# OpenSolar vs Sun Solar

The clearest difference is iOS requirement: Sun Solar at 9.0 against OpenSolar's 15.7. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.4 for OpenSolar against 4.4 for Sun Solar. Both are backed by a comparable volume of ratings — 10 and 5 respectively. Written reviews are what separate them: 45% of OpenSolar's written reviews are positive against 50% of Sun Solar's.

## The numbers

| Metric | OpenSolar | Sun Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (10 ratings)](https://appshunter.io/ios/app/opensolar/id1410085935/reviews) | [4.4 (5 ratings)](https://appshunter.io/ios/app/sun-solar/id1469174516/reviews) |
| Number of ratings | **10** | 5 |
| Positive reviews | 45.5% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | Free |
| Size | 216 MB | 47 MB |
| Requires iOS | 15.7 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OpenSolar Pty Ltd](https://appshunter.io/developer/1340033321) | [Sun Solar, LLC](https://appshunter.io/developer/1469174215) |

## 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


### Sun Solar

[App page](https://appshunter.io/ios/app/sun-solar/id1469174516)

This app facilitates communication between users and a solar company. After downloading and registering, users can engage in direct messaging and receive updates via push notifications to enhance their purchasing journey.

**Highlights:** User registration, Direct messaging, Push notifications, In-app messaging, Product reviews

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenSolar free?

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

### Is Sun Solar free?

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

### Which has better reviews, OpenSolar or Sun Solar?

OpenSolar and Sun Solar are both rated 4.4 out of 5 on the App Store, from 10 and 5 ratings respectively.

### Do OpenSolar or Sun Solar have ads?

Neither OpenSolar nor Sun Solar shows ads.

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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.*