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Customer.io vs Screaming Frog SEO Spider

Customer.io logo

Customer.io

Marketing

Data-driven messaging for teams getting started, scaling and beyond

From
On request
Rated
-
Full reviewWebsite
Screaming Frog SEO Spider logo

Screaming Frog SEO Spider

SEO & Website Optimization

Crawl websites for SEO issues

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Screaming Frog SEO Spider has a free tier, so it costs nothing to try first.
  • 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; Screaming Frog SEO Spider free version caps crawling at 500 URLs; unlocking unlimited crawling requires a paid licence at 245 EUR per year

Where they differ

Only the attributes on which Customer.io and Screaming Frog SEO Spider actually diverge.

Attributes where Customer.io and Screaming Frog SEO Spider differ
AttributeCustomer.ioScreaming Frog SEO Spider
Starting priceOn requestFree
Pricing modelsubscriptionfreemium
Free tierNoYes
CategoryMarketingSEO & Website Optimization

Identical on both: platforms (Web), user rating (Not yet rated).

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

Screaming Frog SEO Spider

  • Free version caps crawling at 500 URLs; unlocking unlimited crawling requires a paid licence at 245 EUR per year
  • Licence is annual only and must be renewed yearly to keep working

Pricing, plan by plan

Customer.io

On request

No published plan breakdown. See the Customer.io review.

Screaming Frog SEO Spider

Free

No published plan breakdown. See the Screaming Frog SEO Spider review.

Which should you pick?

Choose Customer.io if

Nothing in the data separates Customer.io from Screaming Frog SEO Spider on the points above - pick on price and on how each one feels to use.

Customer.io review

Choose Screaming Frog SEO Spider if

  • You want to start without paying.
Screaming Frog SEO Spider review

Questions people ask

Is Customer.io or Screaming Frog SEO Spider better?
Neither clearly leads. Customer.io starts at On request and Screaming Frog SEO Spider at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Customer.io or Screaming Frog SEO Spider?
Screaming Frog SEO Spider has a free tier; the other does not. Paid plans start at On request for Customer.io and Free for Screaming Frog SEO Spider.
Does Customer.io or Screaming Frog SEO Spider run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Screaming Frog SEO Spider for free?
Yes. Screaming Frog SEO Spider has a free tier, so you can try it without paying. Customer.io starts at On request.
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