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Science-Backed Learning: Master vocabulary from real videos, texts, and saved context using the FSRS algorithm and Dual Coding Theory.
No Boring Textbooks: Learn directly from content you watch. Our browser extension analyzes subtitles in real time.
Science-Backed Retention: Powered by the FSRS-6 algorithm, proven for accurate memory scheduling.
Always in Sync: Create cards on your laptop and review them on your phone with seamless cloud sync across all devices.
Browser Extension: Turn videos into language lessons. Works on YouTube, HDrezka.kim, with experimental Netflix and Coursera support.
Cross-Device Review: Your progress syncs instantly across desktop, tablet, and mobile.
Analytics: Track your mastery and visualize vocabulary growth with detailed heatmaps and streak tracking.
Experimental AI Tutor: Practice conversations using the exact vocabulary you've learned, with adaptive guided prompts.
LexiSpark offers a complete ecosystem designed around Comprehensible Input and spaced repetition, making language learning efficient and engaging.
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