About CastBox
CastBox is a Media & Entertainment company based in Chaoyang (China) founded in 2015. Podcast and online radio streaming player. CastBox has raised $27.3 million across 4 funding rounds from investors including Qiming Venture Partners, SIG China and GSR Ventures. Its website castbox.fm draws about 682 thousand monthly visits. CastBox offers products and services including Castbox App. Its focus areas include Radio Tech, Internet Radio & Podcast, Streaming and Podcast. Its legal entity is Guru Network.
Company details
CastBox was founded in 2015 in Chaoyang, China, within the audio streaming sector. Podcasts and online radio content are delivered through the platform, where recording and uploading of user-generated podcasts are enabled. Services encompass offline listening, advanced search functions, free hosting, and personalized recommendations. Mobile applications are supported on Android, iOS via iTunes, and Amazon Echo devices. Revenue is generated via in-app purchases and advertisements.
- Headquarters Chaoyang, China
- SectorsMedia & Entertainment
- Website category Computers Electronics and Technology
- Emailβ’β’β’β’β’β’β’β’
- Website castbox.fm
- Social LinkedIn X Facebook Instagram
- Legal Name Guru Network
- Total Equity Funding$27.3M (USD)
in 4 rounds
- Latest Funding Round$13.5M (USD), Series B
Apr 2018
- InvestorsQiming Venture Partners
& 4 more
Products & Services of CastBox
CastBox offers a comprehensive portfolio of products and services, including Castbox App.
Free application for streaming and downloading audio podcasts
Apps and channels of CastBox
CastBox publishes 2 mobile apps with over 10M+ downloads.
Funding Insights of CastBox
CastBox has successfully raised a total of $27.3M across 4 strategic funding rounds. The most recent funding activity was a Series B round of $13.5 million completed in April 2018. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $27.3M
- Total Rounds 4
- Last Round Series B β $13.5M
- First Round $1M
(Mar 2016)
- Investors Count 5
All 4 funding rounds of CastBox with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Apr 2018 | $13.5M | Series B | β | SIG China | |
| Jun 2017 | $12.8M | Series A | β | Qiming Venture Partners, IDG Capital | |
| Nov 2016 | Seed | β | IDG Capital | β | |
| Mar 2016 | $1M | Angel Round | β | β | β |
5 investors in total: 5 institutional.
Investors in CastBox
CastBox has secured backing from 5 investors, including venture fund and institutional investors. Prominent investors backing the company include Qiming Venture Partners, SIG China and GSR Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Tech companies in China are invested in by SIG China. | sig-china.com | Shanghai, China | ||
Venture capital investments are directed toward multiple sectors. | 2006 | qimingvc.com | Shanghai, China | |
Venture capital firm | idgcapital.com | New York, United States | ||
Tech & Offline focused Seed stage VC Firm investing primarily in Asia and the US | zhenfund.com | Beijing, China | ||
Investments in early-stage technology companies are made by GSR Ventures. | gsrventures.com | Beijing, China |
Investor details for CastBox
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of CastBox
19 people are tracked at CastBox (10 in leadership, 9 in team).
| Name | Role | Group |
|---|---|---|
Tina Kuan | CMO | Leadership |
Xiaocong He | CTO | Leadership |
Renee Wang | Founder & CEO | Leadership |
Qi Zhou | Co-founder & Head of Monetization | Leadership |
Yu Zhang | Head of Business Partnerships | Leadership |
Calvin Jiang | Head of Strategy / Investor Relations | Leadership |
Lili Li | Head of HR | Leadership |
Shawn Young | Director BD | Leadership |
Valentina Kaledina | Director Of Sales And Business Development | Leadership |
Francis Li | General Manager@hk&sz | Leadership |
Jinmiao Ouyang | Senior Software Engineer | Team |
Gene Wuu | Advisor | Team |
Estelle Zhang | BD Manager at Castbox | Team |
Lei Geng | Software Engineer | Team |
岩岩 王 | HR | Team |
Xiang Li | Software Engineer | Team |
Yuanyuan Sun | User Operations Specialist | Team |
Susan Crossley | Digital Marketing Consultant | Team |
S. Reza Ebadi | Dr. Techwise Podcast Host | Team |
Complete people profiles for CastBox
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of CastBox
3 dated milestones of CastBox across 3 years, from founding to its latest funding, stage changes and deals.
- Founded CastBox is founded.
- Funding First funding round of $1.0M.
- Funding Latest funding round, Series B, of $13.5M.
Web traffic of CastBox
The website of CastBox (castbox.fm) receives about 681.5K visits a month and ranks #71,520 among all websites worldwide, #8,449 in Computers Electronics and Technology.
- Monthly visits681.5K
▼ 7.1% vs previous month
- Unique visitors313.2K
per month
- Global rank#71,520
among all websites
- Category rank#8,449
Computers Electronics and Technology · Computers Electronics and Technology
- Bounce rate46%
- Pages per visit2.8
- Average visit1 min 10 sec
- DevicesDesktop 40% Β· Mobile 60%
Websites whose visitors overlap most with CastBox. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| podcastaddict.com | 100% | 486.1K | #93,476 | View details | |
overcast.fm | overcast.fm | 100% | #246,122 | β | |
| privacysavvy.com | 100% | 681.4K | #71,425 | View details | |
film2movie.asia | film2movie.asia | 100% | #151,956 | β | |
greatxcourses.com | greatxcourses.com | 100% | #959,725 | β | |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
All 40 similar websites and full traffic analytics for CastBox
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- 40 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
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Related news about Castbox
Complete news archive for CastBox
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- Full article archive
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- Older coverage
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Frequently Asked Questions about CastBox
CastBox was founded in 2015 and raised its 1st funding round 1 year after it was founded.
CastBox is headquartered in Chaoyang, China. It is registered at Chaoyang, Liaoning, China.
CastBox is a funded company, having raised a total of $27.3M across 4 funding rounds to date. The company's 1st funding round was a Angel Round of $1M, raised on Mar 2016.
CastBox was founded in 2015 in Chaoyang, China, within the audio streaming sector. Podcasts and online radio content are delivered through the platform, where recording and uploading of user-generated podcasts are enabled. Services encompass offline listening, advanced search functions, free hosting, and personalized recommendations. Mobile applications are supported on Android, iOS via iTunes, and Amazon Echo devices. Revenue is generated via in-app purchases and advertisements.
CastBox offers Castbox App.
CastBox has 5 investors. Key investors include Qiming Venture Partners, SIG China, GSR Ventures, IDG Capital, and Zhen Fund.
CastBox operates through Guru Network.
Yes. CastBox publishes Podcast Player - Castbox and 1 more app, with over 10 million downloads.
The website of CastBox receives about 682 thousand visits a month and ranks #71,520 among all websites worldwide.

