Phlo has announced its decision to change its search app pricing to be free. Previously $3, Phlo allows its users to search multiple websites and services simultaneously, and those who have already paid for the app will receive free access to Phlo Sync–an additional feature for syncing collective search history across devices. Users who download the app for free can access Phlo Sync by purchasing a subscription for $2 annually. Phlo for iOS now has additional features, including a quick filter for one’s sites list that lets users jump to one’s preferred search site. An added refresh button is…