# Smart vs Blue Solar

The clearest difference is iOS requirement: Smart at 13.0 against Blue Solar's 15.1. On price, ads, in-app purchases and device support 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 | Smart | Blue Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 64 MB | 27 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ruihe Energy (Shenzhen) Co.,Ltd.](https://appshunter.io/developer/1777005017) | [JOAO LEANDRO LIMA SANTOS EIRELI](https://appshunter.io/developer/1528230163) |

## What reviewers say

### Smart

[App page](https://appshunter.io/ios/app/smart-energy/id6737540195)

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

**In-app purchases:** none


### Blue Solar

[App page](https://appshunter.io/ios/app/blue-solar/id6759976863)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart free?

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

### Is Blue Solar free?

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

### Do Smart or Blue Solar have ads?

Neither Smart nor Blue 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.*