2025-09-10 00:00:00 The 2ndNumber app for use with 2ndNumber accounts. Make and receive calls on your 2ndNumber with the convenience of a native Android app. The app runs in the background so you can receive calls at any time (Internet connection required). You can also make calls via the app directly. SMS send and receive directly within the app - tap the SMS icon at the bottom of the screen to send and receive SMS. Future revisions will include PUSH notifications.