Wikilips (Wikilips.com) is a fully functional website dedicated for English pronunciations with a huge potential of advertisements. Wikilips has published an Android smart phone app. An iPhone app is on the way.
Currently, Wikilips is totally free. However, Wikilips has huge potentials in bringing in cash flow by 1) on-line/mobile advertisements based on searched items and 2) subscription of smart phone apps.