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Cast to Your New Chromecast Audio with These iPhone Apps



The all-new Chromecast Audio is designed to smarten up any speakers you own – as long as they have a 3.5mm in jack – by hooking them up to the internet.

Of course, the record-shaped Chromecast needs some apps to support it; you can use any Chromecast-enabled app to send content to the Chromecast Audio, but most are designed to send video to your television. Here are the top audio-only apps to give your iPhone something to cast about.


Price: free (offers iPad app)

Rating: All versions: 4 stars (14042 reviews) Current version: 4 stars (49 reviews)

Rdio is a classic online streaming music service founded by the partners behind Skype. It offers both ad-free premium subscriptions as well as ad-supported music listening. You can listen to Rdio via your Chromecast-supported iPhone, but also via Chrome on the desktop.

You can download Rdio in the App Store here.


Price: free (offers iPad app)

Rating: All versions: 4 stars (10793 reviews)

Another online music streamer, Rhapsody is one of the oldest around at nearly fourteen years old. Like many of the older apps, this started out as a music store with tracks you downloaded and bought, but has since made the transition to a streaming service. They offer your first three months for a dollar, then charge ten bucks a month (with a discount for those of you on T-Mobile).

You can download Rhapsody in the App Store here.


Price: free (offers iPad app)

Rating: All versions: 4.5 stars (33966 reviews) Current version: 4.5 stars (663 reviews)

Songza differentiates itself from the other massive music streamers by avoiding all the computer-generated music playlists. Instead of relying on an algorithm to model a user’s tastes and behaviors, Songza prefers to use playlists made by “music experts.”

With its large amounts of pre-generated playlists, the company tailors its recommendations to the user by relying on activities – offering a high-intensity playlist for working out, or a calmer one for a late-night, pre-bed dance party. It also offers fun playlists like “90s One-Hit Wonders” that are often hard to find on competing services.

You can download Songza in the App Store here.

TuneIn Radio

TuneIn Radio

Price: free (offers iPad, Apple Watch apps)

Rating: All versions: 4.5 stars (80866 reviews) Current version: 3 stars (84 reviews)

Instead of offering music, TuneIn lets your iPhone tap into more than 100,000 broadcast radio stations in real time (including AM, FM, HD, digital, and internet stations), as well as more than four million programs on demand – like podcasts.

You can download TuneIn Radio in the App Store here.

TuneIn Radio ProTuneIn Radio Pro 

Price: $9.99 (offers iPad, Apple Watch apps)

Rating: All versions: 4.5 stars (66764 reviews) Current version: 3.5 stars (69 reviews)

TuneIn Radio Pro removes the ads from the TuneIn app; the two apps / services are otherwise identical.

You can download TuneIn Radio Pro in the App Store here.

Google Play MusicGoogle Play Music

Price: free (offers iPad app)

Rating: All versions: 3 stars (3515 reviews) Current version: 2.5 stars (38 reviews)

The lowest rated option of any apps in the list, Google Play Music is the search giant’s unlimited music service – you can subscribe to the premium service and gain the ability to listen to whatever whenever, or keep your change and let the ads support your music habit.

Play Music is similar to Songza in terms of offering a bunch of tailored playlists, but this time around, it’s all done automatically by Google’s servers.

You can download Google Play Music in the App Store here.


Price: free (offers iPad app)

Rating: All versions: 3.5 stars (249366 reviews) Current version: 5 stars (941 reviews)

iHeartRadio works by recommending you new music and, like TuneIn, the ability to listen in to hundreds of local broadcast radio stations across the US (and a few others from around the world). If your local station is part of the Clear Channel conglomerate, then this might be the app you want to get.

You can download iHeartRadio in the App Store here.


Price: free (offers Apple Watch app)

Rating: All versions: 4 stars (640 reviews) Current version: 3.5 stars (10 reviews)

On the surface, NPR One seems like yet another radio streaming app.  And it is! But it’s more than that, too. A new re-branding effort on the part of NPR’s online services, NPR One includes the ability to stream your local – or any other – NPR-affiliated station. It also lets you listen to NPR shows and podcasts, and tailors NPR news coverage to your interests, so you can get brief stories mixed in with music and talk radio.

You can download NPR One in the App Store here.


Price: free (offers iPad app)

Rating: All versions: 4 stars (1006112 reviews) Current version: 4.5 stars (2065 reviews)

An outgrowth of the storied Music Genome Project, Pandora was the original music recommendation service and store that, like everyone else, now survives as a music streaming platform. It offers both ad-supported (“free”) and premium options for music, but only 5% of its users end up forking over the cash.

It’s also one of the largest services of its kind with 80 million active users (and just look at the number of reviews).

You can download Pandora in the App Store here.


Price: $2.99 (offers iPad, Apple Watch apps)

Rating: All versions: 4.5 stars (3480 reviews) Current version: 3.5 stars (56 reviews)

Downcast was one of the original “podcatchers” – an app or service designed primarily for the downloading of and listening to podcasts – offered in the iOS App Store. Its adoption was driven by users dissatisfied with the development and lack of features in iOS’ native Podcasts app.

As it doesn’t offer content, the app survives through purchases and not advertising; that’s why it’s one of only two paid apps on our list.

You can download Downcast in the App Store here.


Price: free (offers iPad app)

Rating: All versions: 3 stars (3255 reviews) Current version: 4.5 stars (6 reviews)

Our last app is another music streaming service with approximately 16 million users, about a third of which are subscribed to the paid tier. It’s one of the original streaming platforms and has struggled to pay the bills even as it blazed the trail for other apps to follow.

You can download Deezer in the App Store here.



  1. Bikr

    10/05/2015 at 5:54 pm

    Ummm…don’t forget about Spotify!

  2. Sebastian

    11/08/2015 at 11:40 am

    Hi, Very nice that you can use these apps with the chromecast audio. Please note that only most apps will allow to cast once you subscribe to their premium service!!
    So although the app is for free, you have to pay the monthly fee to be able to cast through your chromecast audio and that sucks!

  3. Ryan

    12/09/2015 at 12:23 am

    What about Soundcloud?

  4. Sg

    12/21/2015 at 10:00 am

    Any audio app that play what is available in iphone? Or downloaded from internet such as mp3?

  5. GusSmith

    05/27/2016 at 9:15 am

    So how to play MP3 files on Iphone to Chromecast Audio??

  6. Everappz

    01/24/2017 at 12:37 pm

    SoundCloud users may also find this app useful: Soundy – Stream SoundCloud Music to Chromecast on the App Store

    Soundy is full-featured SoundCloud Audio Player with Google Chromecast support. It allows you to listen to your SoundCloud Music on Google Chromecast Device in the background with remote controls support. 10-band equalizer, Audio bookmarks,Playback speed control, Sleep Timer and many other features.

    Soundy is absolutely free and available on the App Store:

  7. Brett Reinhard

    03/16/2017 at 12:04 am

    It’s a bit out of the box but I have been able to successfully streaming audio via AirPlay to multiple chrome cast audios.

    For this you will need a raspberry pi running Ubuntu MATE and use the following git hub repo

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