# OpenSolar vs GF Connect

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.

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.

## The numbers

| Metric | OpenSolar | GF Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (10 ratings)](https://appshunter.io/ios/app/opensolar/id1410085935/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 45.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 216 MB | 33 MB |
| Requires iOS | 15.7 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [OpenSolar Pty Ltd](https://appshunter.io/developer/1340033321) | [Garrett Mendelsohn](https://appshunter.io/developer/1745692402) |

## What reviewers say

### OpenSolar

[App page](https://appshunter.io/ios/app/opensolar/id1410085935)

This free application provides a comprehensive solution for designing and selling solar energy systems. It offers end-to-end functionality for solar professionals.

**Highlights:** End-to-end solar design, Sales application, Free to use, Comprehensive functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### GF Connect

[App page](https://appshunter.io/ios/app/gf-connect/id6745179604)

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.

**Highlights:** Official communication hub, Streamlined collaboration, Real-time updates, Secure communication, Peer-to-peer connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenSolar free?

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

### Is GF Connect free?

GF Connect is free to download, with no in-app purchases.

### Do OpenSolar or GF Connect have ads?

Neither OpenSolar nor GF Connect shows ads.

### Which is updated more often, OpenSolar or GF Connect?

OpenSolar ships an update every 6 weeks, and GF Connect every 8 days. Most recently, OpenSolar was updated on October 7, 2026 and GF Connect on October 6, 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.*