OETStudy

OETStudy is an AI-powered platform designed to help users prepare for the Duolingo English Test (DET). It offers a massive question bank of over 15,000 practice questions across all test sections, including speaking, writing, listening, reading, vocabulary, and grammar. The platform's core differentiator is its AI scoring system, trained on real exam data, which provides instant, detailed feedback on speaking and writing tasks—analyzing pronunciation, fluency, grammar, and content structure.

Key Features

• Massive Question Bank: 15,000+ questions covering all DET question types, with difficulty gradings and continuous updates.
• AI Smart Scoring: Advanced AI evaluates speaking and writing responses, delivering scores and personalized improvement suggestions.
• Comprehensive Study Tools: Vocabulary lists based on practice data, CEFR level assessment, practice analytics, and score analysis to track weaknesses.
• Free & Premium Access: Start practicing for free; premium features unlock AI scoring and detailed analytics.

Who It’s For

OETStudy is built for students and professionals aiming to achieve high scores (130+) on the Duolingo English Test, including those needing flexible, AI-assisted preparation from anywhere.

Note: The AI Learning Assistant is listed as "Coming Soon" and not yet available.