Enjoy cheap international calls via this mobile app. It routes calls over WiFi or mobile data to landlines and mobiles in over 200 countries, helping you avoid carrier roaming charges. No account or subscription is needed; just open, pick a country, and dial. Get a free minute to test call quality before buying one-time minute packs starting at $1.99, which never expire. Billing is per second with no connection fee. Rates begin at $0.03 per minute for popular destinations.