smpl Voice is a VoIP softphone application for iPhone that allows users to make and receive calls over data or WiFi anywhere in the world. Developed by Simple Phone Company, this app offers an alternative to traditional phone services by utilizing internet connections instead of minutes. With smpl Voice, users can enjoy easy extension-to-extension calling and make calls from anywhere without worrying about missing important calls.

One of the standout features of smpl Voice is the ability to add a direct number to the Voice Platform, which allows users to have a second number on their iPhone. This offers added convenience for those who need to separate personal and business calls or have multiple phone numbers for different purposes.

Overall, smpl Voice provides a reliable and convenient solution for iPhone users who want to make and receive calls using VoIP technology. With its easy-to-use interface and seamless integration with smpl.co accounts and services, this app is a valuable tool for those looking to optimize their communication experience.