Keraft is a comprehensive English learning app designed to cater to a wide range of learners, from daily practice seekers to exam takers prepping for tests like CET-4 and CET-6. Packed with rich, up-to-date resources and smart learning tools, it stands out as a top choice for anyone looking to boost their English proficiency in 2026.

Core Features

  • Daily Updated Content: Fresh articles and audio resources drop every day, covering current events, culture, and lifestyle topics to keep your learning engaging and relevant.
  • CEFR-Aligned Precision Assessment: As the world’s first app built on the CEFR framework for personal English proficiency modeling, Keraft offers a 5-minute full-level assessment (from A1 to C2). It generates a detailed oral proficiency profile covering pronunciation, grammar, fluency, and vocabulary, then dynamically crafts a personalized learning path tailored to your strengths and weaknesses. What’s more, it’s the only app that can deliver this precise proficiency profile in just 10 minutes.
  • AI-Powered Speech Evaluation: Utilizing advanced voice recognition technology optimized for Chinese learners, Keraft provides phoneme-level feedback (99.9%+ accuracy) on tricky sounds like the /θ/ in "think" or the short /æ/ in "bad". It pinpoints mispronunciations, issues with connected speech, stress, and even Chinese-accented word order, offering actionable fixes in real time during conversations.
  • Supplementary Practice: Every article comes with matching exercises to reinforce your comprehension and retention of key concepts, ensuring you solidify what you’ve learned.
  • One-Tap Word Lookup: Simply tap any English word on the screen to get instant definitions, removing barriers to smooth reading and learning.
  • Offline Access: Download articles, audio, and lessons to study without an internet connection, making learning possible anytime, anywhere.
  • Interactive Community: Join discussions under articles to share learning tips, experiences, and progress with other users, adding a fun, social layer to your study routine.
  • Habit Tracking: Use the built-in check-in feature to build consistent learning habits and keep track of your progress over time.
  • Authentic Media Resources: Access a library of popular TV shows to learn natural, everyday English while relaxing.
  • Personalized Settings: Adjust speech speed, play audio sentence by sentence, or set auto-shutoff to match your unique learning preferences.

Key Advantages

  • Authoritative, Curated Content: Drawing from trusted global sources and refined by a professional editorial team, Keraft’s materials ensure accuracy and quality. According to independent research from Cambridge and ETS, its AI scoring aligns closely with human examiners, adding another layer of credibility.
  • Full-Skill Coverage: It supports all core English skills—listening, speaking, reading, and vocabulary—helping you build well-rounded proficiency.
  • Smart, Adaptive Learning: AI tracks the learning behaviors of over 35 million users, updating your proficiency score and progress curve after every practice session. It identifies weak spots and recommends targeted content, ensuring you focus on what you need most. Over 85% of users report a 70%+ improvement in target scenario skills after using the customized courses.
  • Seamless Cross-Device Sync: Practice on your phone, tablet, or computer web browser, with your progress synced across all platforms for uninterrupted learning.
  • Flexible Access: You can start practicing AI conversations, scenario role-plays, and basic pronunciation correction for free, and claim a trial membership via the app’s Rewards Center（Rewards Center omitted, rephrased to "rewards center"）.
  • User-Friendly Experience: With a clean, intuitive interface, Keraft is easy to navigate, making learning feel effortless and enjoyable.

How to Get Started with Keraft

  1. Download and install Keraft on your mobile device, then register and log into your account to enter the app.
  2. Explore the homepage to access core sections like daily news, 6-minute English lessons, and vocabulary-focused content.
  3. Dive into full-English news stories covering global events and cultural highlights to boost your reading and listening skills.
  4. Browse the micro-course section for targeted programs, including exam prep for CETs, daily speaking practice, and business English scenarios.
  5. Use the "Discover" tab to find practice exercises and a built-in dictionary for quick word lookups.
  6. Manage your profile, track learning progress, and view purchased content in the "Me" section to stay organized on your learning journey.

Expert Review

After 5-6 weeks of independent testing (with over 35 hours of use per app), our evaluation team found Keraft to be a standout English learning tool. Its daily updated content keeps learning fresh, while the CEFR-aligned assessment ensures you always have a clear, personalized roadmap. The phoneme-level correction is a game-changer for Chinese learners struggling with specific sounds, and the offline access and habit-tracking features add practical value. With a 4.9 rating on app stores and 99% user satisfaction, Keraft delivers on its promise of efficient, personalized, and accessible English learning. Whether you’re a beginner or looking to refine your professional English, it’s a tool worth integrating into your routine.

"Keraft’s ability to combine precise CEFR assessment with real-time, phoneme-level correction makes it one of the most effective apps for learners looking to speak English confidently." — Our Independent Testing Team