# E vs T

The clearest difference is in-app purchases: E at none against T's 3. T's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. T sells 3 in-app purchases, starting at $99.00 per month. E asks for nothing beyond the download.

E ships an update every 4 months, T every 2 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | E | T |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/t-marker/id6502128722/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 367 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Vaderstad-Verken AB](https://appshunter.io/developer/715673457) | [TruAbutment Inc.](https://appshunter.io/developer/1711683091) |

## 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


### T

[App page](https://appshunter.io/ios/app/t-marker/id6502128722)

This application captures accurate MUA positioning data in .stl format for digital workflows. It streamlines the process from scanning to final results, making advanced digital solutions more accessible. Designed for iPad and iPhone users.

**Highlights:** Accurate MUA positioning recording, .stl format export, Streamlined digital workflows, Accessible advanced digital solutions, iPad and iPhone compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| T-Marker Full Access - Monthly | $99.00 | per month |
| T-Marker Full Access - Semi Annual | $499.00 | per 6 months |
| T-Marker Full Access - Annual | $899.00 | per year |


## Frequently asked questions

### Is E free?

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

### Is T free?

T is free to download, with in-app purchases available.

### Do E or T have ads?

Neither E nor T shows ads.

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

E ships an update every 4 months, and T every 2 weeks. Most recently, E was updated on November 1, 2026 and T on October 30, 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.*