Acquire English with Science

Evidence-based lessons built on second-language acquisition research, spaced repetition, and cognitive load theory. No gamification — just effective acquisition.

Start your first lesson (2 min)

Why this works

Comprehensible Input

Lessons designed at i+1 level — challenging but understandable. Based on Krashen's Input Hypothesis.

Spaced Repetition

SM-2 algorithm schedules reviews for optimal retention. No backend — runs entirely in your browser.

Autonomy & Competence

Self-paced with clear progress tracking. Built on Self-Determination Theory for sustained motivation.

Cognitive Load Optimized

Multimedia principles applied: integrated audio/text, minimal extraneous load, coherence signaling.

Ready to begin?

Start with: Can identify basic body parts and simple health vocabulary

First Lesson →