Looking for an easy way to get a second phone number? Our handy guide will get you up and running with an alternative number for calls and texting in no time.

Texting can also bloat a bill. That's what the aptly named TextFree app helps solve. This app gives you a new phone number and allows you to text anyone absolutely free.

Why stop at texting, they wondered. Why not make phone service itself free, including internet access? Figuring out the formula involved experimenting with different monetization approaches.

Most important, text-messaging apps use your cellphone number. Mobile-messaging apps use a user name or a phone number generated by the service, which means you’ll have two mobile numbers.

WhatsApp is rolling out a new feature that lets iPhone users set it as their default app for calls and messages. This means you can now make calls and send texts directly from WhatsApp, without ...

WhatsApp is one of the first major messaging platforms to adopt Apple's Default Apps framework. You can now use WhatsApp as the default shortcut for calling and messaging people from outside of ...