Softwr

Entertainment · head to head

Castbox vs Plex

Castbox logo

Castbox

Entertainment

Podcast & radio app for everyone

From
Free
Rated
-
P

Plex

Entertainment

Cloud ERP for smart manufacturing

From
Free
Rated
-

The short version

  • Each has a real cost: Castbox app frequently crashes, requiring users to reload it to continue listening; Plex plex restricts free remote streaming on certain platforms including Roku, with expansion to Android TV and Apple TV planned
  • They diverge on capability: Castbox covers Podcast app, Plex covers Financial management.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Castbox and Plex actually diverge.

Attributes where Castbox and Plex differ
AttributeCastboxPlex
PlatformsiOS, Android, Web, Radio, AudiobooksRoku, Fire TV, Apple TV, Android TV, Google TV, Xbox, PlayStation, iOS, Android, Web, Windows, macOS, Linux
Founded20162009

Identical on both: starting price (Free), pricing model (Unknown), 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 Castbox

  • Podcast app
  • Radio
  • Discovery
  • Offline listening
  • Sync
  • Smart devices
  • Podcast services
  • Account security

Only in Plex

  • Financial management
  • Manufacturing execution
  • Supply chain
  • Quality management
  • Analytics
  • IoT platforms
  • REST APIs
  • Webhooks

Both cover

  • Web support

What people use each for

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

Castbox

  • Podcast listeningnot Plex
  • Radio streamingnot Plex

Plex

  • Industry 4.0not Castbox
  • Real-time monitoringnot Castbox
  • IoT integrationnot Castbox
  • Smart manufacturingnot Castbox

Where each one falls short

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

Castbox

  • App frequently crashes, requiring users to reload it to continue listening
  • Approximately half of saved podcasts do not automatically refresh or send notifications for new episodes
  • Free version displays unskippable minute-long ads that sometimes play as blank screens
  • Interface is described as cluttered with excessive focus on mainstream podcast recommendations
  • Tracking requirements for certain features like background playback limit privacy

Plex

  • Plex restricts free remote streaming on certain platforms including Roku, with expansion to Android TV and Apple TV planned
  • Remote streaming quality degrades significantly if Plex cannot establish direct connection and falls back to relay mode
  • Upcoming sunsetting of plugins, Cloud Sync, and Watch Later features

Pricing, plan by plan

Castbox

Free
  • FreeFree
    • 50+ million podcasts
    • On-demand radio
    • Audiobooks
  • Premium$undefined/custom
    • Ad-free listening
    • Advanced features
    • Contact for pricing

Plex

Free

No published plan breakdown. See the Plex review.

Which should you pick?

Choose Castbox if

  • You need podcast app.
  • You want to start without paying.
  • You work on iOS, Android, Web, Radio, Audiobooks.
  • You also want radio.

Choose Plex if

  • You need financial management.
  • You want to start without paying.
  • You work on Roku, Fire TV, Apple TV, Android TV, Google TV, Xbox, PlayStation, iOS, Android, Web, Windows, macOS, Linux.
  • You also want manufacturing execution.

Questions people ask

Is Castbox or Plex better?
Neither clearly leads. Castbox starts at Free and Plex at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Castbox or Plex?
Castbox starts at Free and Plex at Free.
Does Castbox or Plex run on more platforms?
Castbox runs on iOS, Android, Web, Radio, Audiobooks. Plex runs on Roku, Fire TV, Apple TV, Android TV, Google TV, Xbox, PlayStation, iOS, Android, Web, Windows, macOS, Linux.
Can I use Castbox for free?
Both have a free tier, so you can try either at no cost before committing.
What is Castbox best used for?
Castbox is most often used for podcast listening, radio streaming. Of those, podcast listening and radio streaming are not what Plex is typically brought in for.
What can Castbox do that Plex cannot?
Castbox covers Podcast app, Radio, Discovery, Offline listening. Plex covers Financial management, Manufacturing execution, Supply chain, Quality management. Both handle Web support.

Answered from the vendors’ own pages

Castbox: Is Castbox free and does it have paid tiers?

Castbox offers a free version with ads and limited features. A premium subscription is available but details on pricing were not disclosed on the main site. Free tier includes access to 50+ million podcasts, radio programs, and audiobooks.

Source
Plex: Is Plex Media Server free?

Yes. Plex Media Server and the ad-supported streaming catalog are free. Plex Pass is an optional subscription at 6.99 USD per month or 69.99 USD per year that adds features like hardware transcoding and offline sync.

Source
Castbox: What languages and regions does Castbox support?

Castbox supports content in 70 languages from 175 countries, making it one of the most internationally accessible podcast platforms.

Source
Plex: Can I access Plex content offline?

Yes, but downloads have limitations. Downloaded content may have an expiration period and is specific to the device where downloaded. Downloads are not available on shared libraries in some cases.

Source
Castbox: Can I search for specific content across all episodes with Castbox?

Yes, Castbox pioneered an in-audio search feature using natural language processing that lets listeners search for keywords and topics across more than 50 million episodes.

Source
Plex: What devices does Plex support?

Plex apps are available on Roku, Fire TV, Apple TV, Android TV, Google TV, Xbox, PlayStation, Samsung Smart TV, LG Smart TV, iOS, Android, and web browsers. Server software runs on Windows, macOS, Linux, NAS devices, and Docker.

Source
Castbox: What tools does Castbox offer for podcasters?

Castbox provides a Creator Studio with robust analytics for creators to measure subscribers, streams, and downloads. However, creators requiring comprehensive editing and production tools may find Castbox limited compared to specialized production software.

Source
Plex: What is included in the free Plex catalog?

Plex's free ad-supported streaming catalog includes 14,000+ movies and shows from Lionsgate, MGM, Warner Bros, and Crackle Originals.

Source
Share

Related pages

Other head to heads