GoPay is a free Android app developed by GoPay Sp. z o.o. that aims to make the purchase of public transport tickets in Poland more convenient. With this app, users can buy as many tickets as they need and activate them when they need to use them.

This app offers both single tickets and periodic tickets, which can be paid for by credit card or bank transfer. The best part is that there is no need to register or recharge your account. The app is designed to make the process of buying public transport tickets as easy and hassle-free as possible.

Overall, if you are looking for a convenient way to buy public transport tickets in Poland, GoPay is definitely worth checking out. It's free, easy to use, and offers a range of payment options to suit your needs.