No. 3 of 37 ·Language Test Prep Apps

DETPractice

Web · Android · iPhone · paid plans from $9.90/mo

Freedom report

Three barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

DETPractice is ranked #3 of 37 in language test prep apps on Freedom251. It runs on Android, iOS, Web. There is a free plan. A free trial is offered. Paid plans start at $9.90/mo.

DETPractice plans and pricing

All plans

Free Free 300 practice questions · limited evaluations detpractice.com · 1 Oct 2026

Basic $9.90/mo monthly 18,000+ questions · 10 AI corrections/month apps.apple.com · 1 Oct 2026

Plus $19.90/mo monthly 18,000+ questions · 3 mock tests/month · 60 AI corrections/month apps.apple.com · 1 Oct 2026

Pro $39.90/mo monthly 18,000+ questions · 10 mock tests/month · unlimited AI correction apps.apple.com · 1 Oct 2026

Compared on language test prep apps

Free plan: Yes
Supported exams: Duolingo English Test
Mock tests: Yes
Speaking practice: Yes
Writing feedback: Yes
Score tracking: Yes
Study plan: Yes
Supported platforms: Web, iOS, Android

Best DETPractice alternatives

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Two bars AlfaPTE Free tier No. 1Free6.5 Two bars Celpip AI Free tier No. 2$16.99/mo6.5 Two bars PTE Tutorials Free tier No. 4Free6.5 One bar TOEFLPrep.ai Free tier No. 5$29/mo6.4 One bar IELTS by IDP App Free tier No. 6Free6.3 One bar Gurully Paid plans No. 7$3/mo5.6

The record

Purpose: DETPractice is an all-in-one platform for preparing for the Duolingo English Test.
Question bank: The platform provides more than 18,000 practice questions and says its content is updated every day.
AI feedback: The service provides AI-powered scoring and correction for DET speaking and writing responses.
Courses: DETPractice offers courses, lessons, guides, and other learning materials for DET preparation.
AI tutor: Its AI tutor can answer DET questions, check grammar, translate, rewrite text, and generate practice content.
Partner status: The site describes DETPractice as a Platinum Partner for Duolingo English Test preparation.
Free access: The free tier includes all question types, 300+ practice questions, basic explanations, and limited access to some features.
Mock-test limit: Mock test access expires after 90 days.
Mobile apps: The app is available for iPhone or iPad through the App Store and for Android through Google Play.
Web access: DETPractice can also be used in a browser with the same account and supported learning history.
Security and payments: The privacy policy says Stripe processes payment information and that payment data is stored by Stripe.
Support: Online customer service is listed as available Monday–Friday from 10:00 to 19:00, with email responses within one business day.
Official-test limitation: DETPractice is a preparation app and its practice questions and mock tests do not replace the official Duolingo English Test.
Price from: $9.90/mo

Where it ranks on Freedom251

Best Language Test Prep Apps in 2026#3 of 37

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Sources

detpractice.com· checked 1 Oct 2026
detpractice.com/about-us· checked 1 Oct 2026
detpractice.com/practice· checked 1 Oct 2026
detpractice.com/pricing· checked 1 Oct 2026
detpractice.com/det-practice-app· checked 1 Oct 2026
detpractice.com/privacy-policy· checked 1 Oct 2026
apps.apple.com/us/app/detpractice-ace-the-det/id676674· checked 1 Oct 2026