# Aptos Installer vs Sunnova Catalyst

The clearest difference is update cadence: Sunnova Catalyst at fortnightly against Aptos Installer's monthly. On price, ads, in-app purchases and device support there is nothing between them.

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

Aptos Installer ships an update monthly, Sunnova Catalyst fortnightly. The most recent releases landed on May 15, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | Aptos Installer | Sunnova Catalyst |
| --- | --- | --- |
| Price | Free | Free |
| 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 | Monthly | **Fortnightly** |
| Monetization | — | Free |
| Size | 31 MB | 73 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aptos Solar Technology LLC](https://appshunter.io/developer/1589720272) | [Sunnova Energy Corp](https://appshunter.io/developer/1435520898) |

## What reviewers say

### Aptos Installer

[App page](https://appshunter.io/ios/app/aptos-installer/id1589720270)

**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 Aptos Installer free?

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

### Is Sunnova Catalyst free?

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

### Do Aptos Installer or Sunnova Catalyst have ads?

Neither Aptos Installer nor Sunnova Catalyst shows ads.

### Which is updated more often, Aptos Installer or Sunnova Catalyst?

Aptos Installer ships an update monthly, and Sunnova Catalyst fortnightly. Most recently, Aptos Installer was updated on May 15, 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.*