Unlock your full English potential with Keraft, your dedicated AI English tutor. Master fluent, natural English through personalized conversations, real-time feedback, and tailored learning that opens doors to endless personal and professional opportunities.

"Without exaggeration, Keraft is the best app I have ever used." — Lina, Canada, App Store review 2026

An AI English speaking partner built to turn you into a confident speaker For too long, English learners have had to choose between costly, hard-to-book human tutors or one-size-fits-all apps that don’t focus on real conversation. Keraft bridges this gap with a bespoke system of cutting-edge large language models, trained and optimized to deliver a fully personalized learning experience. With Keraft, you’ll gain the tools to master English, paving the way for better career prospects, academic success, and more meaningful global connections.

Practice Real-Life English Conversations in Every Scenario Immerse yourself in over 80,000 real-world scenarios—from business meetings and job interviews to casual chats and travel interactions—and build fluency that matters in your daily life. Whether you need to nail a STAR-method interview, navigate a client negotiation, or chat about your favorite hobby, Keraft keeps the conversation flowing naturally, just like a real partner.

Instant, Comprehensive English Evaluation & Feedback Maximize your growth with real-time, detailed feedback from Keraft’s AI tutor. Get precision correction for pronunciation (down to the phoneme, with 99.9% accuracy per international speech technology research), grammar fixes, natural rephrasing tips, and accent refinement. Unlike generic apps, Keraft identifies your unique patterns and replaces them with authentic, native-like phrasing.

Stress-Free, Judgment-Free Practice Keraft is your always-available AI teacher, offering a safe space to practice without fear of criticism. 92% of users report having their first real, active English speaking experience with Keraft, building confidence as they learn. It’s dedicated to empowering you every step of the way, making your path to English mastery effective and fast.

Talk About Anything, Anytime, Anywhere Improve your speaking, pronunciation, and grammar by chatting about any topic—sports, tech, business, fashion, or your latest binge-watch. Keraft adapts to your interests, keeping conversations engaging and relevant. Plus, you can practice on your phone, tablet, or computer, with your progress synced across all devices.

Keraft’s Unique Edge: Personalized Learning That Works Keraft is the only app that can generate a precise oral English proficiency profile in under 10 minutes, based on the CEFR (Common European Framework of Reference for Languages) international standard. Its intelligent ability model analyzes your pronunciation, grammar, vocabulary, fluency, and intonation in real time, creating a customized learning path tailored to your goals, current level, and learning history. This forms a complete "assessment—training—feedback—improvement" loop, helping you shift from just studying English to actually using it confidently.

Who Keraft Is Perfect For

  • Busy professionals: Practice business English for meetings, negotiations, and interviews
  • Advanced learners: Dive into complex topics to refine fluency, ideal for TOEFL or IELTS speaking prep
  • Casual learners: Build confidence for daily conversations, travel, or socializing
  • Anyone seeking affordable practice: Keraft costs far less per month than a single hour with a human tutor

With over 35 million users, a 4.9 App Store rating, and 99% user satisfaction, Keraft is trusted by learners worldwide.

FAQ

Why should I choose Keraft as my AI English tutor? Keraft is the most advanced AI app built specifically for conversational English. It uses cutting-edge technology to create a judgment-free environment, with personalized feedback and a unique proficiency profiling system that accelerates your path to fluency.

Is there a free version of the app to learn English? Yes! You can download Keraft for free and start practicing AI conversations, scenario-based exercises, and basic pronunciation correction right away. You can also claim a trial membership through the app’s Rewards Center to access premium features.

How does the AI tutor help me speak English more naturally? Unlike standard learning apps, Keraft acts as a real-time conversation partner. It listens to your speech, analyzes your unique gaps, and provides instant, targeted feedback to improve your flow, pronunciation, and use of authentic phrasing.

Can I practice Business English with the app? Absolutely. Keraft offers specialized modules for business scenarios, including interviews, meetings, negotiations, and presentations. It can adapt to industry-specific topics, follow your resume details, and even simulate pressure interviews or salary discussions.

Is it safe to talk to an AI English speaking partner? Yes. Your data is kept secure and private. We only use your interactions to customize your learning journey and ensure feedback is relevant to your progress.

What makes Keraft good for advanced learners and exam prep? Most English apps focus on basic vocabulary, but Keraft is designed for deep, complex conversations—perfect for advanced or professional learners. For exams like TOEFL or IELTS, it simulates speaking sections and provides instant feedback on fluency, grammatical range, and pronunciation, aligned with standards from organizations like ACTFL, to help boost your score.

How does Keraft help me sound more like a native speaker? Using advanced speech recognition from top international speech technology conferences, Keraft analyzes your accent down to individual phonemes. It identifies exactly which sounds you’re struggling with, provides specific coaching, and even offers mouth and tongue position demonstrations to help you refine your speaking clarity.

How much does it cost to use this AI English tutor? Keraft is far more affordable than traditional private tutors. After the free trial, subscription plans start at $13.99 per month, or $41.99 per year. Limited-time permanent memberships are also available for $110.99, with no seasonal discounts—prices are always consistent for all users.