🇬🇧 English

Learn English with AI

Learn English as a Second Language with AI pronunciation grading tuned for 15+ L1 backgrounds. CEFR A1-C1 with IELTS and TOEFL preparation. CLIL mode lets you study school, university or work subjects in English. For learners 16 and older.

Take the Free English Placement Test See all 50+ languages

COPPA CompliantFERPA CompliantChild SafeNo AdsNo Tracking

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 Academic English

You 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.

Also explore

All Languages →Explore all 50+ languages available on Koydo Lingua.Speaking Lab →Build pronunciation and response confidence after placement.Reader →Read CEFR-tagged passages and send comprehension back into your profile.

Frequently asked questions

Is Koydo good for learners new to English?

Yes. Koydo is built for learners whose first language is not English. The placement test identifies your starting level, and the L1-aware pronunciation engine gives feedback specific to your native language background.

Can Koydo prepare me for IELTS or TOEFL?

Yes. Koydo includes structured preparation for both IELTS (Academic and General Training) and TOEFL iBT. All four sections are covered with AI-scored practice tests, writing feedback, and speaking evaluation. Progress reports show estimated band/score ranges.

Can I study school subjects in English on Koydo?

Yes. The CLIL mode lets you study subjects such as math, science and social studies in English, building academic vocabulary and reading comprehension alongside conversational fluency.

Ready to get started?

Start free — no credit card needed.

Take the Free English Placement Test View Plans

Loading…