The most common form of texting worldwide is through over-the-top (OTT) services that operate on top of another service. In this case, the internet. Apps that offer OTT messaging surged in ...

Mobile messaging is an app you download on to your smartphone, but is not available on feature phones. Both types of messaging let you send text and photos.

Developed by Twitter co-founder Jack Dorsey, Bitchat is an instant messaging app with end-to-end encryption that uses Bluetooth to send and receive messages.

Google's Android group is launching a new website campaign Tuesday focused on asking Apple to support the RCS text messaging standard in Apple's Messages app.