CastBox Statistics, User Counts and Facts (2021)

Here are a few of the most interesting CastBox statistics and facts I was able to dig up including user counts. As always, be sure to check back in the future as I will be updating this post as new and updated stats become available.

CastBox Facts

What is CastBox?

Castbox is the leading global spoken audio platform pioneering in-audio search to deliver contextual recommendations for listeners of podcasts, on-demand radio, and audiobooks. (source)

CastBox User Count

How many people use CastBox?

20 million users

Last updated 11/15/19

Additional CastBox Statistics

Number of downloads in the US in 2018:

3 million

Growth in users in the US from 2017-2018:


Number of episodes in the library:

50 million

Last updated 3/6/21

Reported amount raised in funding:

$29 million

Last updated 6/27/18

Number of languages:

70 languages

Last updated 4/24/18

Number of employees:


Last updated 5/7/18

Please note that some of these numbers are easier to find than others. A few of these CastBox stats come from their own reports, but some are based on news reports and not official company tallies. No information contained on DMR should be relied upon to make investment decisions. Basically, this is the best I can find and I don’t guarantee anything to be 100%.

About Craig Smith

DMR Publisher. Director of Marketing by day and I run this little site at night. Other interests include Disney, Sports, 80's Nostalgia, LEGO, Star Wars and Tech Gadgets. Other sites include and