With iOS 7 Apple used buttons with rounded rectangle borders (Outline Button). But, Apple has moved away from buttons with rounded rectangle borders. Because they found that kind of buttons decreased the CTA. What do you think about this? Do you have any case history to show or speak about? Thanks in advance.
Outline buttons (Ghost buttons) have a particularly clean, subtle look, work with almost any design. Some designers use them on elegant, sophisticated designs.
I like to use these buttons as secondary buttons. There’s no color fill so it won’t take attention away from the main action (for example like cancel buttons). In most cases, using outline button as a primary CTA isn’t a good idea.