# SonnexTech vs EVVO SMART

The clearest difference is iOS requirement: EVVO SMART at 12.0 against SonnexTech's 14.0. On price, update cadence, ads 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.

SonnexTech ships an update every 3 months, EVVO SMART every 4 months. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SonnexTech | EVVO SMART |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 98 MB | 97 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sonnex Energie GmbH](https://appshunter.io/developer/1736462787) | [深圳市英威腾电气股份有限公司](https://appshunter.io/developer/1012943436) |

## What reviewers say

### SonnexTech

[App page](https://appshunter.io/ios/app/sonnextech/id6479600876)

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

**In-app purchases:** none


### EVVO SMART

[App page](https://appshunter.io/ios/app/evvo-smart/id6738979446)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SonnexTech free?

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

### Is EVVO SMART free?

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

### Do SonnexTech or EVVO SMART have ads?

Neither SonnexTech nor EVVO SMART shows ads.

### Which is updated more often, SonnexTech or EVVO SMART?

SonnexTech ships an update every 3 months, and EVVO SMART every 4 months. Most recently, SonnexTech was updated on September 17, 2026 and EVVO SMART on September 14, 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.*