About VoxlioSpeak Better.Score Higher.
Voxlio is an AI-powered IELTS Speaking practice platform that combines speech recognition, real-time assessment, and personalized feedback to help you improve your band score.
How It Works
Choose a Part
Select Part 1, 2, or 3 and start a timed practice session with real IELTS-style questions.
Speak Your Answer
Record via your microphone. Real-time transcription captures every word as you speak.
Get Assessed
AI delivers band scores per criterion with detailed feedback, errors, and a Band 9 sample.
3/3
Parts Covered
Groq AI
AI Model
AI-Powered
Vocabulary
Free
Cost
Platform Features
Speech Recognition
Real-time transcription using browser's Web Speech API. Supports continuous speech capture and live interim results with word-level accuracy tracking.
AI-Powered Assessment
Groq AI evaluates your answers against official IELTS band descriptors (0-9) for fluency, vocabulary, grammar, and pronunciation.
Band Score Analytics
Per-criterion scores with trend tracking over time. Visual radar charts, score history, and detailed weak area identification.
Adaptive Questions
AI generates follow-up questions based on your previous answers, simulating a real IELTS examiner's interactive style.
Pronunciation Analysis
Word-level accuracy via Groq Whisper comparison. Fluency metrics including WPM, filler words, and hesitation patterns.
Grammar Feedback
Structured grammar error detection with corrections, explanations, and type classification for each mistake.
Level System
10 ranks from Newcomer to Legend across 100 levels. Each assessment earns XP toward your next rank.
Detailed Reports
Per-question breakdown with Band 9 sample answers, vocabulary matching, and personalized improvement advice.
Vocabulary Builder
Save words with 3D flip flashcards, AI-powered OALD-style analysis, synonyms, collocations, and example sentences. Search, filter by topic, and track reviews.
AI Vocabulary Assistant
Type any word to get instant OALD-style definitions, pronunciation, Uzbek translation, 3 synonyms, 3 definitions, 3 collocations, and 3 example sentences. Add to your collection with one click.
IELTS Speaking Format
The IELTS Speaking test takes 11-14 minutes and consists of three parts. Voxlio simulates each part with realistic timing and question formats.
Introduction & Interview
General questions about yourself, family, work, studies, and interests. Each answer should be 30-45 seconds. Voxlio gives you 60 seconds per question with a live countdown timer.
Individual Long Turn
You receive a cue card with a topic and bullet points. 1 minute to prepare, then speak for up to 2 minutes. Voxlio tracks preparation and speaking time separately with structure analysis.
Two-way Discussion
Abstract questions related to Part 2 topic. Elaborate with explanations and examples. Voxlio gives 90 seconds per question and generates adaptive follow-up questions.
Assessment Criteria
Voxlio evaluates your speaking across the four official IELTS criteria, each weighted equally at 25%. The overall band score is the average of all four, rounded to the nearest 0.5.
Fluency & Coherence
Speaking flow, logical connection of ideas, use of discourse markers like 'firstly' and 'moreover'
Lexical Resource
Vocabulary range, precision, less common items, and paraphrasing ability
Grammatical Range & Accuracy
Sentence variety (simple, compound, complex), grammatical correctness, error frequency
Pronunciation
Clarity, intonation, word stress, rhythm, and connected speech patterns
IELTS Band Scale
Full operational command. Appropriate, accurate, fluent with complete understanding.
Fully operational command with only occasional inaccuracies. Handles complex detail.
Operational command with occasional errors. Handles complex language well.
Effective command despite some inaccuracies. Reasonably fluent.
Partial command, coping with overall meaning. Many errors.
Basic competence limited to familiar situations. Frequent errors.
Conveys only general meaning. Frequent communication breakdowns.
No real communication. Only isolated words or short phrases.
No ability to use the language beyond a few isolated words.
No assessable information provided.
Tips for Success
Frequently Asked Questions
How does the AI assessment work?
Your speech is transcribed via the browser's Web Speech API, then sent to Groq AI for evaluation against official IELTS band descriptors. The AI returns a structured assessment with criterion scores, feedback, and improvement advice.
Is this free to use?
Yes, Voxlio is completely free. We use multiple Groq API keys for load balancing to ensure reliable assessments without cost to you.
How accurate is the AI scoring?
The AI is calibrated against official IELTS band descriptors (British Council / IDP / Cambridge). It scores across 4 criteria equally weighted at 25% each. While not a substitute for a certified examiner, it provides consistent, detailed feedback to track your progress.
How long does an assessment take?
Part 1 takes about 5 minutes (6 questions, 60s each). Part 2 takes about 3 minutes (1 min prep + 2 min speaking). Part 3 takes about 6 minutes (4 questions, 90s each). Results appear within seconds of completion.
Can I retake assessments?
Yes, unlimited attempts. Each assessment contributes to your XP and level progression. Your score history tracks every attempt so you can see your improvement over time.
What parts of IELTS Speaking are covered?
All three parts: Part 1 (Introduction & Interview), Part 2 (Individual Long Turn with cue card), and Part 3 (Two-way Discussion with follow-ups).
Do I need to create an account?
Yes, an account is required to save your assessment history, track progress, and maintain your level and XP.
What browser do I need?
Any modern browser (Chrome, Firefox, Safari, Edge) with microphone access. The Web Speech API works best in Chrome and Edge for real-time transcription.
How does the AI Vocabulary feature work?
Type any word into the AI Vocabulary Assistant inside Vocabulary Builder. It sends the word to Groq AI which analyzes it using OALD (Oxford Advanced Learner's Dictionary) style. You get the Uzbek translation, pronunciation, meaning, 3 synonyms, 3 definitions, 3 collocations, and 3 example sentences. Click 'Add to Vocabulary' to save it as a flashcard.
Can I save analyzed words?
Yes. Each AI analysis has an 'Add to Vocabulary' button. Clicking it saves the word with its Uzbek translation, definition, and example sentence to your personal vocabulary collection as a 3D flip flashcard.