# DeltaSolar vs Q.OMMAND PRO

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.

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.

## The numbers

| Metric | DeltaSolar | Q.OMMAND PRO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 136 MB | 131 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) | [Q CELLS Technologies](https://appshunter.io/developer/1548240498) |

## What reviewers say

### DeltaSolar

[App page](https://appshunter.io/ios/app/deltasolar/id1570742979)

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.

**Highlights:** Remote Wi-Fi access, Direct onsite connection, Energy status and analysis, Production, consumption, export data, Historical performance data, Grid and solar voltage/frequency monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Q.OMMAND PRO

[App page](https://appshunter.io/ios/app/qommand-pro/id6478453023)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DeltaSolar free?

DeltaSolar is free to download, with no in-app purchases.

### Is Q.OMMAND PRO free?

Q.OMMAND PRO is free to download, with no in-app purchases.

### Do DeltaSolar or Q.OMMAND PRO have ads?

Neither DeltaSolar nor Q.OMMAND PRO shows ads.

### Which is updated more often, DeltaSolar or Q.OMMAND PRO?

DeltaSolar ships an update every 2 months, and Q.OMMAND PRO every 3 weeks. Most recently, DeltaSolar was updated on July 19, 2026 and Q.OMMAND PRO on August 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*