Fono app is the international calling app. Call international numbers at the cost of local calls. Fono is also a Mobile Topup Recharge app. Users can recharge instantly, all UK mobile networks including Asda mobile, Delight mobile, Virgin, Vodafone, etc. Fono also supports international mobile recharges in over 120 countries and supports over 400 networks. Save money on "cheap international call" costs without sacrificing on the voice quality using this application.