# T vs DOQAUS

The clearest difference is rating: T at 5.0 against DOQAUS's 1.6. T also leads on update cadence (every 2 weeks vs every 2 months). DOQAUS's advantage is in-app purchases (none vs 3) and ratings volume (33 vs 3). On price, 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. DOQAUS asks for nothing beyond the download.

T holds the better App Store score, 5.0 against 1.6. That said, the two scores are not equally well evidenced: DOQAUS has 33 ratings behind it against 3, so its average is the more settled of the two.

T ships an update every 2 weeks, DOQAUS every 2 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | T | DOQAUS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/t-marker/id6502128722/reviews)** | [1.6 (33 ratings)](https://appshunter.io/ios/app/doqaus/id6737504381/reviews) |
| Number of ratings | 3 | **33** |
| Positive reviews | — | 5.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 367 MB | 25 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TruAbutment Inc.](https://appshunter.io/developer/1711683091) | [Shenzhen Ditmo Electronic Co., Ltd](https://appshunter.io/developer/1776788224) |

## 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 |


### DOQAUS

[App page](https://appshunter.io/ios/app/doqaus/id6737504381)

Control your compatible headphones with this app. Adjust sound effects, access white noise for relaxation, and manage device settings. Stay updated with firmware and product information.

**Highlights:** Sound effects adjustment, Built-in white noise, Firmware upgrades, Customizable device name, Device information access

**In-app purchases:** none

**What reviewers like**

- 👍 Custom EQ modes possible
- 👍 Heavy bass praised
- 👍 Connects quickly for some users
- 👍 Headphones themselves are good

**What reviewers complain about**

- 🐛 App doesn't connect to headphones
- 🐛 Cannot create an account
- 🐛 App won't send email codes
- 🐛 App doesn't detect headphones
- 🐛 Connection issues after getting new headphones

**Reported bugs**

- App cannot find headphones
- App connection fails
- App doesn't detect headphones
- App searching indefinitely
- App won't send email verification codes

**Requested features**

- Fix app connection issues
- Allow account creation
- Fix email code sending
- Improve app compatibility with devices
- Fix headphones sound leakage


## Frequently asked questions

### Is T free?

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

### Is DOQAUS free?

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

### Which has better reviews, T or DOQAUS?

T is rated higher. T averages 5.0 out of 5 from 3 ratings, while DOQAUS averages 1.6 from 33 ratings.

### Do T or DOQAUS have ads?

Neither T nor DOQAUS shows ads.

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

T ships an update every 2 weeks, and DOQAUS every 2 months. Most recently, T was updated on October 24, 2026 and DOQAUS on October 21, 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.*