# Smart Evo vs solar energy.

The clearest difference is update cadence: solar energy. at every 3 months against Smart Evo's every 17 months. Smart Evo's advantage is iOS requirement (7.0 vs 13.0). 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.

Smart Evo ships an update every 17 months, solar energy. every 3 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Smart Evo | solar energy. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Size | 4 MB | 252 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Elentek srl](https://appshunter.io/developer/1367404123) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### Smart Evo

[App page](https://appshunter.io/ios/app/smart-evo/id1367404124)

**Features:** macOS Compatibility

**In-app purchases:** none


### solar energy.

[App page](https://appshunter.io/ios/app/solar-energy/id6755375528)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Evo free?

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

### Is solar energy. free?

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

### Do Smart Evo or solar energy. have ads?

Neither Smart Evo nor solar energy. shows ads.

### Which is updated more often, Smart Evo or solar energy.?

Smart Evo ships an update every 17 months, and solar energy. every 3 months. Most recently, Smart Evo was updated on October 26, 2026 and solar energy. on October 28, 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.*