You have to use a computer for this one. Download an extension called “Facebook Invite All”, install the extension in your Chrome browser, open Facebook and click on the small icon that pops up at the top right corner of your browser, click on “Invite Friends” and all your friends will be selected.
♡ Then open your Facebook page.
♡ Hit the icon that pops up just at the top right corner of your Chrome browser.
♡ click on “Invite Friends” to beckon on all your pals.