AVOO is a free social networking app designed by Gencom Technologies ltd for the iPhone platform. It aims to help users stay connected with family and friends effortlessly. The app offers features like making international calls for free or at low rates, with calls starting at half a pence per minute worldwide.

With AVOO, users can enjoy HD quality calls, dial using existing contacts or favorites, enter numbers directly in the keypad, check real-time balance, view call and payment history, and even have access to built-in local toll and toll-free numbers for convenience. Additionally, the app supports conference calls for group conversations.

AVOO provides competitive rates in the market and emphasizes the importance of enabling Caller ID, utilizing plan minutes for calling local access numbers, and recommending the use of Call back/WiFi connection while traveling or roaming.