Field Pro by ION Solar vs Sunnova Catalyst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Field Pro by ION Solar
Manage and update appointments directly from the field. Track, review, and modify upcoming and completed tasks for installers, technicians, and surveyors.
- Track appointments
- Update appointment status
- Complete appointments
- Review upcoming appointments
- Modify completed appointments
- Field access to data
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FieldPro by ION Solar can be used by Installers, Field Technicians, and Site Surveyors to track, update, and complete upcoming appointments. Both upcoming and completed appointments can be reviewed and modified from the field.
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 Field Pro by ION Solar's 1.6. Sunnova Catalyst also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (13.4 vs 16.0). On price, ratings volume, ads and in-app purchases 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 1.6. Both are backed by a comparable volume of ratings — 27 and 43 respectively.
Field Pro by ION Solar ships an update every 6 weeks, Sunnova Catalyst fortnightly. Both last shipped on October 24, 2026.
| Parameter | Field Pro by ION Solar | Sunnova Catalyst |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (27 ratings) | 4.6 (43 ratings) — better |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 27 | 43 — better |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 24 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | ION SOLAR LLC | Sunnova Energy Corp |
Customer experience
Field Pro by ION Solar
Sunnova Catalyst
In-app purchases
Field Pro by ION Solar
No in-app purchases
Sunnova Catalyst
No in-app purchases
Questions
Is Field Pro by ION Solar free?
Is Sunnova Catalyst free?
Which has better reviews, Field Pro by ION Solar or Sunnova Catalyst?
Do Field Pro by ION Solar or Sunnova Catalyst have ads?
Which is updated more often, Field Pro by ION Solar or Sunnova Catalyst?
Other comparisons
