# Elen vs Vattenfall Smart Termostat

The clearest difference is ads: Vattenfall Smart Termostat at none against Elen's shown. On price, update cadence, 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.

Elen ships an update every 6 weeks, Vattenfall Smart Termostat every 2 months. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Elen | Vattenfall Smart Termostat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 16 MB | 37 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Webbium AB](https://appshunter.io/developer/1448123890) | [Ngenic](https://appshunter.io/developer/949669224) |

## What reviewers say

### Elen

[App page](https://appshunter.io/ios/app/elen/id1448124191)

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

**In-app purchases:** none


### Vattenfall Smart Termostat

[App page](https://appshunter.io/ios/app/vattenfall-smart-termostat/id1458032576)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Elen free?

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

### Is Vattenfall Smart Termostat free?

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

### Do Elen or Vattenfall Smart Termostat have ads?

Elen shows ads; Vattenfall Smart Termostat does not.

### Which is updated more often, Elen or Vattenfall Smart Termostat?

Elen ships an update every 6 weeks, and Vattenfall Smart Termostat every 2 months. Most recently, Elen was updated on September 8, 2026 and Vattenfall Smart Termostat on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*