Detpractice AI

Tool Introduction

DET Practice AI is an AI-powered platform built for Duolingo English Test (DET) preparation. It helps test-takers navigate the exam's adaptive format and improve performance in speaking and writing. The tool uses advanced models like ChatGPT-4o and DeepSeek-R1 to deliver real-time feedback and personalized study plans. With a large question bank and official partnership with Duolingo, DET Practice AI offers targeted, up-to-date practice aligned with the actual test.

Demo Available?

DET Practice offers a free trial with no credit card required. You’ll get limited access by signing up directly through the platform.

Tool's Accuracy

DET Practice uses ChatGPT-4o and DeepSeek-R1 for writing and speaking feedback. Its Gold-Tier partnership with Duolingo confirms strong alignment with official scoring standards and adaptive

Aggregate Rating

4.8/5 stars (based on 850+ verified reviews across the internet)

Detailed Overview

DET Practice AI delivers adaptive learning tools for DET prep, including instant feedback, realistic mock exams, and dynamic study plans.

What Detpractice AI Does

DET Practice AI provides a full suite of preparation tools for the Duolingo English Test. It offers instant corrections on speaking and writing tasks using advanced AI models. Mock exams simulate the official test’s adaptive structure, timing, and layout. The platform includes more than 18,000 regularly updated questions that match current DET standards. Users receive personalized learning plans based on diagnostics and track progress through detailed analytics across all scoring categories.

Who Detpractice AI is for

DET Practice AI supports students applying to schools requiring DET scores, professionals needing certification, tutors guiding learners, and self-paced users aiming to improve quickly. It works well for individuals or groups across all proficiency levels.

Top Differentiators

DET Practice AI offers over 18,000 questions—more than triple some competitors—and includes realistic simulations of the latest DET format. All paid tiers include instant AI feedback on speaking and writing tasks. As a gold-tier partner with Duolingo, it stays aligned with official updates. Its all-in-one approach combines diagnostics, practice tools, analytics, and strategy modules in one place.

Introductory Video

Target Industry

B2C, B2B, Higher Education Admissions, International Student Recruitment, Language Training Centers, Professional Certification

Available Integrations

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Free Plan: Includes 300 practice questions, limited AI-powered speaking evaluations, and restricted access to high-scoring sample answers and question analysis. AI corrections and mock tests are not included. Users can browse some learning materials and receive limited instant feedback.

Basic Plan: $7.90 per month (billed $23.70 every 3 months with 20% savings). Offers 10 AI-powered corrections monthly, access to over 18,000 practice questions, 3 full-length mock exams per month, unlimited AI-powered speaking evaluations, sample answers, and question analysis. Includes DET exam guides as free gifts and unlimited AI question interactions. The AI Tutor is available in standard mode with a limit of 50 daily interactions. ChatGPT-4o usage is capped at 100 times per month.

Plus Plan: Increases limits from the Basic plan to 60 AI corrections and 10 mock exams monthly. Allows unlimited use of all other features including instant feedback. ChatGPT-4o and AI Tutor access expand to 300 uses per month.

Pro Plan: Provides unlimited access to all features including AI corrections, mock exams, speaking evaluations, sample answers, question analysis, instant feedback, ChatGPT-4o, and the AI Tutor. Includes DET guides as free gifts and adds priority support.

Premium Plan: Offers a three-month billing option with a 25% discount. No further details on pricing or features are provided.

Pricing last verified: 11/18/2025
Official Source: https://www.detpractice.com/
Disclaimer: Pricing is subject to change. Please confirm current pricing on the vendor site.

Features & Specs

AI Correction for Speaking & Writing: Delivers real-time grammar checks and fluency suggestions using ChatGPT-4o and DeepSeek-R1.
Adaptive Mock Exams: Timed simulations replicate official structure and include the latest interactive speaking modules.
Question Bank: Access over 18,000 questions updated daily across reading, listening, writing, and speaking.
Personalized Learning Plans: Study paths adjust as you progress based on goals and diagnostic results.
Ask AI: Get help understanding task formats or reviewing your answers at any time.
Performance Analytics: View subscore trends after each mock exam to target weak areas effectively.
Sample Answers & Guides: Use high-scoring examples to model your responses in writing or speaking tasks.
Time Management Training: Build speed under pressure by practicing within real exam limits.
Platform Availability: Use via web browser or desktop apps for Mac and Windows devices.
Supported Formats: Covers all DET question types including audio prompts and image-based items.
Technical Limits: Monthly usage of corrections or mock tests depends on your subscription tier.
Latency/Performance: Feedback arrives instantly or within seconds; exams run in real time to match pacing.
Rate Limits: Plan-specific usage caps apply; details are shared on the subscription page.

Security & Compliance

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Industry Use-Cases

Higher Education Admissions

DET Practice AI helps students improve DET scores for university applications. It gives detailed feedback, adaptive practice, and mock exams that match the real test, boosting confidence and acceptance chances.

It also reduces test anxiety through full-length simulations. Timed mock exams and updated speaking modules help users manage time better and perform more consistently on exam day.

Language Training Centers

DET Practice AI supports tutors with scalable tools to monitor progress. Assigning AI-graded tasks and using analytics makes instruction more efficient and targeted.

Language schools use the updated question bank and training modules to keep materials aligned with DET changes. This ensures students are fully prepared for the latest test format.

Professional Certification

Working professionals use DET Practice AI to hit target scores fast. The adaptive plans and instant feedback help build language skills quickly before certification deadlines.

Organizations rely on it for team-wide preparation. Analytics allow HR to track progress and support employees, leading to smoother certification processes and stronger communication skills at work.

Tool's Alternatives

DET Ready
Offers a large question bank and AI feedback. Basic plans limit speaking feedback and mock test reports. Includes live human-led lessons for structured support.

Arno
Provides unlimited questions with AI writing and speaking feedback. Does not hold official partnership status with Duolingo, which may impact scoring alignment.

Use of English AI
Focuses on Cambridge English exams using instant feedback and advanced NLP. Overlaps partially with Duolingo prep but targets a different exam framework.

Cognicircuit
Supports TOEFL preparation through simulated tests and adaptive feedback. Shares the AI-driven model but aligns with a different exam format.

Fluently AI
Delivers personalized language practice through conversation-based learning. Aims at general language improvement more than specific Duolingo test readiness.

TalkPal
Enables immersive, AI-powered language training across various languages. Prioritizes broad fluency gains over targeted Duolingo test preparation.

Frequently Asked Questions

What does Detpractice AI include in the free plan?
The free plan offers 300 questions, limited speaking evaluations, and restricted access to sample answers and feedback. AI corrections and full mock exams are not included.

How many mock exams come with each paid plan?
The Basic Plan includes 3 full-length mock exams per month. The Plus Plan provides 10 monthly mocks. The Pro Plan allows unlimited access to mock exams.

Which AI models power speaking and writing feedback?
Detpractice AI uses ChatGPT-4o and DeepSeek-R1 to deliver instant grammar correction, fluency suggestions, and performance insights for speaking and writing tasks.

What is included in the Basic subscription plan?
At $7.90 per month (billed quarterly), it includes 10 AI corrections monthly, 3 mock tests, unlimited speaking evaluations, over 18,000 questions, sample answers, guides, and standard AI Tutor access capped at 50 daily interactions.

Can I use Detpractice AI on my desktop computer?
Yes. Detpractice AI is accessible through web browsers and has desktop apps available for both Mac and Windows operating systems.

How personalized are the learning plans on Detpractice AI?
Learning plans adjust based on user goals and diagnostic results. As users progress, the system adapts tasks to match skill levels across all DET sections.

Does Detpractice AI align with current Duolingo test formats?
Yes. As a gold-tier partner with Duolingo, it stays aligned with official updates including adaptive structure changes and new question types.

Who can benefit from using Detpractice AI?
It supports students applying to DET-required programs, professionals seeking certification scores, tutors tracking learners' progress, and individuals preparing independently at any level.

Is there a usage cap on ChatGPT-4o features?
Yes. The Basic Plan allows up to 100 ChatGPT-4o uses per month. The Plus Plan increases this to 300 monthly uses. The Pro Plan removes usage limits entirely.

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