CastBox Overview

  • Year Founded
  • 2016

Year Founded

  • Status
  • Private

  • Employees
  • 80

Employees

  • Latest Deal Type
  • Series C

  • Latest Deal Amount
  • $15.3M

  • Investors
  • 5

CastBox General Information

Description

Operator of a spoken audio platform designed to deliver contextual recommendations for listeners of podcasts. The company's audio platform can be accessed through a mobile application to download audio/visual content covering both entertainment and education, enabling users with a free download portal for listening to on-demand radio, podcasts, and audiobooks anywhere, anytime.

Contact Information

Website
www.castbox.fm
Ownership Status
Privately Held (backing)
Financing Status
Venture Capital-Backed
Corporate Office
  • 450 Townsend Street
  • San Francisco, CA 94107
  • United States
Primary Industry
Movies, Music and Entertainment
Other Industries
Information Services (B2C)
Entertainment Software
Vertical(s)
AudioTech, SaaS, Mobile
Corporate Office
  • 450 Townsend Street
  • San Francisco, CA 94107
  • United States

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CastBox Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
4. Later Stage VC (Series C) 27-Apr-2021 $15.3M Completed Generating Revenue
3. Early Stage VC (Series B) 25-Apr-2018 Completed Generating Revenue
2. Early Stage VC (Series A) 01-Jun-2017 $13M $16.2M Completed Generating Revenue
1. Seed Round 01-Nov-2016 $3.2M $3.2M Completed Startup
To view CastBox’s complete valuation and funding history, request access »

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CastBox Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
Operator of a spoken audio platform designed to deliver contextual recommendations for listeners of podcasts. The compan
Movies, Music and Entertainment
San Francisco, CA
80 As of 2026

San Antonio, TX
 

New York, NY
 
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CastBox Competitors (3)

One of CastBox’s 3 competitors is Spreaker, a Venture Capital-Backed company based in San Antonio, TX.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
Spreaker Venture Capital-Backed San Antonio, TX
Podbean Corporation New York, NY
Overcast HQ Venture Capital-Backed Dublin, Ireland
You’re viewing 3 of 3 competitors. Get the full list »

CastBox Patents

  • 2

    Total Documents Applications and Grants

  • Total Patents Families

  • 1

    Granted

  • Pending

  • Expiring in next 12 mo

CastBox Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
US-20210044640-A1 Livestreaming interactive content to a digital media platform Inactive 09-Aug-2019
US-D855633-S1 Display screen with graphical user interface for a search engine result page Active 17-Oct-2017

CastBox Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

Similarweb Unique Visitors

Majestic Referring Domains

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CastBox Investors (5)

Investor Name Investor Type Holding Investor Since Participating Rounds
GSR Ventures Venture Capital Minority
Qiming Venture Partners Venture Capital Minority
SIG China Venture Capital Minority
ZhenFund Venture Capital Minority
IDG Capital Venture Capital Minority
To view CastBox’s complete investors history, request access »

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CastBox FAQs

  • When was CastBox founded?

    CastBox was founded in 2016.

  • Where is CastBox headquartered?

    CastBox is headquartered in San Francisco, CA.

  • What is the size of CastBox?

    CastBox has 80 total employees.

  • What industry is CastBox in?

    CastBox’s primary industry is Movies, Music and Entertainment.

  • Is CastBox a private or public company?

    CastBox is a Private company.

  • What is CastBox’s current revenue?

    The current revenue for CastBox is .

  • How much funding has CastBox raised over time?

    CastBox has raised $44.8M.

  • Who are CastBox’s investors?

    GSR Ventures, Qiming Venture Partners, SIG China, ZhenFund, and IDG Capital have invested in CastBox.

  • Who are CastBox’s competitors?

    Spreaker, Podbean, and Overcast HQ are competitors of CastBox.

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