OpenSolar vs GF Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenSolar
This free application provides a comprehensive solution for designing and selling solar energy systems. It offers end-to-end functionality for solar professionals.
- End-to-end solar design
- Sales application
- Free to use
- Comprehensive functionality
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OpenSolar is the world's first free, end-to-end, solar design and sales application.
GF Connect
This official communication hub facilitates faster, smoother, and more secure collaboration exclusively for SBU users. Stay connected with peers and receive real-time updates within the SBU community.
- Official communication hub
- Streamlined collaboration
- Real-time updates
- Secure communication
- Peer-to-peer connection
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Exclusively for SBU users, SBU Connect is your official communication hub — designed to make collaboration faster, smoother, and more secure within the SBU community. Stay in touch with peers, get real-time updates, and streamline your communication — all in one intuitive app.
Screenshots
Verdict
The clearest difference is review sentiment: GF Connect at 100% against OpenSolar's 45%. GF Connect also leads on update cadence (every 8 days vs every 6 weeks) and iOS requirement (13.0 vs 15.7). 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.
OpenSolar ships an update every 6 weeks, GF Connect every 8 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.
| Parameter | OpenSolar | GF Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (10 ratings) — better | — |
| Positive reviews | 45.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 10 — better | — |
| Update frequency | Every 6 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.7 | 13.0 — better |
| Further details — not scored | ||
| Size | 216 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | OpenSolar Pty Ltd | Garrett Mendelsohn |
Customer experience
OpenSolar
GF Connect
In-app purchases
OpenSolar
No in-app purchases
GF Connect
No in-app purchases
