaSolar | Q.OMMAND PRO |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 136 MB | 131 MB |
| Age rating | 4+ | 4+ |
| Developer | Delta Electronics, Inc. | Q CELLS Technologies |
In-app purchases
DeltaSolar
No in-app purchases
Q.OMMAND PRO
No in-app purchases
