Castos
Castos is a privately held podcast hosting and distribution platform that serves more than 40,000 creators, agencies, churches, universities, and enterprises with flat-rate unlimited hosting, one-click distribution to major podcast directories, YouTube republishing, AI-generated show notes, and built-in monetization tools.
- Company typePrivate
- Founded2015
- HeadquartersTinley Park, United States
- Headcount11–50
- GTM typeB2C
- OfferingSoftware
What Castos does
Castos is a privately held podcast hosting and distribution platform founded by Craig Hewitt, headquartered in the United States and serving a stated base of more than 40,000 podcasters. The core product provides unlimited episode, show, and download capacity on a flat-rate subscription model starting at $19 per month, with one-click distribution to major listening destinations including Apple Podcasts, Spotify, Amazon Music, YouTube, Stitcher, and Google Podcasts. Its modular product surface extends beyond hosting into audience growth (YouTube republishing, transcription in 19 languages, AI-generated show notes, social posts and chapter markers via the Castos AI Assistant), monetization (Castos Commerce with zero transaction fees, Castos Ads dynamic ad insertion, and Castos Campaigns for back-catalog insertions), and content delivery (private and hybrid podcasting, native iOS and Android apps). A proprietary WordPress plugin, Seriously Simple Podcasting, anchors the platform inside the WordPress CMS workflow, the company's primary distribution and ecosystem channel.\n\nThe business operates a product-led go-to-market with a 14-day free trial, instant self-serve account creation, and a free white-glove migration service for users switching from competing hosts. Pricing is tiered across Essential, Growth, and Pro subscription plans, complemented by transaction-based revenue from Castos Commerce and unit-priced professional services from Castos Productions (audio editing tiers with 72-hour to one-week turnaround). Revenue is also supplemented by an affiliate program offering 25% recurring commission on referral subscriptions for the first 12 months and 10% on production services. Customers span serious individual creators, agencies and networks, coaches and consultants, churches, universities, nonprofits, and enterprises using podcasts for internal communications; named reference customers include WellnessMama, Buffer, CoSchedule, James Altucher, and Ladybug Podcast. Castos has raised disclosed funding of $756,000 from Automattic and Emilia Capital in 2021, with earlier backing from TinySeed in 2019, and is founder-led with no disclosed parent company or institutional majority owner.
Castos firmographics
Firmographics- Name
- Castos
- Legal name
- Castos, Inc.
- Website
- https://castos.com
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Castos is a privately held podcast hosting and distribution platform that serves more than 40,000 creators, agencies, churches, universities, and enterprises with flat-rate unlimited hosting, one-click distribution to major podcast directories, YouTube republishing, AI-generated show notes, and built-in monetization tools.
- Ownership category
- akta.pro rank
Castos industry classification
Industry- Product category
- Podcast Hosting Platform
- NAICS
- Software Publishers (513210), Teleproduction and Other Postproduction Services (512191), Sound Recording Industries (5122)
- SIC
- Services-Prepackaged Software (7372), Services-Motion Picture & Video Tape Production (7812)
- akta.pro primary industry
- Podcast Hosting & Enterprise Solutions (Private/Branded Podcasts) (MPACADAF)
- akta.pro secondary industries
- Audio Production & Podcasting (BPAFAIAE), Podcast Production, Editing & Post-Production Services (MPACADAE)
Keywords
Where Castos is headquartered
LocationHeadquarters
- HQ city
- Tinley Park
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Castos business model
Business model- GTM type
- B2C
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations
Revenue model
- Podcast Hosting Subscriptions: Monthly and annual subscription plans for podcast hosting with tiered features. Plans start at $19/month for unlimited storage and episodes with no download caps.
- Affiliate Program: 25% recurring commission on referral subscriptions for first 12 months, 10% on production and launch services
- Castos Productions: Professional podcast editing and production services billed monthly per episode. Includes Pro Audio Editing, Concierge Package, and Complete Solution tiers
- Castos Commerce: Direct listener payments and recurring subscriptions with zero transaction fees
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Essential Plan - Core podcast hosting features |
| Subscription | Monthly | Growth Plan - Expanded features for growing podcasts |
| Subscription | Monthly | Pro Plan - Advanced features and monetization |
| Unit Pricing | Pay-as-you-go | Pro Audio Editing - Basic production service |
| Unit Pricing | Pay-as-you-go | Concierge Package - Premium production service |
| Unit Pricing | Pay-as-you-go | Complete Solution - Full production service |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
Castos product offering
Product offeringCore offering
Castos provides a podcast hosting and distribution platform that enables creators to publish unlimited episodes and shows, distribute to major podcast directories with one click, and access analytics, monetization, transcription, and YouTube republishing tools. The company also offers Castos Productions, a done-for-you podcast editing and production service, and the Seriously Simple Podcasting WordPress plugin for native in-dashboard podcast management.
Product overview
Castos is a unified podcast hosting and growth platform designed for serious creators. The core platform provides unlimited hosting, distribution, and analytics, while modular add-ons extend functionality across content management (Seriously Simple Podcasting WordPress plugin), monetization (Commerce, Ads, Campaigns), content delivery (Hybrid Podcasting, Private Podcasting, Mobile App), audience growth (YouTube Republishing, Transcripts), and automation (AI Assistant). Castos Productions offers professional editing services as an add-on. The platform operates on a flat-rate subscription model starting at $19/month.
Differentiator
Problem solved
Functional benefit
Brands
- Seriously Simple Podcasting: WordPress plugin for podcast management, allowing users to manage podcast content directly from their WordPress dashboard.
- Castos Productions
- Castos Commerce
- Castos Ads
- Castos AI Assistant
Products and services
- Castos Podcast Hosting Platform Self-serve SaaS podcast hosting platform for individual creators and brands to publish, distribute, and grow podcasts with built-in analytics, customizable websites, and monetization tools.
- Seriously Simple Podcasting WordPress Plugin Standalone WordPress plugin that lets WordPress site owners manage their entire podcast — RSS feeds, episodes, and analytics — directly from the WordPress dashboard without a separate hosting workflow.
- Castos Productions Done-for-you podcast editing and production service with audio engineering, show notes, transcription, and publishing support, billed monthly per episode.
- Castos Mobile App Standalone iOS and Android application built for secure delivery of private podcast content to members with login-based authentication.
Companies that use Castos
Customer profileNamed customers5 records
Segments7 records
Ideal customer profiles3 records
Castos technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration11 records
AI capability5 records
Feature10 records
Castos partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered minor.
- ElementorminorMarketing partner offering website building tools that complement Castos podcast websites
- 99designsminorDesign services for podcast branding, cover art, and visual identity
- Design PickleminorOn-demand graphic design service for podcast marketing assets
- CodeableminorWordPress development platform for custom Castos/WordPress integration projects
- WP BuffsminorWordPress maintenance and support services for Castos plugin users
Scale indicators5 records
Recent moves6 records
Expansion highlights6 records
Castos competitors and assessment
Company assessmentBroad incumbents
- Acast: Global podcast hosting and monetization platform with an ad marketplace and self-serve tools for creators. Comparable to Castos on hosting and monetization, with much broader international scale and ad-network demand.
- Simplecast: Spotify-owned podcast hosting and analytics platform serving enterprise and SMB podcasters with distribution, monetization, and embeddable players. Comparable feature footprint to Castos but operating at larger scale under Spotify's umbrella.
Direct peers
- Transistor.fm: Premium podcast hosting platform focused on professional and business podcasters with unlimited shows, private podcasting, distribution, and analytics. Closely aligned with Castos on target customer (serious/business podcasters) and flat-pricing model.
- Buzzsprout: Established independent podcast hosting platform targeting independent and SMB podcasters with subscription plans, distribution, and analytics. Closely comparable to Castos on customer profile, pricing model, and feature scope (unlimited storage, basic monetization).
- RSS.com: Podcast hosting and distribution platform focused on creators and brands, with monetization, analytics, and unlimited hosting — overlapping Castos on subscription hosting, monetization, and analytics.
- Podbean: Podcast hosting platform offering unlimited hosting, distribution, monetization (Podbean Ads), private podcasting, and a mobile app — a near-direct feature comparison to Castos, with similar pricing for SMB podcasters.
- Libsyn: One of the oldest podcast hosting platforms offering unlimited hosting, distribution to major directories, monetization (ads, subscriptions), and analytics. Most directly comparable to Castos in core hosting, distribution, and monetization features across SMB and pro podcaster tiers.
- Blubrry (PowerPress): Podcast hosting and WordPress plugin (PowerPress) provider targeting WordPress-based creators and SMB podcasters. Highly comparable to Castos in the WordPress integration lane in particular.
Emerging players
- Hello Audio: Specialized private podcasting platform for membership sites, courses, and communities. A direct comparator to Castos's private and hybrid podcasting pillar — focused on the same creator-coach/educator and membership use case.
Others
- Squadcast: Cloud-based remote recording platform for podcasts (and video) that is also a Castos integration partner. Adjacent-enabling rather than directly competing, but the remote-recording category increasingly overlaps with end-to-end podcast production workflows Castos Productions targets.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Castos social profiles
Digital presenceCastos financial estimates
Financial estimateRevenue estimate
Valuation estimate
Castos leadership team
Management profileNumber of profiles
Profiles1 record
Castos funding detail
Funding detailFunding overview
Funding rounds2 records
Investors3 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Castos M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Castos
What does Castos do?
Castos provides a podcast hosting and distribution platform that enables creators to publish unlimited episodes and shows, distribute to major podcast directories with one click, and access analytics, monetization, transcription, and YouTube republishing tools. The company also offers Castos Productions, a done-for-you podcast editing and production service, and the Seriously Simple Podcasting WordPress plugin for native in-dashboard podcast management.
Is Castos a public or private company?
Castos is a private company. It is classified as venture growth investor backed and is currently operating.
When was Castos founded?
Castos was founded in 2015. It employs 11 to 50 people.
Where is Castos based?
Castos is headquartered in Tinley Park, United States, in the North America region.
How does Castos make money?
Four revenue lines are on record. Podcast Hosting Subscriptions are the primary driver. The others are affiliate Program, castos Productions and castos Commerce.
Who are Castos's main competitors?
Broad incumbents on record are Acast and Simplecast. Direct peers are Transistor.fm, Buzzsprout, RSS.com, Podbean, Libsyn and Blubrry (PowerPress). Hello Audio is listed as an emerging player. Squadcast is listed as an others.
Does Castos have an API?
Yes. Castos offers a REST API that allows developers to build or automate integrations with the Castos platform. The API documentation is accessible at https://app.castos.com/docs/api/index.html. Developer documentation is at app.castos.com/docs/api/index.html.
What industry is Castos in?
Castos's product category is Podcast Hosting Platform. Its primary akta.pro industry code is MPACADAF, Podcast Hosting & Enterprise Solutions (Private/Branded Podcasts), with a secondary code of BPAFAIAE, Audio Production & Podcasting. Its NAICS code is 513210 and its SIC code is 7372.