Podcast & Audio Publishing · head to head
Auphonic vs Customer.io

Auphonic
Podcast & Audio Publishing
Automated audio mastering and loudness processing
- From
- Free
- Rated
- -

Customer.io
Marketing
Data-driven messaging for teams getting started, scaling and beyond
- From
- On request
- Rated
- -
The short version
- Only Auphonic has a free tier, so it costs nothing to try first.
- Each has a real cost: Auphonic the free tier covers 2 hours of processed audio a month; Customer.io essentials plan caps at 5,000 profiles (people and objects) and 1,000,000 monthly emails, with overages billed at $0.12 per 1,000 emails beyond that
Where they differ
Only the attributes on which Auphonic and Customer.io actually diverge.
| Attribute | Auphonic | Customer.io |
|---|---|---|
| Starting price | Free | On request |
| Pricing model | freemium | subscription |
| Free tier | Yes | No |
| Category | Podcast & Audio Publishing | Marketing |
| Founded | 2010 | Unknown |
Identical on both: 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 Customer.io
Nothing recorded that Auphonic does not also cover.
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 Customer.io
- Batch processing an archive of recordingsnot Customer.io
- Generating transcripts and chapters from an episodenot Customer.io
- Producing consistent output across multiple formats from one uploadnot Customer.io
Customer.io
No use cases recorded yet. See the Customer.io review.
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
Customer.io
- Essentials plan caps at 5,000 profiles (people and objects) and 1,000,000 monthly emails, with overages billed at $0.12 per 1,000 emails beyond that
- Standard and Premium tiers show custom pricing only, and Enterprise is negotiated rate, so three of the four published tiers require a sales conversation
- Monthly plans accept credit card only; annual billing via invoice (ACH/wire) requires the annual commitment
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
Customer.io
On requestNo published plan breakdown. See the Customer.io review.
Which should you pick?
Choose Auphonic if
- You need automatic loudness optimization.
- You want to start without paying.
- You also want noise reduction.
Choose Customer.io if
Nothing in the data separates Customer.io from Auphonic on the points above - pick on price and on how each one feels to use.
Questions people ask
- Is Auphonic or Customer.io better?
- Neither clearly leads. Auphonic starts at Free and Customer.io at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Auphonic or Customer.io?
- Auphonic has a free tier; the other does not. Paid plans start at Free for Auphonic and On request for Customer.io.
- Does Auphonic or Customer.io run on more platforms?
- Both run on Web, so platform support will not decide this one for you.
- Can I use Auphonic for free?
- Yes. Auphonic has a free tier, so you can try it without paying. Customer.io starts at On request.
- 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 Customer.io is typically brought in for.
- What can Auphonic do that Customer.io cannot?
- Auphonic covers Automatic loudness optimization, Noise reduction, Audio restoration, Intelligent processing.
Related pages
More on Customer.io
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