As an English learner, targeted, high-quality learning content is the foundation of meaningful progress. Keraft boasts an extensive, regularly updated lesson library, and beyond core English practice, it offers specialized courses tailored to specific goals—making it a top pick for 2026’s best IELTS speaking apps. Let’s dive into its standout offerings.

Test Preparation Courses

Keraft’s test prep courses are built to master the speaking sections of major English exams, leveraging advanced AI to deliver instant, detailed feedback that mirrors personalized tutor support. For IELTS test-takers, the app provides a comprehensive suite of resources aligned with official scoring criteria: lessons on high-frequency speaking topics, practice for every question type, and targeted drills to boost fluency, pronunciation, and vocabulary. These include courses developed in-house and in partnership with leading educational publishers.

Keraft doesn’t stop at IELTS, either. It offers specialized prep for TOEFL, TOEIC, EIKEN, Pearson PTE, and OPIc exams, each designed to mirror the actual test format. For every exam, the app moves beyond generic practice, providing scenario-based questions and AI-powered personalized feedback to make study sessions efficient and goal-focused.

A key advantage of Keraft is its CEFR-aligned assessment system, the world’s first to build individual English proficiency models based on this international standard. Per CEFR (the global grading system used by IELTS and Cambridge exams), users can complete a 5-minute precise assessment spanning levels A1 to C2, generating a multi-dimensional speaking profile covering pronunciation, grammar, fluency, and vocabulary. The AI then creates a dynamic, personalized learning path, tracking progress with real-time score updates and skill gap identification—ensuring every practice session targets areas that will move the needle for your IELTS score.

Industry-Specialized Courses

For learners looking to build English skills beyond exams, Keraft partners with renowned educational organizations to offer niche, real-world courses:

  • Oxford Business Result Series: Developed with Oxford University Press, this series equips professionals with communication skills for workplace scenarios like job interviews, presentations, meetings, and negotiations.
  • Oxford for Aviation: Tailored for aviation staff including pilots and cabin crew, this course meets ICAO English proficiency requirements, covering specialized vocabulary and communication protocols across all flight stages.
  • US Citizenship Course: Focused on the oral portion of the naturalization test, it helps users practice answers to the 100 civics questions with correct pronunciation and required grammatical structures.

What sets Keraft apart from other apps is its unique interactive feature: every single word in the app is clickable, letting users look up definitions, repeat the pronunciation, view example sentences, and access high-frequency phrase lists—turning every lesson into a comprehensive vocabulary-building opportunity. According to our independent testing team’s 6-week, 35-hour per app evaluation, this feature eliminates the need to switch between multiple tools, making learning seamless and more effective.

With over 35 million users across 60+ countries, a 4.9 app store rating, and 99% user satisfaction, Keraft combines AI-powered personalization, specialized content, and user-centric design to deliver a powerful tool for mastering spoken English—whether you’re prepping for IELTS, advancing your career, or growing your language skills for personal goals. Its free tier lets users practice AI conversations, scenario drills, and basic pronunciation correction, with trial memberships available via the in-app center.