Question: I'm looking for an online English tutoring service that offers flexible and customized lessons for busy professionals.

First up, Loora is an AI-powered service that offers one-on-one, real-time conversations to help you improve fluency and confidence. It includes tools like realistic conversation simulations, immediate feedback on pronunciation and grammar, and practice interviews. Loora is good for people who want to improve their English for work, school or personal reasons, and offers flexible plans with daily lessons and continuous feedback.

Another contender is Praktika, which offers personalized, automated 1-1 tutorship through generative AI Avatar Tutors. It offers real-time conversations, immediate feedback and progress tracking so it can adapt to your needs. With a library of content and personalized exercises, Praktika is a lower-cost alternative to traditional tutoring, and it's self-paced so you can learn when and how you want.

If you're working on pronunciation and fluency, ELSA is a good option with its AI-powered English speaking coach. It offers immediate feedback through real-world conversations and tracks your progress with reminders and rewards. ELSA also offers a Pro subscription with customized lesson plans and detailed reports, so it's good for individuals and employers wanting to improve their employees' English.