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Podcasting · head to head

Castmagic vs Transistor.fm

Castmagic logo

Castmagic

Podcasting

AI-powered podcast content generation

From
Free
Rated
-
Full reviewWebsite
Transistor.fm logo

Transistor.fm

Podcasting

The podcast host built for professional broadcasters

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Castmagic free plan limited to 3 files per month; Transistor.fm add-on pricing for transcription services is listed but actual prices omitted from display
  • They diverge on capability: Castmagic covers AI transcription, Transistor.fm covers Unlimited episodes.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Castmagic and Transistor.fm actually diverge.

Attributes where Castmagic and Transistor.fm differ
AttributeCastmagicTransistor.fm
Pricing modelUnknownsubscription
PlatformsWebWeb, Mobile
Founded20222016

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

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 Castmagic

  • AI transcription
  • Show notes generation
  • Social media content
  • Blog article creation
  • Quote extraction
  • RSS feeds
  • Google Drive
  • Dropbox

Only in Transistor.fm

  • Unlimited episodes
  • Automatic transcription
  • Advanced analytics
  • Custom player
  • Email newsletters
  • White-label options
  • Apple Podcasts
  • Spotify

Both cover

  • Web support

What people use each for

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

Castmagic

  • Content generationnot Transistor.fm
  • Show notes creationnot Transistor.fm
  • Social media marketingnot Transistor.fm

Transistor.fm

  • Podcast hosting and distributionnot Castmagic
  • Video podcast publishingnot Castmagic
  • AI transcriptionnot Castmagic
  • Dynamic ad insertionnot Castmagic
  • Private podcast networksnot Castmagic

Where each one falls short

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

Castmagic

  • Free plan limited to 3 files per month
  • Pricing based on audio hours consumed
  • Not a full podcast hosting solution

Transistor.fm

  • Add-on pricing for transcription services is listed but actual prices omitted from display
  • Enterprise pricing lacks specificity and requires direct contact
  • Private subscriber limits appear restrictive for scaling large networks
  • No transparent usage overage costs shown

Pricing, plan by plan

Castmagic

Free
  • FreeFree
    • 3 files per month
    • AI transcription
    • Basic content generation
  • Starter$39/month
    • 40 hours audio per month
    • All generation formats
    • 60+ language support
  • Pro$99/month
    • 100 hours audio per month
    • Priority support
  • Business$295/month
    • Unlimited content generation
    • API access
    • Team collaboration

Transistor.fm

Free
  • Starter$19/month
    • 20K monthly downloads
    • 50 private subscribers
    • Unlimited podcasts
  • Professional$49/month
    • 100K monthly downloads
    • 500 private subscribers
    • Dynamic ads
  • Business$99/month
    • 250K monthly downloads
    • 3K private subscribers
    • Branded removal
  • Enterprise$199/month
    • Custom limits exceeding 250K downloads or 3K private subscribers

Which should you pick?

Choose Castmagic if

  • You need ai transcription.
  • You want to start without paying.
  • You also want show notes generation.
Castmagic review

Choose Transistor.fm if

  • You need unlimited episodes.
  • You want to start without paying.
  • You work on Web, Mobile.
  • You also want automatic transcription.
Transistor.fm review

Questions people ask

Is Castmagic or Transistor.fm better?
Neither clearly leads. Castmagic starts at Free and Transistor.fm at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Castmagic or Transistor.fm?
Castmagic starts at Free and Transistor.fm at Free.
Does Castmagic or Transistor.fm run on more platforms?
Castmagic runs on Web. Transistor.fm runs on Web, Mobile.
Can I use Castmagic for free?
Both have a free tier, so you can try either at no cost before committing.
What is Castmagic best used for?
Castmagic is most often used for content generation, show notes creation, social media marketing. Of those, content generation and show notes creation are not what Transistor.fm is typically brought in for.
What can Castmagic do that Transistor.fm cannot?
Castmagic covers AI transcription, Show notes generation, Social media content, Blog article creation. Transistor.fm covers Unlimited episodes, Automatic transcription, Advanced analytics, Custom player. Both handle Web support.

Answered from the vendors’ own pages

Castmagic: What does Castmagic do?

Castmagic is an AI-powered content operating system that transforms audio and video files into show notes, blog articles, social media posts, newsletters, and other content formats automatically.

Source
Transistor.fm: Does Transistor.fm offer a free trial?

Yes, Transistor offers a 14-day free trial with no credit card required.

Source
Castmagic: How much does Castmagic cost?

Castmagic offers a free plan (3 files/month), Starter at $39/month (40 hours audio/month), Pro at $99/month (100 hours audio/month), and Business at $295/month with API and team features.

Source
Transistor.fm: What's the least expensive plan?

The Starter plan costs $19 per month USD and includes 20K monthly downloads, 50 private subscribers, unlimited podcasts, and unlimited collaborators.

Source
Castmagic: What languages does Castmagic support?

Castmagic handles multilingual transcription in 60+ languages with timestamps and speaker detection on all plans.

Source
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