FranklinWH vs Sunnova Catalyst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FranklinWH
Monitor and control your home energy system remotely. Track solar, grid, battery, and generator supply, alongside home electricity consumption. Optimize usage patterns and manage smart devices for energy savings.
- Remote system management
- 24/7 energy monitoring
- Usage statistics (year, month, day)
- Remote control of consumption patterns
- Smart Circuit management (AC, EV chargers)
- Installer management tools
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With the FranklinWH app, homeowners can manage your Franklin Home Power (FHP) system anytime, anywhere. The FranklinWH app monitors your home electricity consumption 24 hours a day, tracking solar, grid, battery and generator supply and home consumption. It provides usage statistics for time periods including year, month and day. You can remotely control your home electricity consumption pattern and the energy equipment while choosing an economical and energy-saving home electricity consumption plan. With the app, you can control the three optional Smart Circuits, managing unique devices such as air conditioners and EV chargers manually or through automatic schedules. The FranklinWH app also provides installers management of installation, operations and maintenance. Through the direct communication between app and the FHP, problems can quickly be resolved. The FranklinWH app is under constant development and we would love to receive your feedback and suggestions.
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
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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 FranklinWH's 3.5. Sunnova Catalyst also leads on iOS requirement (13.4 vs 15.0). On price, ratings volume, update cadence and ads 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. Both are backed by a comparable volume of ratings — 92 and 43 respectively.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.
| Parameter | FranklinWH | Sunnova Catalyst |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (92 ratings) | 4.6 (43 ratings) — better |
| Positive reviews | 38.5% of reviews | — |
| Number of ratings | 92 — better | 43 |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 166 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | FranklinWH Energy Storage Inc | Sunnova Energy Corp |
Customer experience
FranklinWH
Sunnova Catalyst
In-app purchases
FranklinWH
No in-app purchases
Sunnova Catalyst
No in-app purchases
Questions
Is FranklinWH free?
Is Sunnova Catalyst free?
Which has better reviews, FranklinWH or Sunnova Catalyst?
Do FranklinWH or Sunnova Catalyst have ads?
Which is updated more often, FranklinWH or Sunnova Catalyst?
Other comparisons
