Lex Sprint

Lex Sprint is a dedicated IELTS Speaking Part 3 active vocabulary training app designed to help candidates break the barrier between passive vocabulary and fluent, high-scoring spoken production (Band 7.5+).

Stop getting stuck with generic, simple words. Lex Sprint trains you to express complex ideas naturally using cognitive archetypes, societal tension frameworks, and authentic lexical chunks.

KEY FEATURES:

1. 18 High-Frequency Topic Modules
Covering Education, Globalisation, Environment, Urbanization, Digital Society, Public Policy, Culture, and 11 other critical IELTS speaking themes.

2. 4-Phase Progressive Curriculum
Systematically build active vocabulary across 483 bite-sized lessons:
- Phase 1: Cognitive Foundations & Core Concepts
- Phase 2: Natural Lexical Chunks & Collocations
- Phase 3: Complex Argumentation & Nuance
- Phase 4: Full Part 3 Exam Simulation

3. Real-Time Spoken Activation Analysis
Leverages Apple's on-device speech recognition to transcribe and highlight your target collocations in real time, assessing your active vocabulary ratio immediately after speaking.

4. Smart Ebbinghaus Spaced Repetition
Automatically tracks weak words through an intelligent retrieval schedule to ensure active vocabulary is permanently consolidated.

5. 100% On-Device Privacy & Offline Ready
All speech recognition, audio evaluation, and learning data are processed and stored locally on your device. Zero cloud uploads, zero user tracking, zero account registration required.

REQUIREMENTS:
Compatible with iPhone and iPad running iOS 17.0 or later.