# Sunnova Catalyst vs Lion Technician

The clearest difference is rating: Sunnova Catalyst at 4.6 against Lion Technician's 1.0. Sunnova Catalyst also leads on ratings volume (43 vs 1) and iOS requirement (13.4 vs 17.6). 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 1.0. That said, the two scores are not equally well evidenced: Sunnova Catalyst has 43 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on June 2, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Sunnova Catalyst | Lion Technician |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (43 ratings)](https://appshunter.io/ios/app/sunnova-catalyst/id1664577662/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/lion-technician/id6714447355/reviews) |
| Number of ratings | **43** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | Free |
| Size | 73 MB | 54 MB |
| Requires iOS | **13.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sunnova Energy Corp](https://appshunter.io/developer/1435520898) | [Lion Energy, LLC](https://appshunter.io/developer/1617150260) |

## What reviewers say

### 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


### Lion Technician

[App page](https://appshunter.io/ios/app/lion-technician/id6714447355)

This app allows certified technicians to commission Sanctuary systems efficiently from a mobile device. It streamlines the setup process for installations, ensuring high standards are met in the field.

**Highlights:** Commission Sanctuary systems, Mobile device operation, Streamlined setup process, Field efficiency, Ensures installation standards

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunnova Catalyst free?

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

### Is Lion Technician free?

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

### Which has better reviews, Sunnova Catalyst or Lion Technician?

Sunnova Catalyst is rated higher. Sunnova Catalyst averages 4.6 out of 5 from 43 ratings, while Lion Technician averages 1.0 from 1 ratings.

### Do Sunnova Catalyst or Lion Technician have ads?

Neither Sunnova Catalyst nor Lion Technician shows ads.

### Which is updated more often, Sunnova Catalyst or Lion Technician?

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