Pinger, Inc. is a US telecom provider for free texts, pictures, calls, and voicemails.

[citation needed] Pinger was founded in 2005[2] by Greg Woock and Joe Sipher.

[2][4] The free texting features were converted into a separate iPhone app called Textfree.

Textfree is an app that allows user to call and text using a real phone number for free.

Index is an app that provides a designated business phone number with voice and text capabilities.