# E vs Siotrix

E and Siotrix are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

E ships an update every 4 months, Siotrix every 3 months. The most recent releases landed on September 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | E | Siotrix |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 6 MB | 49 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Vaderstad-Verken AB](https://appshunter.io/developer/715673457) | [ANDREAS LEBZELTER](https://appshunter.io/developer/1864567931) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-control/id715673454)

Control agricultural machinery wirelessly from your iPad. This app also facilitates software updates for the machine's gateway. Requires a compatible Väderstad AB machine equipped with a Gateway.

**Highlights:** Wireless control of agriculture machines, Software updates for machine gateway, iPad connectivity, Väderstad machine compatibility

**In-app purchases:** none


### Siotrix

[App page](https://appshunter.io/ios/app/siotrix/id6762041124)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is Siotrix free?

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

### Do E or Siotrix have ads?

Neither E nor Siotrix shows ads.

### Which is updated more often, E or Siotrix?

E ships an update every 4 months, and Siotrix every 3 months. Most recently, E was updated on September 24, 2026 and Siotrix on October 3, 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.*