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Install Apoynt
iPhone / iPad
In Safari, tap Share (square with an arrow), then Add to Home Screen, then Add. The icon is named Apoynt.
Android phone or tablet
If Chrome offers Install, tap it. Otherwise swipe up to search, find Apoynt, then long-press and drag it onto your Home Screen. You can also use Chrome’s menu (⋮) → Install app / Add to Home screen first.