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Entertainment · head to head

Castro vs Roku

Castro logo

Castro

Entertainment

Podcast app with episode inbox

From
Free
Rated
-
Full reviewWebsite
Roku logo

Roku

Entertainment

Streaming made simple

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Castro iOS/Apple-only, no Android support; Roku roku takes a 20 percent cut of all revenue channel publishers receive through Roku Pay (purchases, subscriptions, ads), paying out the remaining 80 percent no later than 60 days after the end of the month the payment was received, with non-US partners restricted to PayPal or wire transfer (ACH/direct deposit is US-only) and bank fees applying to wire and ACH payouts (archived developer documentation, 2 May 2021)
  • They diverge on capability: Castro covers Podcast app, Roku covers Streaming aggregation.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Castro and Roku actually diverge.

Attributes where Castro and Roku differ
AttributeCastroRoku
Pricing modelUnknownfreemium
PlatformsiOS, Apple Watch, iPadRoku-devices, Smart-tv, Ios, Android
Founded20132002

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Entertainment).

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 Castro

  • Podcast app
  • Inbox system
  • Triage view
  • Playback
  • Discovery
  • Podcast services
  • Apple services
  • Account security

Only in Roku

  • Streaming aggregation
  • Free content
  • Voice search
  • Private listening
  • All major streaming apps
  • Smart home
  • PIN protection
  • Parental controls

Both cover

  • Ios support

What people use each for

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

Castro

  • Podcast managementnot Roku
  • Listeningnot Roku

Roku

  • TV streamingnot Castro
  • Content discoverynot Castro
  • Free entertainmentnot Castro

Where each one falls short

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

Castro

  • iOS/Apple-only, no Android support
  • No unified inbox for managing multiple podcast accounts
  • Recent ownership change (2024) may affect long-term development

Roku

  • Roku takes a 20 percent cut of all revenue channel publishers receive through Roku Pay (purchases, subscriptions, ads), paying out the remaining 80 percent no later than 60 days after the end of the month the payment was received, with non-US partners restricted to PayPal or wire transfer (ACH/direct deposit is US-only) and bank fees applying to wire and ACH payouts (archived developer documentation, 2 May 2021)

Pricing, plan by plan

Castro

Free
  • FreeFree
    • Core podcast management
    • Inbox/queue/archive
    • CarPlay support
  • Castro Plus$24.99/year
    • Custom per-podcast settings
    • Trim Silence
    • Enhance Voices

Roku

Free
  • FreeFree
    • The Roku Channel
    • Free content
    • Ad-supported

Which should you pick?

Choose Castro if

  • You need podcast app.
  • You want to start without paying.
  • You work on iOS, Apple Watch, iPad.
  • You also want inbox system.
Castro review

Choose Roku if

  • You need streaming aggregation.
  • You want to start without paying.
  • You work on Roku-devices, Smart-tv, Ios, Android.
  • You also want free content.
Roku review

Questions people ask

Is Castro or Roku better?
Neither clearly leads. Castro starts at Free and Roku at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Castro or Roku?
Castro starts at Free and Roku at Free.
Does Castro or Roku run on more platforms?
Castro runs on iOS, Apple Watch, iPad. Roku runs on Roku-devices, Smart-tv, Ios, Android.
Can I use Castro for free?
Both have a free tier, so you can try either at no cost before committing.
What is Castro best used for?
Castro is most often used for podcast management, listening. Of those, podcast management and listening are not what Roku is typically brought in for.
What can Castro do that Roku cannot?
Castro covers Podcast app, Inbox system, Triage view, Playback. Roku covers Streaming aggregation, Free content, Voice search, Private listening. Both handle Ios support.

Answered from the vendors’ own pages

Castro: How much does Castro cost?

Castro 3 is free to download with optional Castro Plus subscription at $24.99/year (includes one-week free trial).

Source
Castro: What platforms does Castro support?

Castro is available on iPhone with an Apple Watch app and is expanding to iPad (launched August 4, 2025). There is no Android version.

Source
Castro: What are the key features of Castro Plus premium subscription?

Castro Plus adds custom per-podcast settings including Episode Limit, Trim Silence, Enhance Voices, Mono Mix, Skip Intros, and variable playback speed.

Source
Castro: How does Castro organize podcasts?

Castro uses an inbox/queue/archive split system where the inbox contains notifications of new episodes and the queue serves as an active playlist.

Source
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