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Mergen: AI English Tutor
Overcome English speaking anxiety with a real-time AI tutor
Mergen is a voice-first AI English tutor built to overcome speaking anxiety. Talk naturally with live speech recognition, get real-time on-screen grammar and pronunciation corrections without interrupting dialogue flow, and practice with personalized daily missions. Features interactive CEFR level placement (A1-C1), karaoke-style reading library, spaced repetition vocabulary, and progress analytics. Available on Android & Web.
I’m Orhan, the creator of Mergen: AI English Tutor.
Like many non-native English speakers, I spent years studying grammar rules, yet whenever I had to speak in real-life situations, I froze up. Hiring private tutors for daily practice gets expensive quickly, while traditional language apps mostly focus on repetitive vocabulary drills rather than actual spoken dialogue. Generic AI chatbots, on the other hand, just talk back to you — they don't teach or highlight your grammar and pronunciation mistakes as you speak.
I built Mergen to bridge this gap: a personal voice tutor that lets you practice speaking anytime without judgment, while actively helping you improve your accuracy.
Key Features
Dual-Stream Feedback Loop: Mergen separates spoken audio from written pedagogy. While the AI speaks back verbally to keep the conversation flowing naturally, it streams structured grammar, vocabulary, and phrasing corrections directly to your screen with native language explanations.
Pronunciation & Phonetic Analyzer: Inspects spoken audio tokens against confidence thresholds to flag mispronounced words, providing phonetic breakdowns and guidance to improve your accent.
Personalized Daily Missions (ContentSmith): Select your personal interests (tech, gaming, cinema, business) on day 1. Mergen generates daily practice missions tailored to your topics and weaves past grammar mistakes back into future prompts using Spaced Repetition (SRS).
Interactive Read & Listen Library: Read passages catered to your target CEFR level with karaoke-style live audio sync, tap any word for instant dictionary lookups, or import custom PDFs.
CEFR Trajectory & Analytics: Track your fluency evolution from A1 to C1 with interactive charts showing CEFR score trends and mistake heatmaps.
Built With
Frontend: React + Tailwind CSS packaged with Capacitor for Android.
Voice Pipeline: Whisper for Speech-to-Text, Kokoro ONNX for low-latency Text-to-Speech, and a custom LLM prompt engine that separates spoken audio replies from written corrections.
Mergen is live today on Android via the Google Play Store.
I’d love to get your honest feedback on the UI/UX, the voice loop latency, or any feature requests you have. I’ll be here all day answering your questions!
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About Mergen: AI English Tutor on Product Hunt
“Overcome English speaking anxiety with a real-time AI tutor”
Mergen: AI English Tutor was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #112 on the daily leaderboard. Mergen is a voice-first AI English tutor built to overcome speaking anxiety. Talk naturally with live speech recognition, get real-time on-screen grammar and pronunciation corrections without interrupting dialogue flow, and practice with personalized daily missions. Features interactive CEFR level placement (A1-C1), karaoke-style reading library, spaced repetition vocabulary, and progress analytics. Available on Android & Web.
Mergen: AI English Tutor was featured in Android (57.4k followers), Education (79k followers), Languages (14.4k followers) and Online Learning (3.6k followers) on Product Hunt. Together, these topics include over 86.8k products, making this a competitive space to launch in.
Who hunted Mergen: AI English Tutor?
Mergen: AI English Tutor was hunted by Orhan Akarsu. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Mergen: AI English Tutor stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Orhan Akarsu
Hi Product Hunt,
I’m Orhan, the creator of Mergen: AI English Tutor.
Like many non-native English speakers, I spent years studying grammar rules, yet whenever I had to speak in real-life situations, I froze up. Hiring private tutors for daily practice gets expensive quickly, while traditional language apps mostly focus on repetitive vocabulary drills rather than actual spoken dialogue. Generic AI chatbots, on the other hand, just talk back to you — they don't teach or highlight your grammar and pronunciation mistakes as you speak.
I built Mergen to bridge this gap: a personal voice tutor that lets you practice speaking anytime without judgment, while actively helping you improve your accuracy.
Key Features
Dual-Stream Feedback Loop: Mergen separates spoken audio from written pedagogy. While the AI speaks back verbally to keep the conversation flowing naturally, it streams structured grammar, vocabulary, and phrasing corrections directly to your screen with native language explanations.
Pronunciation & Phonetic Analyzer: Inspects spoken audio tokens against confidence thresholds to flag mispronounced words, providing phonetic breakdowns and guidance to improve your accent.
Personalized Daily Missions (ContentSmith): Select your personal interests (tech, gaming, cinema, business) on day 1. Mergen generates daily practice missions tailored to your topics and weaves past grammar mistakes back into future prompts using Spaced Repetition (SRS).
Interactive Read & Listen Library: Read passages catered to your target CEFR level with karaoke-style live audio sync, tap any word for instant dictionary lookups, or import custom PDFs.
CEFR Trajectory & Analytics: Track your fluency evolution from A1 to C1 with interactive charts showing CEFR score trends and mistake heatmaps.
Built With
Frontend: React + Tailwind CSS packaged with Capacitor for Android.
Backend: Python (FastAPI + WebSockets) handling real-time audio streams.
Voice Pipeline: Whisper for Speech-to-Text, Kokoro ONNX for low-latency Text-to-Speech, and a custom LLM prompt engine that separates spoken audio replies from written corrections.
Mergen is live today on Android via the Google Play Store.
I’d love to get your honest feedback on the UI/UX, the voice loop latency, or any feature requests you have. I’ll be here all day answering your questions!