# ETHERMA eControl vs KnockautX

The clearest difference is update cadence: KnockautX at every 2 months against ETHERMA eControl's every 6 months. 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.

ETHERMA eControl ships an update every 6 months, KnockautX every 2 months. The most recent releases landed on September 16, 2026 and August 2, 2026 respectively.

## The numbers

| Metric | ETHERMA eControl | KnockautX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 33 MB | 201 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Taelek oy](https://appshunter.io/developer/1328221148) | [Brelag Schweiz AG](https://appshunter.io/developer/1243505399) |

## What reviewers say

### ETHERMA eControl

[App page](https://appshunter.io/ios/app/etherma-econtrol/id1368661448)

**Features:** macOS Compatibility

**In-app purchases:** none


### KnockautX

[App page](https://appshunter.io/ios/app/knockautx/id1599564717)

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

**In-app purchases:** none


## Frequently asked questions

### Is ETHERMA eControl free?

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

### Is KnockautX free?

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

### Do ETHERMA eControl or KnockautX have ads?

Neither ETHERMA eControl nor KnockautX shows ads.

### Which is updated more often, ETHERMA eControl or KnockautX?

ETHERMA eControl ships an update every 6 months, and KnockautX every 2 months. Most recently, ETHERMA eControl was updated on September 16, 2026 and KnockautX on August 2, 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.*