Comparison

Sunnova Catalyst vs Q.OMMAND PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Sunnova Catalyst

Free

🔧 Utilities

★ 4.643 ratingsView app →

Q.OMMAND PRO

App for Installers : Q.Home

Free

🔧 Utilities

No ratingsView app →

About

Sunnova Catalyst

This app simplifies the solar installation review process by allowing users to capture and track commissioning photos. It streamlines the workflow for solar professionals.

Highlights

Streamlines commissioning process
Capture commissioning photos
Track solar installation review
Solar professional workflow optimization

Features

Read full description

The Sunnova Catalyst mobile app streamlines the Sunnova commissioning process to help users capture their commissioning photos and track their solar installation review.

About

Q.OMMAND PRO

Features

Read full description

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

Sunnova Catalyst4 screens

Q.OMMAND PRO4 screens

Verdict

The call

The clearest difference is iOS requirement: Sunnova Catalyst at 13.4 against Q.OMMAND PRO's 16.0. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sunnova Catalyst ships an update fortnightly, Q.OMMAND PRO monthly. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

Scorecard1 real difference · 8 level

Sunnova Catalyst versus Q.OMMAND PRO: the parameters behind the verdict, then further details
Parameter	Sunnova Catalyst	Q.OMMAND PRO
Price	Free	Free
Rating	4.6 (43 ratings) — better	—
Number of ratings	43 — better	—
Update frequency	Fortnightly — better	Monthly
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	13.4 — better	16.0
Further details — not scored
Size	73 MB	136 MB
Age rating	4+	4+
Developer	Sunnova Energy Corp	Q CELLS Technologies

In-app purchases

None

Sunnova Catalyst

No in-app purchases

None

Q.OMMAND PRO

No in-app purchases

Questions

Is Sunnova Catalyst free?

Sunnova Catalyst 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 Sunnova Catalyst or Q.OMMAND PRO have ads?

Neither Sunnova Catalyst nor Q.OMMAND PRO shows ads.

Which is updated more often, Sunnova Catalyst or Q.OMMAND PRO?

Sunnova Catalyst ships an update fortnightly, and Q.OMMAND PRO monthly. Most recently, Sunnova Catalyst was updated on September 29, 2026 and Q.OMMAND PRO on September 26, 2026.