Marketing · head to head
Customer.io vs Transistor.fm

Customer.io
Marketing
Data-driven messaging for teams getting started, scaling and beyond
- From
- On request
- Rated
- -

Transistor.fm
Podcast & Audio Publishing
The podcast host built for professional broadcasters
- From
- On request
- Rated
- -
The short version
- Each has a real cost: 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; Transistor.fm monthly download caps vary by tier
Where they differ
Only the attributes on which Customer.io and Transistor.fm actually diverge.
| Attribute | Customer.io | Transistor.fm |
|---|---|---|
| Platforms | Web | Web, Mobile |
| Category | Marketing | Podcast & Audio Publishing |
| Founded | Unknown | 2016 |
Identical on both: starting price (On request), pricing model (subscription), free tier (No), 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 Customer.io
Nothing recorded that Transistor.fm does not also cover.
Only in Transistor.fm
- Unlimited episodes
- Automatic transcription
- Advanced analytics
- Custom player
- Email newsletters
- White-label options
- Apple Podcasts
- Spotify
What people use each for
The jobs each tool is most often brought in to do.
Customer.io
No use cases recorded yet. See the Customer.io review.
Transistor.fm
- Podcast hosting and distributionnot Customer.io
- Video podcast publishingnot Customer.io
- AI transcriptionnot Customer.io
- Dynamic ad insertionnot Customer.io
- Private podcast networksnot Customer.io
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
Transistor.fm
- Monthly download caps vary by tier
- Private subscriber limits increase with higher-tier plans
- Enterprise plan required for 250K+ downloads monthly
Pricing, plan by plan
Customer.io
On requestNo published plan breakdown. See the Customer.io review.
Transistor.fm
On requestNo published plan breakdown. See the Transistor.fm review.
Which should you pick?
Choose Customer.io if
Nothing in the data separates Customer.io from Transistor.fm on the points above - pick on price and on how each one feels to use.
Choose Transistor.fm if
- You need unlimited episodes.
- You work on Web, Mobile.
- You also want automatic transcription.
Questions people ask
- Is Customer.io or Transistor.fm better?
- Neither clearly leads. Customer.io starts at On request and Transistor.fm at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Customer.io or Transistor.fm?
- Customer.io starts at On request and Transistor.fm at On request.
- Does Customer.io or Transistor.fm run on more platforms?
- Customer.io runs on Web. Transistor.fm runs on Web, Mobile.
- What can Customer.io do that Transistor.fm cannot?
- Transistor.fm covers Unlimited episodes, Automatic transcription, Advanced analytics, Custom player.
Related pages
More on Customer.io
More on Transistor.fm
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