The unique SC Protocol makes 4Freedom Messenger one of the lowest data-consuming communications apps on the market. If your internet is expensive or if you want to save on data, you can turn on the mode called, “Low Data Usage” to minimize the amount of data consumed during calls and messaging. Disable this mode for the highest quality voice and video calls. With Low Data Usage mode, you can talk for up to 7 minutes while using only 1 MB of Internet data. Switch on/off Low Data Usage mode by going to Settings → Low Data Usage → Enable/Disable.