Some iOS and Android apps that let you make free phone calls over Wi-Fi have a “catch,” such as requiring a specific app (such as Skype, FaceTime or WhatsApp); needing a home service from the ...

Meanwhile, there are plenty of apps out there that use newer technology for better-sounding phone calls. Carriers have been improving the audio quality of phone calls with HD voice, but it's still ...

Essential apps for your new Android smart phone. They’re all free too! Originally published Nov. 1. Top 25 iPad Apps for Kids ...

Other Fire tablets, which don't have Hands-Free mode, need you to tap the home button to use the feature. All other tablet users will need to open the Alexa app to make a call or send a message .