What do you do with bits on this app?

Question

I used the pro trial, and I have no idea what to do with them

Answer 1

I see you wannt to know 2 things.

1. Pro subscription unlocks extra lessons, code playground in the lessons, unlimited hearts and more.

2. Bits lets you:
• Refill hearts. Free users have 5 hearts, they can refill for 100 bits.
• Buy streak saver (120 bits)
• Skip a question in a lesson if you can't solve it (I think 20 bits)