Poly-Puff

Poly-Puff offers a comprehensive English language learning experience focusing on precision and practical application. Key features include: • Translation exercises across 52 languages • Detailed grammar feedback based on 340+ rules • Pronunciation coaching with dual audio playback • Real-time progress visualization with accuracy heatmaps This platform goes beyond traditional flashcard apps by providing genuine linguistic intelligence. Its database-first approach ensures that established grammar rules are always prioritized for accurate correction and feedback. Learners receive specific insights into their errors, helping them understand *why* a certain construction is incorrect and how to improve. The system is designed to give learners full control over their study path. Dual audio feedback allows for critical self-assessment, comparing their speech against native pronouncements at a slightly slower speed for better comprehension. Visual progress rings transition from red to emerald, offering clear, immediate feedback on mastery levels for each exercise. Poly-Puff is ideal for English as a Second Language (ESL) students and anyone seeking to improve their English proficiency, from basic grammar to advanced conversational skills. It supports a wide array of source languages, making it accessible to a global audience dedicated to mastering English.