Freemium pricing involves allowing consumers access to a product for free but getting consumers to pay only when they wish to use features that are marked as premium. Hence the name freemium - which is a combination of the two words 'free' and 'premium'. Freemium pricing is prevalent across social media platforms, entertainment, music and other product categories. It is hugely popular in mobile app stores and is used extensively by mobile application developers as a steady source of revenue. Learn more in this infographic.