# DET vs Modulus Coaching Classes

The clearest difference is update cadence: DET at weekly against Modulus Coaching Classes's monthly. 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.

DET ships an update weekly, Modulus Coaching Classes monthly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DET | Modulus Coaching Classes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (34 ratings)](https://appshunter.io/ios/app/det-duolingo-english-test/id6754582936/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 25.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Ad-supported | — |
| Size | 99 MB | 116 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Duolingo](https://appshunter.io/developer/570060151) | [Novus Learning](https://appshunter.io/developer/1686714769) |

## What reviewers say

### DET

[App page](https://appshunter.io/ios/app/det-duolingo-english-test/id6754582936)

This app facilitates the secure setup for a language proficiency exam. It guides users through submitting identification, scanning their face and ID, and performing room and ear scans. The app also configures your phone to record your computer during the test.

**Highlights:** Submit ID information, Scan face and ID, Complete room scan, Perform ear scan, Set up phone for computer recording

**In-app purchases:** none


### Modulus Coaching Classes

[App page](https://appshunter.io/ios/app/modulus-coaching-classes/id6778116390)

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

**In-app purchases:** none


## Frequently asked questions

### Is DET free?

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

### Is Modulus Coaching Classes free?

Modulus Coaching Classes is free to download, with no in-app purchases.

### Do DET or Modulus Coaching Classes have ads?

Neither DET nor Modulus Coaching Classes shows ads.

### Which is updated more often, DET or Modulus Coaching Classes?

DET ships an update weekly, and Modulus Coaching Classes monthly. Most recently, DET was updated on November 4, 2026 and Modulus Coaching Classes on October 31, 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.*