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CastBox

Consumer Services · San Francisco, United States · Founded 2016

Award winning global podcast platform that enables anyone to easily find, access, create and enjoy spoken audio content MoreLess

Castbox is a leading podcast platform that offers a comprehensive library of millions of podcasts across various topics, including true crime, comedy, politics, and more. The platform is accessible on multiple devices such as Apple iOS, Android, Amazon Alexa, Google Home, Carplay, Android Auto, and PC, making it versatile and user-friendly. Castbox serves a wide range of clients from casual listeners to podcast enthusiasts who seek high-quality audio content. Operating in the digital media and entertainment market, Castbox employs a freemium business model, offering free access to its vast podcast library while generating revenue through premium subscriptions and advertising. The premium subscription provides an ad-free experience and additional features, enhancing user engagement and satisfaction. Castbox also supports podcasters by offering tools for podcast creation and distribution, thereby fostering a vibrant podcasting community.

Keywords: podcast, app, iOS, Android, Alexa, freemium, subscription, advertising, digital media, entertainment.

Company overview

CastBox company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2016
Headquarters
San Francisco, United States
Employees
78
Open positions
None listed
Dealroom signal
80.9
technologyArtificial Intelligenceclient focusb2ctechnologyMachine LearningtechnologyNanotechsub industryStreamingbusiness modelSaaSsectorAudiosectorEntertainmentsectorCore AIsectorHard TechsectorAI ApplicationsindustryMedia

Valuation & funding

CastBox funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES COther financing Apr 2021 $15M $60M Qiming Venture Partners
SERIES BOther financing Apr 2018 $14M $54M Qiming Venture Partners · IDG Capital · GSR Ventures · SIG China
SERIES AOther financing Oct 2017 $13M $51M IDG Capital · SIG China · ZhenFund · GSR Ventures
SERIES AOther financing Jun 2017 $13M $51M Undisclosed
SERIES AOther financing Jul 2016 $2.3M $9.2M IDG Capital · Mobvista · ZhenFund
EARLY VCOther financing Mar 2016 ZhenFund
SERIES AOther financing Jun 2007 IDG Capital · SIG China · ZhenFund · GSR Ventures
Showing 7 recorded eventsUnlock the complete deal history →

Financials

Revenue and workforce over time

Available revenue and workforce history. Fields without reported data are omitted.

YearRevenueGrowthEmployees
2026 $8.8M 0% 78
2025 $8.8M 0% 80
2024 $8.8M 0% 71
2023 $8.8M +12.9% 68
2022 $7.8M -4.6% 63
2021 $8.1M 0% 57
2020 $8.1M 63
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

CastBox website traffic

Latest recorded traffic for CastBox is 730K monthly website visits, up 12.3% over the last three months. CastBox's team declined 2.5% over the past year.

Latest monthly visits730K 3-month web change+12.3% 1-year team growth-2.5%
Monthly website visits105 observations · Oct 2017–Jul 2026
Hover or focus a point to see its exact monthly valueCompare with peers →

Comparisons

CastBox compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

CastBox's talent

Book a demo to see the people
Team profiled 7 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

6 investors on CastBox's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Series A 6 investors entered at this stage

Global footprint

Where CastBox has talent and traffic

Workforce by country
7 countries with
team presence
🇨🇳 China37.7%
🇺🇸 United States32.1%
🇮🇷 Iran13.2%
🇭🇰 Hong Kong3.8%
🇬🇧 United Kingdom1.9%
Top 5 of 7 shown

In the news

Latest news about CastBox

Recent press, funding announcements, and product moves mentioning CastBox — open to read from the original sources.

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Market sentiment

What the market is saying about CastBox

An AI-synthesized read of the highest-engagement posts about CastBox on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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