I've completed Exercism courses and they are great.
One thing that was obvious to me is that if you want to focus on a specific topic the $15/month subscription is too cheap, you can pay, take the course, cancel because you are done with the course, all within the month.
The other thing that is challenging is that the majority of programmer is either too cheap or "too broke", $15 USD is a meaningful amount of money in other countries with weaker currency, and in countries with strong currency I've met people paying thousands for a university diploma, doing a well paid internship that "could not afford exercism". That's though, I hope I never have to build a business for software developers.
All of that shared experience comes from 3-4 years ago, so prices, models might have changed since that, but if they go under it's sad, their UI and their UX was so clean, fun, interactive, pleasant, etc, it was a joy to study using their material.
One thing that was obvious to me is that if you want to focus on a specific topic the $15/month subscription is too cheap, you can pay, take the course, cancel because you are done with the course, all within the month.
The other thing that is challenging is that the majority of programmer is either too cheap or "too broke", $15 USD is a meaningful amount of money in other countries with weaker currency, and in countries with strong currency I've met people paying thousands for a university diploma, doing a well paid internship that "could not afford exercism". That's though, I hope I never have to build a business for software developers.
All of that shared experience comes from 3-4 years ago, so prices, models might have changed since that, but if they go under it's sad, their UI and their UX was so clean, fun, interactive, pleasant, etc, it was a joy to study using their material.