5 Ways to Tap Into Your Smartphone’s Audio Powers A virtual assistant is just one tool that lets you use your voice to share your thoughts, capture a moment or just get things done. Apps like GarageBand for iOS, top, or Dolby On turn your smartphone into a mobile recording studio.Credit...From top: Apple; Dolby Laboratories April 7, 2021, 9:00 a.m. ET It has been a decade since Apple integrated Siri right into its iPhone software and mainstreamed the voice-activated assistant. But the assistant is just one of the voice-powered tools in your smartphone’s ever-growing audio toolbox. Your device can also be a digital recorder, a dictation machine, a podcast production studio and more. Here’s how to get things done with more talking and less typing.