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Podcasting · head to head

Castos vs Supermetrics

Castos logo

Castos

Podcasting

Simple podcast hosting for WordPress sites

From
Free
Rated
-
Full reviewWebsite
Supermetrics logo

Supermetrics

Marketing

Bring all your marketing data into one place

From
€49/month
Rated
-
Full reviewWebsite

The short version

  • Only Castos has a free tier, so it costs nothing to try first.
  • Each has a real cost: Castos transcripts are metered by tier, at 10 a month on Essentials and 100 on Pro; Supermetrics every package includes only 1 core destination; sending the same data to a second destination is a paid extra
  • They diverge on capability: Castos covers Unlimited hosting, Supermetrics covers Multi-source data connectors.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Castos and Supermetrics actually diverge.

Attributes where Castos and Supermetrics differ
AttributeCastosSupermetrics
Starting priceFree€49/month
Free tierYesNo
PlatformsWeb, WordpressWeb, Google-sheets, Data-studio, Excel, Api
CategoryPodcastingMarketing
Founded20162010

Identical on both: pricing model (subscription), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Castos

  • Unlimited hosting
  • WordPress integration
  • Distribution
  • Analytics
  • Monetization
  • Email marketing
  • WordPress
  • All podcast platforms

Only in Supermetrics

  • Multi-source data connectors
  • Real-time data sync
  • Custom dimensions
  • Data blending
  • Scheduled reports
  • API access
  • Data transformation
  • Visualization

What people use each for

The jobs each tool is most often brought in to do.

Castos

  • Podcast hosting with unlimited episodes and downloadsnot Supermetrics
  • Private and subscriber-only podcastsnot Supermetrics
  • Automatic transcription of episodesnot Supermetrics
  • Republishing episodes to YouTubenot Supermetrics
  • WordPress-integrated podcast publishingnot Supermetrics

Supermetrics

  • Pulling marketing platform data into Google Sheets, Looker Studio, Excel or Power BInot Castos
  • Loading advertising data into BigQuery or Snowflake for reportingnot Castos
  • Automating recurring client marketing reports at an agencynot Castos

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Castos

  • Transcripts are metered by tier, at 10 a month on Essentials and 100 on Pro
  • Private podcast subscribers are capped, at 100 on Essentials and 500 on Pro
  • Video hosting and the uptime SLA require the Pro tier at $99 a month
  • SSO and a dedicated account manager are Premium only, from $499 a month
  • Team seats are limited by tier, at 5 on Growth and 10 on Pro

Supermetrics

  • Every package includes only 1 core destination; sending the same data to a second destination is a paid extra
  • The Starter plan at 49 EUR per month billed monthly includes 1 user, 3 data sources and 3 accounts per data source
  • Data refreshes are weekly on Starter, daily on Growth and hourly on Pro; on-demand refreshes require Enterprise
  • Refresh scheduling on those tiers is stated for Google Sheets only
  • Snowflake and BigQuery data warehouse destinations require the Enterprise package
  • SAML SSO is Enterprise only; lower tiers get basic single sign-on
  • Data transformations, data residency and region control, multiple teams and Management API access are Enterprise only
  • Enterprise carries no published price and is quote only
  • The 20% saving is only available on yearly billing
  • AI credits are metered per plan at 4,000 monthly on Starter and 12,000 on Growth

Pricing, plan by plan

Castos

Free
  • Essentials$19/month
    • unlimited podcasts/episodes
    • 10 transcripts/month
  • Growth$49/month
    • advanced analytics
    • 25 transcripts/month
  • Pro$99/month
    • video hosting
    • 100 transcripts/month
  • Premium$499/month
    • unlimited transcripts
    • dedicated account management

Supermetrics

€49/month
  • Starter$49/month
    • 1 core destination
    • 3 data sources
    • 1 user
  • Growth$199/month
    • 1 core destination
    • 7 data sources
    • 2 users
  • Pro$499/month
    • 1 core destination
    • 10 data sources
    • 3 users

Which should you pick?

Choose Castos if

  • You need unlimited hosting.
  • You want to start without paying.
  • You work on Web, Wordpress.
  • You also want wordpress integration.
Castos review

Choose Supermetrics if

  • You need multi-source data connectors.
  • You work on Web, Google-sheets, Data-studio, Excel, Api.
  • You also want real-time data sync.
Supermetrics review

Questions people ask

Is Castos or Supermetrics better?
Neither clearly leads. Castos starts at Free and Supermetrics at €49/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Castos or Supermetrics?
Castos has a free tier; the other does not. Paid plans start at Free for Castos and €49/month for Supermetrics.
Does Castos or Supermetrics run on more platforms?
Castos runs on Web, Wordpress. Supermetrics runs on Web, Google-sheets, Data-studio, Excel, Api.
Can I use Castos for free?
Yes. Castos has a free tier, so you can try it without paying. Supermetrics starts at €49/month.
What is Castos best used for?
Castos is most often used for podcast hosting with unlimited episodes and downloads, private and subscriber-only podcasts, automatic transcription of episodes, republishing episodes to youtube. Of those, podcast hosting with unlimited episodes and downloads and private and subscriber-only podcasts are not what Supermetrics is typically brought in for.
What can Castos do that Supermetrics cannot?
Castos covers Unlimited hosting, WordPress integration, Distribution, Analytics. Supermetrics covers Multi-source data connectors, Real-time data sync, Custom dimensions, Data blending.

Answered from the vendors’ own pages

Castos: How much does Castos cost?

Castos plans range from USD 19/month for Essentials to USD 499+/month for Premium, with annual billing offering 2 months free discount.

Source
Supermetrics: How much does Supermetrics cost?

Supermetrics offers three subscription plans: Starter at EUR 49 per month, Growth at EUR 199 per month, and Pro at EUR 499 per month. Annual billing provides a 20% discount. Enterprise plans require a custom quote.

Source
Castos: Is there a free trial for Castos?

Yes, Castos offers a 14-day free trial on the Essentials plan with no credit card required to get started.

Source
Supermetrics: Can I add extra users or data sources to my Supermetrics plan?

Yes, additional features are available for all plans. Additional users cost EUR 29 to EUR 124 per month depending on plan tier, and additional data sources cost EUR 29 to EUR 37 per month. Additional destinations and ad accounts also carry separate monthly fees.

Source
Castos: How many transcripts are included per plan?

Essentials includes 10 transcripts/month, Growth includes 25, Pro includes 100, and Premium includes unlimited transcripts.

Source
Castos: What are Castos add-ons and how much do they cost?

Add-ons include AI Assistant at USD 10/month and extra private subscribers at USD 50/month per 500 additional subscribers.

Source
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