Smartphones aren't tablets and vice-verse. The first place to find proof that all devices aren't created equal. The kind of content and services being accessed by smartphone and tablet users are very different. While visitors largely use tablets for what's called “lazy internet”—consuming media and content, as well as browsing—they tend to prefer smartphones primarily for communication, content snacking, and using mobile apps.
Tablets are portable, while smartphones are pocket-able So tablets are mostly used in the living room, while smartphones are used within the home and also on the go. Mobile phones are also the most personal devices we use, while tablets are often shared with spouses, partners, or children.