Learning guides
In a randomised trial at Harvard, students learned more from a carefully designed AI tutor than from an active learning class, in less time. Here is what the study did, why the tutor worked, what it does not prove, and what it means if you are learning English.
Learning guides
Where to look for an online English tutor, how to read a profile, what to test in a trial lesson, and how to tell after a month whether it is working.
Comparisons
Published one-to-one English lesson prices on the big platforms and in the US, what makes a tutor cost more, and what a year of lessons really adds up to.
Learning guides
A personal English tutor works with one learner and plans every lesson around that learner's level, goal and mistakes. Here is what they do, what a lesson looks like, and where an AI tutor fits.
Comparisons
Short answer: Carna for one tutor across all eight skills on a CEFR path, Speak or Praktika for conversation, ELSA Speak for pronunciation, Duolingo for a daily habit, Cambly for a human. The most free practice: Gliglish and TalkPal, ten minutes a day.
Learning guides
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.
Comparisons
Both AI and human English tutors can improve your English. They do it differently, and the right choice depends on what you're trying to achieve and how you learn.
Learning guides
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.
Learning guides
Speaking confidence is not the same as speaking ability. Many learners with solid grammar and vocabulary still freeze in real conversations. Here's how to fix the gap.
For educators
Marking essays and speaking exercises by hand is the largest single time cost in most English teachers' weeks. Here's what AI grading actually does — and what it doesn't replace.
Exam prep
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
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 SchoolsCarna 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.
