# Sunnova Catalyst vs Dialing Assistant

The clearest difference is price: Sunnova Catalyst at Free against Dialing Assistant's $1.99. Sunnova Catalyst also leads on device support (3 vs 1) and iOS requirement (13.4 vs 17.6). On ads and in-app purchases there is nothing between them.

Sunnova Catalyst is free to download; Dialing Assistant costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sunnova Catalyst | Dialing Assistant |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.6 (43 ratings)](https://appshunter.io/ios/app/sunnova-catalyst/id1664577662/reviews)** | — |
| Number of ratings | **43** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 73 MB | 7 MB |
| Requires iOS | **13.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sunnova Energy](https://appshunter.io/developer/1435520898) | [家芳 陶](https://appshunter.io/developer/1891660721) |

## 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


### Dialing Assistant

[App page](https://appshunter.io/ios/app/dialing-assistant-speed-dial/id6772110164)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sunnova Catalyst free?

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

### Is Dialing Assistant free?

Dialing Assistant costs $1.99, with no in-app purchases.

### Do Sunnova Catalyst or Dialing Assistant have ads?

Neither Sunnova Catalyst nor Dialing Assistant shows ads.

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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.*