# T vs Ecotermal App

The clearest difference is in-app purchases: Ecotermal App at none against T's 3. Ecotermal App also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

T ships an update every 2 weeks, Ecotermal App every 3 weeks. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | T | Ecotermal App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/t-marker/id6502128722/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 367 MB | 44 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TruAbutment Inc.](https://appshunter.io/developer/1711683091) | [Hat Elektronik A.Ş.](https://appshunter.io/developer/1721690449) |

## What reviewers say

### 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 |


### Ecotermal App

[App page](https://appshunter.io/ios/app/ecotermal-app/id6737041388)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is T free?

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

### Is Ecotermal App free?

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

### Do T or Ecotermal App have ads?

Neither T nor Ecotermal App shows ads.

### Which is updated more often, T or Ecotermal App?

T ships an update every 2 weeks, and Ecotermal App every 3 weeks. Most recently, T was updated on September 24, 2026 and Ecotermal App on September 13, 2026.

---

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