Customize interface for mobile app and website

we are aboout to purchase this app as the below link hence we need your support to provide attractive interface proposal for the app and wesite as per the attached requirments documents,

https://codecanyon.net/item/adforest-classified-native-ios-app/22015091

http://preview.themeforest.net/item/adforest-largest-classified-marketplace-ads-template/full_screen_preview/19225625?_ga=2.64609516.291760338.1632588197-1055327326.1628859171&_gac=1.187093466.1632588197.Cj0KCQjwkbuKBhDRARIsAALysV4fzBdEhrFbQSCaBQ7Mq-M-1oi6X5wEYQ6DIwfTZOJWopl5WdQZKp0aAplGEALw_wcB


The designs must be delivered by wednesday max