# EcoTimer vs WKS

The clearest difference is update cadence: WKS at every 5 weeks against EcoTimer's every 8 months. WKS also leads on iOS requirement (13.0 vs 15.0). 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.

EcoTimer ships an update every 8 months, WKS every 5 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EcoTimer | WKS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 22 MB | 60 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kermi GmbH](https://appshunter.io/developer/879996391) | [Wienen IT Business Solutions](https://appshunter.io/developer/964815363) |

## What reviewers say

### EcoTimer

[App page](https://appshunter.io/ios/app/ecotimer/id1499364303)

This app allows you to remotely program and control heating devices via Bluetooth. You can create custom weekly schedules, set operating modes like 'Off', 'Eco', and 'Comfort', and adjust temperatures directly from your mobile device.

**Highlights:** Bluetooth connectivity to heating devices, Create custom weekly time programs, Set 'Off', 'Eco', and 'Comfort' modes, Adjust temperatures remotely, Read and adapt existing programs

**In-app purchases:** none


### WKS

[App page](https://appshunter.io/ios/app/wks-app-20/id6476605596)

**In-app purchases:** none


## Frequently asked questions

### Is EcoTimer free?

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

### Is WKS free?

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

### Do EcoTimer or WKS have ads?

Neither EcoTimer nor WKS shows ads.

### Which is updated more often, EcoTimer or WKS?

EcoTimer ships an update every 8 months, and WKS every 5 weeks. Most recently, EcoTimer was updated on October 15, 2026 and WKS on October 25, 2026.

---

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