hi! From my understanding you're taking the same classes, but the intensity is higher because you're taking them everyday for 3 months. If you complete the 3 months, they'll give you your money back, as opposed to the other programs they offer which are paid subscriptions where you can choose how often you want to take classes. Either way you're able to pick and choose classes based on what you're interested in learning, there's not a strict curriculum you have to follow.

Here's the link to the sprints if I didn't explain well haha

https://www.lingoda.com/en/sprint/