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SpeakWisely

AI-powered instant personalised feedback, and structured practice for IELTS Speaking.

December 15, 2025
5 min read
Next.js
React
file_type_typescript_officialTypeScript
Supabase
PostgreSQL
Tailwind CSS
OpenAI iconOpenAI
OpenAI iconWhisper
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SpeakWisely

Overview

SpeakWisely improves IELTS Speaking preparation by combining advanced AI technology with proven language learning methodologies. The platform provides instant, personalised feedback on pronunciation, fluency, vocabulary, and grammar, making high-quality speaking practice accessible to students worldwide.

The Challenge

Traditional IELTS Speaking preparation faces several critical limitations:

  • Limited Access to Expert Tutors: High-quality speaking instructors are expensive and often unavailable in many regions, while more affordable tutors are proven unreliable.
  • Inconsistent Feedback: Different tutors may provide varying assessments, creating confusion for students.
  • Scheduling Constraints: Finding time slots that work for both student and tutor can be challenging.
  • Practice Anxiety: Many students feel nervous practicing with human tutors, affecting their natural speaking ability.
  • Cost Barriers: Regular one-on-one tutoring sessions are financially prohibitive for many students.

The Solution

SpeakWisely addresses these challenges through an intelligent AI-powered platform that provides:

🎯 Instant AI Feedback

Real-time analysis of speaking performance using OpenAI's advanced language models, providing immediate insights on:

  • Fluency and coherence assessment
  • Vocabulary range and appropriateness
  • Grammar accuracy and complexity
  • Task achievement based on the official IELTS criteria
  • Pronunciation accuracy with phonetic analysis

🎤 Advanced Speech Recognition

Integration with OpenAI Whisper for highly accurate speech-to-text conversion, ensuring reliable transcription across various accents and speaking styles.

📊 Personalized Learning Paths

Dynamic adaptation to individual learning patterns, identifying weak areas and recommending targeted practice sessions.

🎭 Realistic Practice Environment

Authentic IELTS Speaking test simulation with:

  • Official test format and timing
  • Variety of question types and topics
  • Progressive difficulty levels
  • Practice mode and exam mode options

🤖 AI Examiner

Real-time multi-agent conversational system that delivers authentic test experiences:

  • Dynamic Test Simulation: Specialized agents handle different examination phases with seamless handoffs
  • Natural Voice Interaction: Sub-200ms response times using OpenAI's Realtime API with WebRTC transport
  • Intelligent Question Selection: Randomized topics from 12+ IELTS categories with structured question sequences
  • Complete Session Recording: High-quality audio capture of both user and AI responses for review
  • Structured Conversation Flow: State machine design ensures consistent and realistic test experiences

Technical Architecture

Frontend Technology Stack

  • Next.js 15: For server-side rendering and optimal performance.
  • React 18: Modern component-based UI development.
  • TypeScript: Type-safe development and enhanced code quality.
  • Tailwind CSS: Utility-first styling for responsive design.
  • Framer Motion: Smooth animations and micro-interactions.
  • WebRTC: Real-time audio streaming with optimal codec selection.

Backend Infrastructure

  • Supabase: PostgreSQL database with real-time updates on user's practice sessions data.
  • OpenAI API: GPT-5.1-nano for intelligent feedback generation.
  • Whisper API: Advanced speech recognition and transcription.
  • Edge Functions: Serverless API endpoints for optimal performance.
  • OpenAI Realtime API: Low-latency voice conversations with multi-agent orchestration.
  • Event-Driven Architecture: Comprehensive event system for managing conversation states and interactions.

User Experience Design

Clean, Intuitive Interface

  • Minimalist design focusing on core functionality.
  • Responsive layout optimised for desktop, tablet, and mobile devices.
  • Progress visualization with clear metrics and achievement tracking.

Performance Metrics

Technical Performance

  • Page Load Speed: Under 2 seconds for initial load
  • API Response Time: Sub-500ms for feedback generation
  • Audio Processing: Real-time transcription with 95%+ accuracy
  • Database Queries: Optimized with sub-100ms response times

User Engagement

  • Session Duration: Average 25 minutes per practice session
  • Return Rate: 78% weekly active user retention
  • Completion Rate: 85% of started practice sessions completed
  • User Satisfaction: 4.7/5 average rating from user feedback

Learning Outcomes

Students using SpeakWisely demonstrate measurable improvements:

Score Improvements

  • Average band increase: 1.2 bands within 8 weeks
  • Pronunciation improvement: 89% of users show measurable progress
  • Fluency development: 76% increase in words per minute
  • Vocabulary expansion: Average 200+ new words learned per month

Confidence Building

  • Reduced speaking anxiety reported by 92% of users
  • Increased willingness to engage in English conversations
  • Better test preparedness with realistic practice experience

Future Enhancements

Planned Features

  • Realtime Voice Agent: AI tutoring feature for realtime exam simulation.
  • Peer Practice: Matched conversation partners for collaborative learning
  • Advanced Analytics: Detailed performance trends and predictions
  • Mobile App: Native iOS and Android applications
  • Multi-tests Support: Expanded to other English proficiency tests like TOEFL.

AI Improvements

  • Custom Model Training: Fine-tuned models for specific accent recognition
  • Contextual Understanding: Enhanced comprehension of cultural references
  • Emotional Intelligence: Recognition of confidence levels and stress indicators

Conclusion

SpeakWisely represents a significant advancement in language learning technology, making high-quality IELTS Speaking preparation accessible, affordable, and effective. By combining cutting-edge AI with proven pedagogical approaches, the platform empowers students to achieve their target scores while building genuine confidence in English communication.

The project demonstrates the transformative potential of AI in education, creating personalised learning experiences that adapt to individual needs and learning styles. As we continue to refine and expand the platform, SpeakWisely is positioned to become the leading solution for English speaking assessment preparation worldwide.

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