Question: I need a tool that helps me practice coding for interviews, with features like code review and feedback on mistakes.

If you're looking for a tool to practice coding for interviews with features like code review and feedback on mistakes, CodingDrills could be a good option. The online service offers personalized AI tutoring through a large library of exercises and interactive feedback. With more than 100 problems updated each week, it spans a range of topics including strings, math, arrays and more. The service also offers tutorials for different skill levels, so it's good for beginners and experienced programmers.

Another good option is AI Code Mentor. The service uses artificial intelligence to review and refactor code, explaining its reasoning so developers can learn from complex problems. It handles several programming languages, including JavaScript, HTML/CSS and Python. AI Code Mentor can help you simplify code complexity, spot bugs and perform guided code reviews, which can dramatically improve your coding abilities and speed up development.

If you want to go even more AI-heavy, Codara is a powerful service that offers real-time code feedback and suggestions for improvement. It offers AI code review, diagnosis and live feedback as you type to keep your code clean and efficient. With customizable criteria and a 14-day free trial, Codara is a good option for solo developers and teams.

Last, Metabob uses graph-attention networks and generative AI to help with code review, refactoring and debugging. It's designed to improve software security and quality by finding and fixing complex coding problems across codebases. With features like AI code review, software security scanning and self-hosted deployment, Metabob is good for maintaining legacy code and analyzing new code.