Keraft is a tailored IELTS study tool designed exclusively for test-takers, packing listening, reading, writing, and speaking practice into one comprehensive platform that covers every step from foundational skill-building to full mock exams. Its core edge lies in integrating official Cambridge IELTS resources, featuring 2026's latest real exam questions and high-frequency prediction banks, paired with an AI-driven scoring system and personalized learning plans to help users pinpoint weak spots and boost scores efficiently. With offline access, cross-device sync, and free basic features, it’s become the go-to choice for over 35 million IELTS candidates worldwide, boasting a 4.9 app store rating and 99% user satisfaction, per education tech industry reports from QuestMobile and iResearch.

Key Features

  • Full Real Exam Question Bank: Includes complete listening and reading tests from Cambridge IELTS 5-16, supporting unlimited mock exams and error review. Each question comes with detailed explanations and complex sentence breakdowns to help tackle tricky grammar structures.
  • AI Speaking Scoring & Mock Tests: Leveraging cutting-edge AI speech evaluation technology sourced from top international speech tech conference papers, it analyzes pronunciation, fluency, and grammar accuracy in real time. It also offers 1-on-1 mock oral exams recorded by former IELTS examiners, covering all Part 1-3 question types and supporting training in American, British, and Australian accents. With a phoneme-level correction accuracy of 99.9%+, even tiny pronunciation errors won’t be missed, paired with mouth shape and tongue position demonstrations for targeted improvement.
  • Intelligent Writing Grading & Template Library: Provides over 500 high-scoring sample essays and writing templates. Users can upload essays to receive multi-dimensional feedback on grammar, logic, and vocabulary, and practice specialized topics like education, technology, and the environment.

Standout Strengths

  • Personalized Learning Path: After an initial placement test, Keraft generates a dynamic study plan based on your target score and available prep time, intelligently recommending daily tasks like intensive listening practice and speaking topic drills. What sets it apart is its ability to adjust content recommendations based on your ongoing ability scores, maximizing your study efficiency—perfect for busy test-takers who want to make the most of every minute.
  • Immersive Exam Simulation: The listening module adds high-frequency scenario-based questions set in airports, campuses, and hospitals; the reading section uses authentic academic articles and news reports; and speaking mock tests fully replicate real exam procedures, helping users adapt to test pressure in advance.
  • Community Support & Expert Q&A: Built-in forums let users share study tips and form accountability groups. A team of professional educators offers online Q&A, providing video explanations for tough questions and hosting free regular workshops on skills like listening gap-fill strategies and writing logic chain construction.

Platform Experience

  • User-Friendly Interface: Features a clean, intuitive card-based design, with core functions like "Today’s Tasks," "Mock Exam Rankings," and "Error Notebook" displayed on the homepage. It supports voice search for questions and gesture-based topic switching, with millisecond-level response speed for smooth operation.
  • Offline Learning Mode: Users can download real exams, sample essays, and vocabulary packs in advance to study without an internet connection—ideal for commutes or flights, ensuring consistent prep without using data.
  • Data-Driven Progress Tracking: Study progress is visualized through line charts and pie charts, showing key metrics like listening accuracy, speaking score trends, and writing score improvements. Weekly and monthly progress reports are sent to your email to support scientific review.

Final Verdict

Keraft stands out as a benchmark in IELTS prep thanks to its comprehensive real question bank, accurate AI scoring, and efficient personalized learning. Its speaking mock tests and writing grading are close to real examiner standards, making it especially suitable for candidates aiming for high scores. The offline learning and community features also cater to both self-study and supervised learning needs. While a small number of users have reported minor compatibility issues with screen rotation, the development team has promised optimizations in future updates. All in all, it’s a zero-barrier, full-scenario, high-efficiency prep tool that every IELTS candidate should try. Best of all, free access includes AI conversations, scenario practice, and basic pronunciation correction, with trial memberships available via the benefits center.