Buy a virtual phone number to receive SMS from Myfishka

Myfishka is a software loyalty system in Russia that allows users to receive bonuses and discounts upon making purchases from Myfishka partners. The system also provides information about bonus programs and promotions. You can register additional accounts on Myfishka by purchasing a virtual number for receiving SMS on 5SIM

How convenient is it to use this website?
Thank you! What can we improve?