Learn English with AI
Learn English as a Second Language with AI pronunciation grading tuned for 15+ L1 backgrounds. CEFR A1-C2 with IELTS and TOEFL preparation. CLIL mode lets your child study school subjects in English. Ages 3 to adult.
L1-Aware Pronunciation
Koydo's English pronunciation grading is tuned for your native language. Spanish speakers get targeted th/s drills, Japanese speakers get l/r training, and Arabic speakers get vowel-length practice. 15+ L1 profiles available.
CLIL for ESL Families
Your child can study math, science, and social studies IN English while building language skills. CLIL immersion is the fastest path to academic English proficiency.
IELTS & TOEFL Preparation
Structured preparation for IELTS Academic/General and TOEFL iBT. Practice all four sections (reading, writing, listening, speaking) with AI-scored responses and score prediction.
Family Learning Mode
Parents and children can learn English together with shared vocabulary lists, family conversation topics, and parallel progress tracking. Different difficulty levels for each family member.
Frequently asked questions
Is Koydo good for ESL families new to English?
Can Koydo prepare me for IELTS or TOEFL?
Does Koydo support my child's school English?
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