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Castos Review

Worth it

Should I use Castos?

The easiest way to start and grow your podcast - castos.com

· 1 month ago

Buy if you run a serious show, a branded private podcast, or want tight WordPress integration at a mid-range price. Skip if you're a hobbyist wanting free hosting or need a spotless WordPress plugin security record.

Confidence

Medium. Based on 30+ public sources (G2, Reddit, CVE databases, independent reviews, Castos pages); many review snippets were truncated.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support qualityNo direct support evidence found
  • Security posture

Pricing

From $19/mo

Essentials

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
GrowthNot published in sources reviewed

Best for

  • Serious indie podcasters wanting WordPress integration
  • Companies running private or employee podcasts
  • Creators needing automatic transcription
  • Agencies hosting client shows

Not for

  • Hobbyists dabbling — free hosts cover a first show fine
  • Anyone who can't tolerate WordPress plugin CVE exposure
  • Budget buyers needing private podcasts on the cheapest tier
  • Guess: video-first creators with heavy storage demands

Gotchas - check before you buy

high

WordPress users inherit plugin CVEs (auth bypass, XSS, CSRF); patch fast or skip the plugin

medium

Entry tier limits features; private podcasting is partly paywalled — verify tier before buying

medium

One Redditor hit repeated errors with just two podcasts

low

'Free podcast' marketing aside, real hosting starts at $19/mo

Pros and cons

Pros

  • Deep WordPress integration via Seriously Simple Podcasting
  • Private podcasts with branded mobile apps
  • IAB-compliant listener analytics
  • Predictable pricing with zero transaction fees
  • Positive third-party reviews praising simplicity and transcriptions

Cons

  • Multiple 2025 CVEs in its WordPress plugins, including auth bypass
  • Reddit users report errors managing two podcasts
  • Private podcast features gated by tier, not all free
  • Transistor actively markets itself as the switch-away choice

Sources & method

- 12 sources - Multiple 2025 CVEs affect Castos's WordPress plugins (Simple Podcasting, Seriously Simple Podcasting); the hosted platform itself is not implicated in reviewed sources.

official x3review x6security x2news x1
  • CVE-2025-66060: Simple Podcasting Auth Bypass, Authentication bypass vulnerability in Castos's Simple Podcasting WordPress plugin.
  • CVE-2025-49923: Simple Podcasting XSS, Cross-site scripting vulnerability in the Simple Podcasting plugin.
  • CVE-2025-66061: Simple Podcasting CSRF, Cross-site request forgery vulnerability in the Simple Podcasting plugin.
  • CVE-2025-62882: Seriously Simple Podcasting flaw, Vulnerability in the Seriously Simple Podcasting plugin, tracked in NVD.

Key stats

  • Value for money: 4/5

    Rating

  • From $19/mo

    Starting price

  • 12

    Sources

  • Analyzed

  • Value for money: 4/5. Predictable pricing, zero transaction fees, mid-range entry
  • Ease of use: 4/5. Reviewers repeatedly cite simplicity
  • Feature depth: 4/5. Transcription, private podcasts, WordPress plugin, IAB analytics, mobile app
  • Support quality. No direct support evidence found
  • Security posture: 2/5. Multiple 2025 CVEs in WordPress plugins
  • $19/mo Starting price Lowest listed plan (2026 comparison)
  • 48 G2 reviews Across Castos product listings
  • Pre-seed, 2021 Funding Backed by Automattic; 3 investors

Pricing

Essentials

From $19/mo

  • Entry hosting tier
  • Lowest listed plan

Growth

Not published in sources reviewed

  • Higher limits per Castos FAQ
  • Check plans FAQ for current details

Security

Multiple 2025 CVEs affect Castos's WordPress plugins (Simple Podcasting, Seriously Simple Podcasting); the hosted platform itself is not implicated in reviewed sources.

  • CVE-2025-66060: Simple Podcasting Auth BypassAuthentication bypass vulnerability in Castos's Simple Podcasting WordPress plugin.⁸
  • CVE-2025-49923: Simple Podcasting XSSCross-site scripting vulnerability in the Simple Podcasting plugin.
  • CVE-2025-66061: Simple Podcasting CSRFCross-site request forgery vulnerability in the Simple Podcasting plugin.
  • CVE-2025-62882: Seriously Simple Podcasting flawVulnerability in the Seriously Simple Podcasting plugin, tracked in NVD.

What users say

Reviewers on G2 and independent blogs praise simplicity and transcription, while some Reddit users report occasional errors and compare it against Acast and Transistor.

“I'm about 10 episodes in”
Reddit, r/podcasting (Acast vs Castos thread)

Alternatives

Compare Castos with each alternative.

  • Transistor

    Competitor claims most switchers; strong for multi-show brands

    Castos vs Transistor

  • Buzzsprout

    Popular simple host, frequent G2 comparison

  • Acast

    Reddit alternative for monetization-focused shows

Companies that use it

  • 10xTravel
  • Churnkey
  • G2
Full analysis

Based on 30+ public sources (G2, Reddit, CVE databases, independent reviews, Castos pages); many review snippets were truncated.

Solid $19/mo podcast host praised for WordPress ties and private shows; plugin CVEs and tier gating are the catches.

Methodology

Based on 30+ public sources (G2, Reddit, CVE databases, independent reviews, Castos pages); many review snippets were truncated.

Read how a report is made.

Sources

  1. Castos Products | Read 48 Reviews on G2g2.com
    review
  2. Castos Review: Premium Content, Transcriptions & Simplicitythepodcasthost.com
    review
  3. Acast vs Castos — Reddit r/podcastingreddit.com
    review
  4. Castos Errors with 2 podcasts — Reddit r/podcastingreddit.com
    review
  5. Castos Private Podcasts review — what's free, and what isn'ttryslicemedia.com
    review
  6. Podcast Hosting Comparison: 7 Platforms Ranked (2026)castos.com
    official
  7. Castos Plans and Pricing FAQsupport.castos.com
    official
  8. CVE-2025-66060: Castos Simple Podcasting Auth Bypasssentinelone.com
    security
  9. Seriously Simple Podcasting — Wordfence Vulnerability Databasewordfence.com
    security
  10. Private podcasting warms up with venture funding of Castosrainnews.com
    news
  11. Castos Review: The Best Podcast Hosting for WordPress?createandcode.com
    review
  12. Castos Mobile App — Your Podcast. Your App.castos.com
    official

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