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Software · head to head

Screaming Frog SEO Spider vs Subframe

Screaming Frog SEO Spider logo

Screaming Frog SEO Spider

Software

Crawl websites for SEO issues

From
Free
Rated
-
Full reviewWebsite
S

Subframe

Software

The AI-native design tool built for code

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Screaming Frog SEO Spider free version caps crawling at 500 URLs; unlocking unlimited crawling requires a paid licence at 245 EUR per year; Subframe the free plan is capped at 1 project, 10 pages, and 2 prototypes with limited AI usage and only 24 hour version history, versus unlimited AI on the $29 per editor per month Pro plan, as of August 2026.

Where they differ

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

Attributes where Screaming Frog SEO Spider and Subframe differ
AttributeScreaming Frog SEO SpiderSubframe

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

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

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

Subframe

  • The free plan is capped at 1 project, 10 pages, and 2 prototypes with limited AI usage and only 24 hour version history, versus unlimited AI on the $29 per editor per month Pro plan, as of August 2026.

Pricing, plan by plan

Screaming Frog SEO Spider

Free

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

Subframe

Free

No published plan breakdown. See the Subframe review.

Which should you pick?

Choose Screaming Frog SEO Spider if

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

Choose Subframe if

  • You want to start without paying.
Subframe review

Questions people ask

Is Screaming Frog SEO Spider or Subframe better?
Neither clearly leads. Screaming Frog SEO Spider starts at Free and Subframe at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Screaming Frog SEO Spider or Subframe?
Screaming Frog SEO Spider starts at Free and Subframe at Free.
Does Screaming Frog SEO Spider or Subframe 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?
Both have a free tier, so you can try either at no cost before committing.
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