Telehealth is a relatively new business model for the healthcare industry. However, its emergence and development were predicted almost 100 years ago. In 1925 Hugo Gernsback, a radio and publishing pioneer, published a bold article stating that there will be a technology allowing doctors to consult their patients remotely using a screen and robot arms. In 2021, telemedicine innovations are going to evolve, so in this article, we suggest dwelling on how to create a telehealth app, its benefits, costs and essentials.