Frequently Asked Questions

DORS is an AI-powered English learning app that assesses your speaking ability and creates a personalized learning plan. It combines pronunciation, conversation, reading comprehension, writing, and word review for English practice.

DORS is for anyone who has studied English but struggles to speak it, wants a personalized learning plan, or is looking to improve pronunciation for travel, work, or everyday life.

Yes. You can use translation support and practice at your own level. Since the app adapts to your level, beginners can jump right in.

DORS 2.0 strengthens the speaking assessment, personalized learning plans, learning progress tracking, scene-based conversation practice, and learning guidance through DORS Chat.

It evaluates four dimensions of your current speaking ability: pronunciation accuracy, pronunciation fluency, semantic relevance, and natural semantic expression. The results are used to suggest a personalized learning plan and targeted pronunciation exercises.

DORS suggests daily learning tasks based on your assessment results, recent practice, pronunciation history, and scenario progress. Scenarios are matched by the system rather than entered manually as a plan input.

With DORS Chat, you can not only ask questions about English but also check today's learning tasks, previous practice results, and what features to use next. It serves as a guide when you are unsure about your learning.

The Free plan includes up to 8 messages per day, with text and voice counted together.

An active DORS Unlimited subscription removes the Free plan's daily message limit.

The Free plan includes up to 8 messages per day, with text and voice counted together.

Yes. Web/Stripe subscriptions can be cancelled from Profile → "Manage" → Stripe Customer Portal. App subscriptions can be cancelled from the App Store or Google Play subscription settings where you purchased.

DORS is available on iOS, Android, and the web, with the same current feature set across all three. Choose the environment that works best for you, whether that is your phone or the web.

Yes. You can use one account on iOS, Android, and the web, and your learning data syncs across all three.

When you log in and use DORS, your learning history and practice results are saved and used for learning plans and tracking.

Voice data is used for feedback on speaking and pronunciation practice. For details, please check the privacy policy.

AI answers are designed to support English learning but may not always be completely accurate. If you have concerns, we recommend checking multiple example sentences and explanations while learning.

DORS currently supports Japanese, Simplified Chinese, Traditional Chinese, Korean, Indonesian, Spanish, and Russian as interface languages.