Aptos End User vs Sunnova Catalyst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aptos End User
Monitor your distributed PV power plants from anywhere. View real-time operating data, energy generation over various periods, and equipment alarms to ensure optimal performance and expected yield.
- Module-level monitoring
- Real-time data display
- Energy generation tracking (daily, monthly, annual, total)
- Alarm information display
- Operation monitoring
- Yield optimization
Read full descriptionHide full description
Aptos End User is a mobile application developed by especially for owners of distributed PV power plants, which can absorb the operating data of PV power plantS from Aptos End User Cloud. There are more functions, such as module-level monitoring, real-time data display for both plant-level & module-level as well as daily, monthly, annual, and total energy display. Furthermore, you can easily see the alarm information with the equipment, which could assist the owner in monitoring the operation of the PV power plant, ensuring normal operation of the power plant and obtaining of the expected yield.
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
Read full descriptionHide full description
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 rating: Sunnova Catalyst at 4.6 against Aptos End User's 3.5. Sunnova Catalyst also leads on update cadence (fortnightly vs every 7 months) and ratings volume (43 vs 2). On price, ads, in-app purchases and monetization model 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 3.5. That said, the two scores are not equally well evidenced: Sunnova Catalyst has 43 ratings behind it against 2, so its average is the more settled of the two.
Aptos End User ships an update every 7 months, Sunnova Catalyst fortnightly. The most recent releases landed on September 11, 2026 and June 2, 2026 respectively.
| Parameter | Aptos End User | Sunnova Catalyst |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) | 4.6 (43 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 | 43 — better |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 31 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Aptos Solar Technology LLC | Sunnova Energy Corp |
Customer experience
Aptos End User
Sunnova Catalyst
In-app purchases
Aptos End User
No in-app purchases
Sunnova Catalyst
No in-app purchases
Questions
Is Aptos End User free?
Is Sunnova Catalyst free?
Which has better reviews, Aptos End User or Sunnova Catalyst?
Do Aptos End User or Sunnova Catalyst have ads?
Which is updated more often, Aptos End User or Sunnova Catalyst?
Other comparisons
