Pinger has been building apps that help people communicate in new and surprisingly simple ways since 2005. Our two flagship s ... ervices, Sideline and Textfree, have been used by over 100 million people around the world. Sideline gives people a 2nd phone number to organize work and life on one device. As the go-to phone solution for mobile professionals, Sideline is one of the fastest-growing communication apps in the App Store and Google Play. Textfree makes communication free and accessible, even without a carrier plan. As the original free texting app, Textfree lets anyone with an internet connection call and text for free from a real phone number. read more