Voice Calls Over Wi-Fi
These apps make voice calls using Wi-Fi so you don't incur cellular minute charges. Not only that, but they can help you get better reception!
These apps help you locate Wi-Fi in your area and shift your data usage from cellular to Wi-Fi by connecting you to nearby Wi-Fi hotspots.
International Long Distance
These apps allow for cheap international calls. They’re ideal if you have family overseas or business out of the country!