# PowurSite vs Sunnova Catalyst

The clearest difference is rating: Sunnova Catalyst at 4.6 against PowurSite's 2.5. Sunnova Catalyst also leads on ratings volume (43 vs 10). On price, update cadence, ads and in-app purchases there is nothing between them.

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 2.5. Both are backed by a comparable volume of ratings — 10 and 43 respectively.

PowurSite ships an update monthly, Sunnova Catalyst fortnightly. The most recent releases landed on June 4, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | PowurSite | Sunnova Catalyst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (10 ratings)](https://appshunter.io/ios/app/powursite/id1606957314/reviews) | **[4.6 (43 ratings)](https://appshunter.io/ios/app/sunnova-catalyst/id1664577662/reviews)** |
| Number of ratings | 10 | **43** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 23 MB | 73 MB |
| Requires iOS | 13.4 | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Powur PBC](https://appshunter.io/developer/1456008265) | [Sunnova Energy Corp](https://appshunter.io/developer/1435520898) |

## What reviewers say

### PowurSite

[App page](https://appshunter.io/ios/app/powursite/id1606957314)

This app helps certified labor partners manage solar site surveys and installation tasks. It guides users through recording home details and photos, and facilitates job assignments and payments.

**Highlights:** Solar site survey recording, Photo and home attribute capture, Labor partner onboarding, Job assignment management, Payment processing

**Features:** macOS Compatibility

**In-app purchases:** none


### Sunnova Catalyst

[App page](https://appshunter.io/ios/app/sunnova-catalyst/id1664577662)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PowurSite free?

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

### Is Sunnova Catalyst free?

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

### Which has better reviews, PowurSite or Sunnova Catalyst?

Sunnova Catalyst is rated higher. PowurSite averages 2.5 out of 5 from 10 ratings, while Sunnova Catalyst averages 4.6 from 43 ratings.

### Do PowurSite or Sunnova Catalyst have ads?

Neither PowurSite nor Sunnova Catalyst shows ads.

### Which is updated more often, PowurSite or Sunnova Catalyst?

PowurSite ships an update monthly, and Sunnova Catalyst fortnightly. Most recently, PowurSite was updated on June 4, 2026 and Sunnova Catalyst on June 2, 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.*