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Interview Expert is a personalized English-learning app: it starts with telling your real work experience and turns that experience into English lessons. Job interviews are the first use case, so the lessons start with introducing yourself and explaining your work, and the question bank and AI mock interviews are in the app too.

Every new user gets 3 hours of full practice free, to use within 7 days of the first practice, whichever comes first. After that there are three subscription plans: Monthly (NT$690 per month), 6 months (NT$3,550, about NT$592 per month), or 12 months (NT$5,990, about NT$499 per month, the best value). All auto-renew and can be cancelled anytime. On iPhone they're billed by the Apple App Store, on Android by Google Play. The price shown in the app applies.

Yes. No credit card up front, no auto-conversion to paid. You get 3 hours with every feature: building your lessons, speaking or typing practice, feedback, the question bank and mock interviews, to use across as many sessions as you like within 7 days of your first practice. When the 3 hours or the 7 days run out (whichever comes first), you choose whether to subscribe.

No. If you subscribed before the new plans launched, your renewal price and plan stay the same until you cancel.

Right now it's focused on English. The app UI is available in English and 繁體中文 (Traditional Chinese). You can answer the 3 starting questions in Chinese, English, or a mix; your lessons then teach you to say that experience in English.

The recording of your spoken answer is uploaded to our servers to score your pronunciation and delivery, and is deleted within 7 days by default. We keep it for longer only if you turn on saved recordings so you can play back past answers. Live transcription runs through Apple's Speech framework — on-device where available, though Apple's servers may assist for some languages and devices — and your transcript and speaking metrics are sent to our backend for AI coaching. You can ask us to delete your recordings at any time at interviewexpert.ai/delete-data. Full details in our Privacy Policy.

Yes, anytime. In the iOS app, Settings → Delete all my data deletes everything — the data on your phone and everything held under your device ID on our servers, stored recordings included — apart from your entitlement and anonymous analytics events, which are kept on purpose. If you no longer have the app installed, email support@interviewexpert.ai and we'll delete it for you. Full details at interviewexpert.ai/delete-data.

You can browse questions and review past attempts offline. Recording and AI coaching require an internet connection. Coaching responses come from our backend in real time.

Yes — the Android app is live on Google Play now. Search "Interview Expert" or use the Google Play button on this site to install it. We started with iOS because consistent hardware let us get speech recognition and feedback quality right first, and Android followed once that bar was met.

Your first try at a lesson isn't scored: it's marked as your starting point. From the second try on, each try gets a score that stays in your practice history, so you can see how you change. The score is one signal: what you did well, the one thing to fix next, and the better sentence are usually more useful than the number.

Yes. One of the 3 starting questions is the job you want, and you can paste the job description too (optional). Your lessons are built around it. In the question bank you can also set a target role and company so the questions fit you.

Please tell us directly. Real user feedback is what decides what we build next. Email support@interviewexpert.ai and you'll hear back from a real person, not a templated reply.