Comparisons
The best AI English tutor in 2026
AI English tutors have improved dramatically. Here's how the leading options compare — what they're good at, where they fall short, and which one is worth your time.
Tagged: CEFR
5 articles
Learning guides
How to go from A0 to A1 in 30 days
Starting from zero feels overwhelming. This guide breaks the A0→A1 transition into a 30-day plan — what to focus on, how much time to spend, and the habits that actually work.
Reference
CEFR levels explained: A1 to C2
A0, B2, C1 — these letters appear everywhere in language learning but are rarely explained clearly. Here's what each CEFR level means in practice, and how to know which one you're at.
Learning guides
Why most English learners quit at B1 — and how to break through
B1 is the most common sticking point in English learning. Learners reach functional communication and stop improving. Here's why it happens and what actually works to push through.
Exam prep
How to predict your IELTS score before you take the exam
Walking into the IELTS exam without a realistic score prediction is expensive. Here's how CEFR benchmarking and targeted practice give you a reliable indicator before test day.
In Carna for Schools
The class, course by course.
A class report in the teacher's app, cropped to Course success: every course the class took, ranked by its average score.
See Carna for SchoolsPut it into practice.
Carna teaches English across eight skills, A1 to C2. Schools and teams can see the app on a call; if you are learning on your own, join the early-access list for the personal tutor.