---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "DET - Duolingo English Test"
developer_entity: "Duolingo"
bundle_id: "com.duolingo.DetMobile"
app_store_id: "6754582936"
category: "Education"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-01-27"
report_date: "2026-04-02"
report_version: "1.4.0"
total_reviews: 13
overall_rating: 3.46
confidence: "low"
confidence_score: 0.25
data_age_days: 28
intelligence_version: 3
nemesis: "IELTS Prep App: Take IELTS"
competitor_count: 10
tags: ["education", "free", "mobile app", "app review", "app analysis", "students", "professionals", "worldwide"]
canonical_url: "https://marlvel.ai/intel-report/education/det-duolingo-english-test"
license: "CC-BY-NC 4.0"
last_verified: "2026-04-18T20:42:19.416Z"
---

# DET - Duolingo English Test App Audit

> **TL;DR:** DET - Duolingo English Test is a education app by Duolingo, rated 3.46/5 by 13 users, available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** DET - Duolingo English Test is a education app by Duolingo.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 3.46/5 (13 reviews) |
| **Category** | Education |
| **Developer** | Duolingo |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.25/1.0) |
| **Data Age** | 10d |

## Metadata & Market Performance
- **Publisher:** Duolingo
- **Category:** Education
- **Target Audience:** Students and professionals worldwide who require a fast, flexible, and affordable English language proficiency certification for academic or professional institutions.
- **Platforms:** iOS
- **Version Audited:** 1.4.0
- **Audit Date:** 2026-04-02
- **Signal Count:** 2 reviews analyzed
- **Confidence:** Low (0.25/1.0)
- **App Store ID (iOS):** 6754582936
- **Bundle ID:** com.duolingo.DetMobile
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-04-02

<!-- section:executive-snapshot -->
## Executive Snapshot
The Duolingo English Test (DET) mobile app acts as a secure, mobile-based companion for the Duolingo English Test, facilitating identity verification and proctoring. It is designed for international students and professionals who require a fast, flexible, and affordable English proficiency certification.

By enabling on-demand, remote testing, the app differentiates itself from traditional, center-based exams. It serves as a vital utility in a broader ecosystem that prioritizes accessibility and efficiency over traditional testing infrastructure.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Remote ID Verification:** Secure submission of ID information and facial scanning for identity authentication.
  * *User Intent:* Users prioritize data protection and trust in the platform.
- **[Differentiator] Proctored Environment Setup:** Guided room and ear scans to ensure a secure, compliant testing environment.
  * *User Intent:* Users need clear guidance to understand and adopt the product quickly.
- **[Differentiator] Companion Recording:** Configures the mobile device to act as a secondary camera to record the computer during the test.
- **[Differentiator] Fast Results Delivery:** Provides test results within 2 days of completion.
  * *User Intent:* Users seek enhanced value through premium features.
- **[Differentiator] On-Demand Testing:** Allows users to take the test online anytime without needing an appointment.
<!-- /section:features -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free practice tests available, Paid test registration required for certification
- **Analysis:** The app serves as a free utility for test-takers to facilitate the paid certification process, positioning itself as a cost-effective alternative to traditional testing centers.

<!-- section:swot -->
## SWOT Analysis

**Core Strengths:**
- Strong brand recognition through the Duolingo ecosystem
- Seamless, integrated mobile-to-desktop proctoring technology
- Highly efficient, on-demand testing model

**Critical Frictions:**
- Limited functionality as a utility-only app
- Low volume of user reviews
- Dependency on desktop hardware for test completion

**Growth Levers:**
- Expansion into more academic partnerships
- Further integration of AI for instant practice feedback
- Gamification of the preparation phase

**Market Threats:**
- Established incumbents increasing their own digital testing capabilities
- Potential regulatory changes regarding remote testing validity
- Emerging AI-based competitors

<!-- /section:swot -->
## What's Changed (v2 → v3) {#recent-changes}
The report reflects a strategic shift in positioning the app as a free, efficiency-focused utility for the broader Duolingo certification ecosystem.

- **[HIGH]** **[Shifted] Pricing Model Reclassification:** The pricing model was updated from 'paid' to 'free' to better reflect that the app is a utility for the paid certification service.
- [MED] **[Shifted] Strategic SWOT Update:** SWOT items were updated to focus on higher-level strategic concerns like regulatory risks and AI-driven opportunities rather than purely technical hurdles.
- [MED] **[Shifted] Refined Value Proposition:** The executive summary now emphasizes 'affordability' and 'efficiency' as the primary competitive differentiators.

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### DET - Duolingo English Test vs IELTS Prep App: Take IELTS — Head to Head
- **IELTS Prep App: Take IELTS** by British Council: Direct competitor in the high-stakes English proficiency certification market with a focus on remote/digital testing preparation.
- **TOEFL Go! Official Prep** by Educational Testing Service: The official mobile companion for the TOEFL exam, competing directly for the same academic and professional certification user base.

### Contenders (Strong Challengers)
- **IELTS Prep - British Council** by British Council: Provides comprehensive preparation tools and booking features for the world's leading English language test.
- **Cambridge English Exam Prep** by Cambridge University Press & Assessment: Offers official preparation materials for Cambridge English exams, targeting the same demographic of international students and professionals.

### Peers (What They Do Better)
- **ELSA: AI Learn & Speak English** by ELSA Corp: Focuses on English proficiency improvement, often used as a precursor to taking formal certification tests.
- **Magoosh English Lessons** by Magoosh: Provides test prep content for English proficiency exams, capturing users in the study phase before they register for a test.
- **British Council EnglishScore** by British Council: Offers a mobile-based English proficiency test that provides a certificate, serving as a direct alternative for quick, remote assessment.
- **Quizlet: AI-powered Flashcards** by Quizlet Inc.: Widely used by students to memorize vocabulary and test patterns for standardized English exams.

### New Kids on the Block (What's Innovative)
- **TestGlider - TOEFL Prep** by TestGlider: Uses AI-driven grading to provide instant feedback on practice tests, mimicking the speed and efficiency of the Duolingo English Test.
- **PrepAdviser** by PrepAdviser: Emerging platform focusing on streamlining the path to international education, including test preparation and institutional requirements.

<!-- /section:rivals -->
<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

DET - Duolingo English Test is an established education app that is completely free.
With a 3.46/5 rating from 13 reviews, it shows polarized user reception.

**Strategic Opportunity:** While DET - Duolingo English Test benefits from strong brand recognition through the duolingo ecosystem, its vulnerability lies in limited functionality as a utility-only app. A challenger could exploit this by focusing on expansion into more academic partnerships.

**Best for:** Students and professionals worldwide who require a fast, flexible, and affordable English language proficiency certification for academic or professional institutions.

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 3.46/5 |
| Total Reviews | 13 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 5 analyzed |
| Trend | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **DET - Duolingo English Test** (this app) | 3.46/5 | N/A | Duolingo |
| [Flashcards Deluxe](https://marlvel.ai/intel-report/education/flashcards-deluxe) | 4.5/5 | Thrilled | OrangeOrApple.com |
| [Flash Cards Flashcards Maker](https://marlvel.ai/intel-report/education/flash-cards-flashcards-maker) | 4.0/5 | Mixed | Infinite Wave Media, LLC |
| [Elevate - Brain Training Games](https://marlvel.ai/intel-report/education/elevate-brain-training-games) | 4.7/5 | Excited | The Mind Company |
| [Flashcards maker - AI generate](https://marlvel.ai/intel-report/education/flashcards-maker-ai-generate) | 4.1/5 | Mixed | Teleprompter LLC |
| [AlgoApp - Flashcards](https://marlvel.ai/intel-report/education/algoapp-flashcards) | 4.6/5 | Mixed | AlgoApp Inc |

## Company Profile
- **Developer:** Duolingo
- **Website:** [https://englishtest.duolingo.com](https://englishtest.duolingo.com)
- **Social:** [Instagram](https://www.instagram.com/duolingoenglishtest) · [Facebook](https://www.facebook.com/duolingoenglishtest) · [X/Twitter](https://twitter.com/duolingoentest) · [YouTube](https://www.youtube.com/watch) · [LinkedIn](https://www.linkedin.com/company/duolingo-english-test-)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/det-duolingo-english-test/id6754582936?uo=4)
- **Dev Site:** [Official Website](https://englishtest.duolingo.com)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*Flashcards Deluxe*](https://marlvel.ai/intel-report/education/flashcards-deluxe) (OrangeOrApple.com) — 4.5/5 Rating | Excellent Sentiment
- [*Flash Cards Flashcards Maker*](https://marlvel.ai/intel-report/education/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) — 4.0/5 Rating | Mixed Sentiment
- [*Elevate - Brain Training Games*](https://marlvel.ai/intel-report/education/elevate-brain-training-games) (The Mind Company) — 4.7/5 Rating | Positive Sentiment
- [*Flashcards maker - AI generate*](https://marlvel.ai/intel-report/education/flashcards-maker-ai-generate) (Teleprompter LLC) — 4.1/5 Rating | Mixed Sentiment
- [*AlgoApp - Flashcards*](https://marlvel.ai/intel-report/education/algoapp-flashcards) (AlgoApp Inc) — 4.6/5 Rating | Mixed Sentiment
- [*Peak - Brain Training*](https://marlvel.ai/intel-report/education/peak-brain-training) (Synaptic Labs) — 4.7/5 Rating | Mixed Sentiment
- [*ASVAB Practice Test By ABC*](https://marlvel.ai/intel-report/education/asvab-practice-test-by-abc) (Thanh Hung) — 4.9/5 Rating | Excellent Sentiment
- [*Piano Marvel - Lessons & Music*](https://marlvel.ai/intel-report/education/piano-marvel-lessons-music) (Piano Marvel LLC) — 4.7/5 Rating | N/A Sentiment
- [*Purp: AI Study Assistant*](https://marlvel.ai/intel-report/education/purp-ai-study-assistant) (Mahmoud Mouayad Messadi) — N/A Rating | N/A Sentiment
- [*Hoplite Greek Keyboard*](https://marlvel.ai/intel-report/education/com-philolog-hoplitekeyboard) (philolog LLC) — 4.7/5 Rating | Excellent Sentiment

## Methodology {#methodology}

This report was generated by Marlvel.ai's 3-stage AI intelligence pipeline:

1. **Feature & Positioning Extraction** — Analyzes app metadata, developer website content, and version history to identify key features, target audience, and competitive positioning.
2. **Sentiment Analysis** — Processes user reviews (minimum 5 reviews required) to extract praise themes, complaint themes, and overall sentiment with evidence quotes.
3. **Intelligence Synthesis** — Combines stages 1 & 2 with App Store rankings to produce SWOT analysis, executive summary, and actionable insights.

- **Confidence Score:** 0.25/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 2
- **Data Sources:** developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 10 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/education/det-duolingo-english-test)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.