one screen IOS app

we need a simple IOS app that when logged in will show data via json api. The design is ready in FIgma and after login you will need to call the API which you need to display in the design . The API will be called every 30 secs and refreshed with the new data.

Everything is explained here in the link
https://docs.google.com/document/d/183kuNGUBoV1kwGeGq_zLJgQNpUgGtdF0YFWzXM8rS_U/edit?usp=sharing