Features built for
boost your IELTS score
Certa combines exam simulation, AI writing intelligence, and performance tracking — from practice to measurable band growth.
CD IELTS Interface
Train in the same computer-delivered style used on official IELTS test day.
Full Practice Tests
Access full Listening, Reading, Writing, and Speaking practice tests by tier.
AI Writing Evaluations
Get immediate IELTS criteria-based writing feedback with actionable revision tips.
AI Writing Deep Check
Run a deeper writing analysis to improve structure, coherence, and language use.
Speaking Practice
Practice all three parts of the IELTS speaking test with realistic prompts and timing.
Progress Dashboard
Track your improvement over time with clear score and performance visibility.
Weakness Analysis
Identify repeated weak question types and focus your next study cycle efficiently.
Review Mistakes
Systematically revisit wrong answers to turn recurring mistakes into strengths.
Exam Predictions
Get predicted exam topics and writing tasks to focus your final prep effectively.
AI-powered writing engine
Instant evaluation and deep structure checks to push your writing band higher on every attempt.
AI Writing Evaluations
Get instant, detailed feedback on your writing tasks scored against official IELTS band descriptors. Know exactly where you stand and what to fix.
- Scored on all 4 official IELTS criteria
- Grammar & vocabulary corrections
- Actionable revision tips per paragraph
AI Writing Deep Check
Go beyond a band score. Deep Check analyzes your essay's structure, coherence flow, and lexical sophistication so you can write at a higher level consistently.
- Sentence-level coherence analysis
- Lexical range & repetition detection
- Structural improvement suggestions
Speaking practice that feels real
Practice all three parts of the IELTS speaking exam with authentic prompts, timed responses, and structured question flow.
Speaking Practice
Run through Part 1, Part 2, and Part 3 speaking tasks in a realistic timed environment. Build fluency and reduce exam-day nerves through consistent structured practice.
- All 3 speaking parts covered
- Authentic countdown and prompt flow
- Wide variety of test topics
Turn your weaknesses into strengths
Use performance trends and weak-area signals to prioritize the right practice and improve where it matters most.
Review Mistakes
Revisit every wrong answer in full review mode so each mistake turns into a clear improvement step. See your answer vs the correct one, side by side.
- User answer vs correct answer side-by-side
- Identify repeated error patterns quickly
- Build a better strategy for the next attempt
Progress Dashboard & Weakness Analysis
Track every test across all four skills and pinpoint the exact question types dragging your score down. Know what to fix and practice it with precision.
- Band score trend across all skills
- Weak question type detection
- Focus your study where it matters most
Your score journey
starts right here.
Full access to authentic CD IELTS practice, AI writing feedback, and real mock tests — try it free, no card required.
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