Thats a reason for the clients to be mobile first, but not why it meeds to be an app. It can be the movile version of the website too. Itll be less code manage

Thats a reason for the clients to be mobile first, but not why it meeds to be an app. It can be the movile version of the website too. Itll be less code manage that way too. Why dont companies just focus on mobile web?