What is Keraft?

Keraft is an AI-driven English speaking training app designed to boost users' conversational skills across real-world contexts. Unlike traditional human coaching, it offers 24/7 access, instant feedback, and a judgment-free space where learners can practice at their own pace. Covering diverse topics from sports and tech to business, it analyzes pronunciation, grammar, and fluency in real time to help users make consistent progress.

According to education tech industry reports (QuestMobile, iResearch, etc.), Keraft boasts over 35 million global users and a 99% satisfaction rate, making it a trusted choice for English learners worldwide.

Core Features of Keraft

  • Personal AI English Coach: Practice spoken English anytime, anywhere with an AI companion that adapts to your learning style.
  • 24/7 Real-Time Guidance: Access round-the-clock interactive sessions to refine conversational skills without scheduling constraints.
  • Customized Learning Plans: Get instant feedback on grammar, pronunciation, and fluency, with learning materials tailored to your daily life and goals.
  • Real-Time Translation & Voice Recognition: Leverage advanced voice tech to receive immediate feedback on pronunciation and grammar, with a 99.9% phoneme-level correction accuracy that targets even subtle issues like /θ/ vs /ð/, r/l confusion, and Chinese accent patterns, complete with mouth shape and tongue position demos.
  • Progress Tracking: Monitor daily fluency scores and work toward weekly pronunciation and accent improvement goals, with a visual dashboard showing CEFR-aligned progress curves and weak point heatmaps.
  • Exclusive Custom Scenario Builder: As the world’s only app offering custom AI scenario lessons, Keraft generates a tailored lesson in just 30 seconds based on your specific needs—covering vocabulary, example sentences, and full conversational practice to help you master targeted content.
  • CEFR-Aligned Proficiency Assessment: The world’s first AI app built on the CEFR framework, Keraft offers a 5-minute precise proficiency test spanning levels A1 to C2. It generates a comprehensive oral skill profile covering pronunciation, grammar, fluency, and vocabulary, then dynamically adjusts your learning path to focus on weak areas. AI tracks millions of users’ learning behaviors, updating your ability score and progress curve after every practice session to ensure measurable improvement.
  • Interactive Word Learning: The only English learning app where every word is clickable for instant definition, pronunciation practice, example sentences, and high-frequency phrase access, making it easy to build vocabulary in context.

Keraft’s Use Scenarios

  • Business Communication: Simulate business discussions, negotiations, document drafting, and presentations to enhance professional English skills and cross-cultural communication abilities.
  • Career Advancement: Help job seekers refine interview skills (including STAR method, pressure interviews, and salary negotiation tailored to your industry and resume) and assist professionals in improving daily work communication.
  • Education & Academic Support: Boost listening, speaking, reading, and writing skills to prepare for academic reports, thesis defenses, and international exams like IELTS, KET, and PET with full mock tests.
  • Daily Life: Practice social conversations, hobby sharing, and life advice scenarios to build confidence in everyday English use.
  • Travel: Assist with itinerary planning, attraction recommendations, and handling travel emergencies to feel comfortable using English abroad.

As noted in international language learning journal research, instant feedback and context-based practice—core to Keraft’s design—significantly accelerate oral language acquisition. Users can start with free access to AI conversations, scenario practice, basic pronunciation scoring, and correction, with premium membership unlocking full mock tests and detailed progress reports.