Your Stripe account is separate from Ubindi. When you get a payment on Ubindi, the money is deposited directly into your Stripe, and from there into your own bank account (Ubindi is not a "middle man"). After an initial warm up period of a few days, any money paid to you usually hits your bank account within 24 hours.
On your Stripe dashboard, you can also access complete details for all transactions that have come in, you can issue refunds, and you can access pretty charts that give you great insight into how things are going financially. Stripe can even help you with your accounting and taxes!
Unlike with PayPal, students who pay you for things don't need to have any account with Stripe. They simply pay you using their credit card, just like on any other website. And it's all safe and secure, rest assured.