# Elgin Solar vs DojoApp Professor

The clearest difference is device support: DojoApp Professor at 3 against Elgin Solar's —. Elgin Solar's advantage is iOS requirement (12.0 vs 15.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Elgin Solar | DojoApp Professor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 weeks |
| Size | 94 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [鑫 俞](https://appshunter.io/developer/1714265333) | [Cartago Softwares](https://appshunter.io/developer/1230676002) |

## What reviewers say

### Elgin Solar

[App page](https://appshunter.io/ios/app/elgin-solar/id6511213643)

**In-app purchases:** none


### DojoApp Professor

[App page](https://appshunter.io/ios/app/dojoapp-professor/id6746415179)

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

**In-app purchases:** none


## Frequently asked questions

### Is Elgin Solar free?

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

### Is DojoApp Professor free?

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

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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.*