# SmartThermoX vs ETNA connect

The clearest difference is update cadence: SmartThermoX at every 2 months against ETNA connect's every 24 months. SmartThermoX also leads on iOS requirement (9.0 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.

SmartThermoX ships an update every 2 months, ETNA connect every 24 months. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SmartThermoX | ETNA connect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 24 months |
| Size | 58 MB | 196 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Fuzhou Emax Electronic Co.,Ltd](https://appshunter.io/developer/1128654625) | [ConnectLife, LLC.](https://appshunter.io/developer/1600872348) |

## What reviewers say

### SmartThermoX

[App page](https://appshunter.io/ios/app/smartthermox/id1395027033)

**Features:** Vision Pro support

**In-app purchases:** none


### ETNA connect

[App page](https://appshunter.io/ios/app/etna-connect/id1619093374)

**In-app purchases:** none


## Frequently asked questions

### Is SmartThermoX free?

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

### Is ETNA connect free?

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

### Do SmartThermoX or ETNA connect have ads?

Neither SmartThermoX nor ETNA connect shows ads.

### Which is updated more often, SmartThermoX or ETNA connect?

SmartThermoX ships an update every 2 months, and ETNA connect every 24 months. Most recently, SmartThermoX was updated on October 14, 2026 and ETNA connect on October 27, 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.*