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Podcast & Audio Publishing · head to head

Auphonic vs Synthesia

Auphonic logo

Auphonic

Podcast & Audio Publishing

Automated audio mastering and loudness processing

From
Free
Rated
-
Full reviewWebsite
Synthesia logo

Synthesia

Video & Audio Production

AI video creation with digital presenters

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; Synthesia free plan limited to 10 minutes of video per month
  • They diverge on capability: Auphonic covers Automatic loudness optimization, Synthesia covers AI avatars.

Where they differ

Only the attributes on which Auphonic and Synthesia actually diverge.

Attributes where Auphonic and Synthesia differ
AttributeAuphonicSynthesia
Pricing modelfreemiumsubscription
CategoryPodcast & Audio PublishingVideo & Audio Production
Founded20102017

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

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 Synthesia

  • AI avatars
  • 140+ languages
  • Video templates
  • Brand customization
  • API access
  • LMS integrations
  • PowerPoint
  • Api support

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

Synthesia

  • Training video creation with AI avatarsnot Auphonic
  • Multilingual video localisation with AI dubbingnot Auphonic
  • Enterprise video production and 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

Synthesia

  • Free plan limited to 10 minutes of video per month
  • Starter plan limited to 10 minutes of video per month
  • Creator plan capped at 30 minutes of video per month
  • SSO/SAML authentication restricted to Enterprise tier

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

Synthesia

Free

No published plan breakdown. See the Synthesia review.

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 Synthesia if

  • You need ai avatars.
  • You want to start without paying.
  • You also want 140+ languages.
Synthesia review

Questions people ask

Is Auphonic or Synthesia better?
Neither clearly leads. Auphonic starts at Free and Synthesia at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Auphonic or Synthesia?
Auphonic starts at Free and Synthesia at Free.
Does Auphonic or Synthesia 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 Synthesia is typically brought in for.
What can Auphonic do that Synthesia cannot?
Auphonic covers Automatic loudness optimization, Noise reduction, Audio restoration, Intelligent processing. Synthesia covers AI avatars, 140+ languages, Video templates, Brand customization. Both handle Web support.
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