Softwr

Podcasting · head to head

Auphonic vs Castmagic

Auphonic logo

Auphonic

Podcasting

Automated audio mastering and loudness processing

From
Free
Rated
-
Full reviewWebsite
Castmagic logo

Castmagic

Podcasting

AI-powered podcast content generation

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Auphonic the free tier covers 2 hours of processed audio a month; Castmagic free plan limited to 3 files per month
  • They diverge on capability: Auphonic covers Automatic loudness optimization, Castmagic covers AI transcription.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Auphonic and Castmagic actually diverge.

Attributes where Auphonic and Castmagic differ
AttributeAuphonicCastmagic
Pricing modelfreemiumUnknown
Founded20102022

Identical on both: starting price (Free), free tier (Yes), platforms (Web), 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 Auphonic

  • Automatic loudness optimization
  • Noise reduction
  • Audio restoration
  • Intelligent processing
  • API integration
  • Auto-upload
  • Podcast hosts
  • FTP

Only in Castmagic

  • AI transcription
  • Show notes generation
  • Social media content
  • Blog article creation
  • Quote extraction
  • RSS feeds
  • Notion
  • Secure file handling

Both cover

  • Dropbox
  • Google Drive
  • Web support

What people use each for

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

Auphonic

  • Automatic loudness levelling and noise reduction on podcast audionot Castmagic
  • Batch processing an archive of recordingsnot Castmagic
  • Generating transcripts and chapters from an episodenot Castmagic
  • Producing consistent output across multiple formats from one uploadnot Castmagic

Castmagic

  • Content generationnot Auphonic
  • Show notes creationnot Auphonic
  • Social media marketingnot Auphonic

Where each one falls short

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

Auphonic

  • The free tier covers 2 hours of processed audio a month
  • Billing is by audio duration with a 3 minute minimum per production, so many short clips cost more than the running time suggests
  • Multilingual speech recognition, automatic chapters and show notes all require a paid plan
  • Watch folders, batch productions and team accounts are paid features
  • Free output carries an Auphonic jingle

Castmagic

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

Pricing, plan by plan

Auphonic

Free
  • FreeFree
    • 2 hours/month processing
    • Basic mastering
    • Download files
  • Personal$10/month
    • 50 hours/month
    • Advanced mastering
    • API access

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

Which should you pick?

Choose Auphonic if

  • You need automatic loudness optimization.
  • You want to start without paying.
  • You also want noise reduction.
Auphonic review

Choose Castmagic if

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

Questions people ask

Is Auphonic or Castmagic better?
Neither clearly leads. Auphonic starts at Free and Castmagic at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Auphonic or Castmagic?
Auphonic starts at Free and Castmagic at Free.
Does Auphonic or Castmagic run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Auphonic for free?
Both have a free tier, so you can try either at no cost before committing.
What is Auphonic best used for?
Auphonic is most often used for automatic loudness levelling and noise reduction on podcast audio, batch processing an archive of recordings, generating transcripts and chapters from an episode, producing consistent output across multiple formats from one upload. Of those, automatic loudness levelling and noise reduction on podcast audio and batch processing an archive of recordings are not what Castmagic is typically brought in for.
What can Auphonic do that Castmagic cannot?
Auphonic covers Automatic loudness optimization, Noise reduction, Audio restoration, Intelligent processing. Castmagic covers AI transcription, Show notes generation, Social media content, Blog article creation. Both handle Dropbox, Google Drive, Web support.

Answered from the vendors’ own pages

Auphonic: Is Auphonic free or does it require payment?

Auphonic offers a free plan with 2 hours of audio processing per month. Premium plans require monthly subscription credits for additional processing hours, or one-time credit purchases that never expire.

Source
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
Auphonic: What does Auphonic's free plan include and what are its limits?

The free plan includes 2 hours of audio processing per month, all basic audio algorithms (leveler, noise reduction, filtering), automatic shownotes, and filler/silence cutting. The Auphonic jingle is included in free productions.

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
Auphonic: How does Auphonic charge for audio processing beyond the free tier?

Auphonic offers monthly subscription tiers (S through XXL) based on hours needed and one-time credit purchases (5-3000+ hours). Billing is based on audio file duration; minimum 3 minutes per production. Custom subscriptions available for over 1000 hours/month.

Source
Castmagic: What languages does Castmagic support?

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

Source
Share

Related pages

More on Auphonic

More on Castmagic

Keep looking

Other head to heads