What app do you mean? If you are talking about BooChat, its available only in Android version and iOS will be coming soon.

If you are talking about the Browser app, we only have the desktop version for windows users. If you want to search using your mobile, you can go to your safari or google chrome browser then search for Boogle.com then you can start there searching keywords after logging in to your Boogle account. 

Thank you for your interest in our project.