Enphase Installer Toolkit vs Sunnova Catalyst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Enphase Installer Toolkit
Streamline the installation and commissioning of Enphase Energy Systems. Configure and manage energy systems efficiently with this comprehensive toolkit.
- Install Enphase Energy Systems
- Commission Enphase Energy Systems
- Configure Enphase Energy Systems
- Manage energy systems
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Install, commission, and configure the Enphase Energy System
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.
- Streamlines commissioning process
- Capture commissioning photos
- Track solar installation review
- Solar professional workflow optimization
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The Sunnova Catalyst mobile app streamlines the Sunnova commissioning process to help users capture their commissioning photos and track their solar installation review.
Screenshots
Verdict
The clearest difference is ratings volume: Enphase Installer Toolkit at 6K against Sunnova Catalyst's 43. Sunnova Catalyst's advantage is rating (4.6 vs 4.3) and iOS requirement (13.4 vs 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sunnova Catalyst holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Enphase Installer Toolkit has 6K ratings behind it against 43, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.
| Parameter | Enphase Installer Toolkit | Sunnova Catalyst |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6K ratings) | 4.6 (43 ratings) — better |
| Positive reviews | 31.0% of reviews | — |
| Number of ratings | 6K — better | 43 |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 348 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Enphase Energy, Inc. | Sunnova Energy Corp |
Customer experience
Enphase Installer Toolkit
Sunnova Catalyst
Bugs and requests
Enphase Installer Toolkit
Reported bugs
4 issues- Frequent app crashes and freezes
- Inconsistent login and authorization
- Inaccurate system data and reporting
- Compatibility issues with newer devices
Requested features
4 requests- Allow system owners to access and manage their own systems
- Improve sync and data accuracy
- Streamline commissioning and service processes
- Optimize for offline/low connectivity scenarios
Sunnova Catalyst
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Enphase Installer Toolkit
No in-app purchases
Sunnova Catalyst
No in-app purchases
Questions
Is Enphase Installer Toolkit free?
Is Sunnova Catalyst free?
Which has better reviews, Enphase Installer Toolkit or Sunnova Catalyst?
Do Enphase Installer Toolkit or Sunnova Catalyst have ads?
Which is updated more often, Enphase Installer Toolkit or Sunnova Catalyst?
Other comparisons
