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Podcasting · head to head

Auphonic vs Transistor

Auphonic logo

Auphonic

Podcasting

Automated audio mastering and loudness processing

From
Free
Rated
-
Full reviewWebsite
Transistor logo

Transistor

Podcasting

Professional podcast hosting for businesses and creators

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; Transistor starter plan at $19 per month caps monthly downloads at 20,000
  • They diverge on capability: Auphonic covers Automatic loudness optimization, Transistor covers Unlimited podcasts.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Auphonic and Transistor actually diverge.

Attributes where Auphonic and Transistor differ
AttributeAuphonicTransistor
Pricing modelfreemiumsubscription
Founded20102018

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
  • Dropbox

Only in Transistor

  • Unlimited podcasts
  • Private podcasting
  • Advanced analytics
  • Team collaboration
  • Custom branding
  • API access
  • Apple Podcasts
  • Spotify

Both cover

  • 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 Transistor
  • Batch processing an archive of recordingsnot Transistor
  • Generating transcripts and chapters from an episodenot Transistor
  • Producing consistent output across multiple formats from one uploadnot Transistor

Transistor

  • Podcast hosting and distributionnot Auphonic
  • Audio content publishingnot Auphonic
  • Private subscriber managementnot 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

Transistor

  • Starter plan at $19 per month caps monthly downloads at 20,000
  • Private podcast subscribers are capped at 50 on Starter and 500 on Professional
  • Dynamic ad insertion and auto-posting to YouTube require the $49 per month Professional plan or higher
  • Removing Transistor branding requires the $99 per month Business plan
  • Enterprise plans above 250,000 monthly downloads start at $199 per month and require contacting the vendor

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

Transistor

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 Auphonic if

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

Choose Transistor if

  • You need unlimited podcasts.
  • You want to start without paying.
  • You also want private podcasting.
Transistor review

Questions people ask

Is Auphonic or Transistor better?
Neither clearly leads. Auphonic starts at Free and Transistor at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Auphonic or Transistor?
Auphonic starts at Free and Transistor at Free.
Does Auphonic or Transistor 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 Transistor is typically brought in for.
What can Auphonic do that Transistor cannot?
Auphonic covers Automatic loudness optimization, Noise reduction, Audio restoration, Intelligent processing. Transistor covers Unlimited podcasts, Private podcasting, Advanced analytics, Team collaboration. Both handle 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
Transistor: Does Transistor offer a free trial?

Yes, Transistor offers a 14-day free trial.

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
Transistor: Can I save money by paying annually?

Yes, Transistor offers 12 months for the price of 10 when you pay yearly, representing a 17% discount.

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
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