Softwr

Marketing · head to head

Moz vs Screaming Frog SEO Spider

Moz logo

Moz

Marketing

SEO platform built around Domain Authority, local listings management and a weekly campaign workflow

From
Free
Rated
-
Full reviewWebsite
Screaming Frog SEO Spider logo

Screaming Frog SEO Spider

SEO

Desktop crawler for technical SEO audits and site analysis

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Moz moz refreshes its link index less often and discovers fewer links than Ahrefs, so a new backlink frequently appears in Ahrefs days before it shows up in Link Explorer, which matters if link acquisition reporting is your job.; Screaming Frog SEO Spider free version limited to 500 URL crawl limit for meaningful analysis
  • They diverge on capability: Moz covers Keyword Explorer, Screaming Frog SEO Spider covers Crawl up to 500 URLs (free) or unlimited (paid).
  • Prices and features above were last checked on 1 September 2026.

Where they differ

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

Attributes where Moz and Screaming Frog SEO Spider differ
AttributeMozScreaming Frog SEO Spider
Pricing modelPer month by usage limitssubscription
PlatformsWebWindows, macOS, Linux
CategoryMarketingSEO
Founded2004Unknown

Identical on both: starting price (Free), free tier (Yes), 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 Moz

  • Keyword Explorer
  • Link Explorer
  • Site Crawl
  • Rank Tracking
  • Page Optimization
  • Competitive research
  • Local SEO tools
  • Fresh Web Explorer

Only in Screaming Frog SEO Spider

  • Crawl up to 500 URLs (free) or unlimited (paid)
  • 300+ SEO issue checks
  • JavaScript rendering with Chromium
  • XML sitemap generation
  • Custom data extraction
  • Google integrations
  • Scheduled crawls and comparisons
  • Multi-language support

What people use each for

The jobs each tool is most often brought in to do.

Moz

  • SEO auditsnot Screaming Frog SEO Spider
  • Keyword researchnot Screaming Frog SEO Spider
  • Link buildingnot Screaming Frog SEO Spider
  • Local SEOnot Screaming Frog SEO Spider
  • Competitive analysisnot Screaming Frog SEO Spider

Screaming Frog SEO Spider

  • Identify broken links and server errors on large sitesnot Moz
  • Audit redirect chains during site migrationsnot Moz
  • Analyze and fix duplicate content issuesnot Moz
  • Extract and validate structured data on pagesnot Moz
  • Monitor site health with scheduled crawlsnot Moz

Where each one falls short

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

Moz

  • Moz refreshes its link index less often and discovers fewer links than Ahrefs, so a new backlink frequently appears in Ahrefs days before it shows up in Link Explorer, which matters if link acquisition reporting is your job.
  • Rank tracking is weekly on every tier, so a site watching a volatile SERP or validating a same-week change cannot see daily movement without buying a separate rank tracker.
  • The Standard plan allows only 150 keyword queries a month, which a single afternoon of research exhausts, and the jump to a workable 5,000 queries means paying 179 USD a month rather than 99.
  • Almost every limit is separately metered and separately billable: extra seats are 49 USD each, campaigns 10 USD, tracked keywords 20 USD per 200, crawl capacity 15 USD per 50,000 pages, so the real bill drifts well above the plan price.
  • Domain Authority is a Moz score, not a Google ranking factor, and teams that optimise for it directly are optimising for a proxy that its own vendor sells.
  • Moz Local is a separate subscription per location, so a business with twenty sites is buying a second product at twenty times the per-location price on top of Moz Pro.

Screaming Frog SEO Spider

  • Free version limited to 500 URL crawl limit for meaningful analysis
  • Desktop application required, not available as web-based tool
  • Unlimited crawls depend on system memory and storage capacity
  • Annual licensing model with no monthly option
  • Learning curve for advanced features like custom extraction

Pricing, plan by plan

Moz

Free
  • Free toolsFree
    • Domain Analysis and Domain Authority lookups
    • Limited Keyword Explorer and Link Explorer queries
    • Competitive Research and Brand Authority checks
  • Starter$49/month
    • Entry plan for an individual managing a single website
    • Sits below Standard on the published pricing page
    • Upgrade path into the campaign-based tiers
  • Standard$99/month
    • 79 USD per month billed annually, 950 USD for the first year
    • 1 user seat
    • 3 campaigns and 300 tracked keyword rankings
  • Medium$179/month
    • 143 USD per month billed annually, 1,719 USD for the first year
    • 2 user seats
    • 10 campaigns and 1,500 tracked keyword rankings

Screaming Frog SEO Spider

Free
  • FreeFree
    • 500 URL crawl limit
    • Core features included
    • Link checking and metadata analysis
  • Paid License$199/year
    • Unlimited URL crawls (limited by system memory/storage)
    • All free version features
    • Advanced features unlocked

Which should you pick?

Choose Moz if

  • You need keyword explorer.
  • You want to start without paying.
  • You also want link explorer.
Moz review

Choose Screaming Frog SEO Spider if

  • You need crawl up to 500 urls (free) or unlimited (paid).
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want 300+ seo issue checks.
Screaming Frog SEO Spider review

Questions people ask

Is Moz or Screaming Frog SEO Spider better?
Neither clearly leads. Moz starts at Free 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, Moz or Screaming Frog SEO Spider?
Moz starts at Free and Screaming Frog SEO Spider at Free.
Does Moz or Screaming Frog SEO Spider run on more platforms?
Moz runs on Web. Screaming Frog SEO Spider runs on Windows, macOS, Linux.
Can I use Moz for free?
Both have a free tier, so you can try either at no cost before committing.
What is Moz best used for?
Moz is most often used for seo audits, keyword research, link building, local seo. Of those, seo audits and keyword research are not what Screaming Frog SEO Spider is typically brought in for.
What can Moz do that Screaming Frog SEO Spider cannot?
Moz covers Keyword Explorer, Link Explorer, Site Crawl, Rank Tracking. Screaming Frog SEO Spider covers Crawl up to 500 URLs (free) or unlimited (paid), 300+ SEO issue checks, JavaScript rendering with Chromium, XML sitemap generation.

Answered from the vendors’ own pages

Moz: How much does Moz Pro cost?

Starter is 49 USD a month for a single site. Standard is 99 USD a month or 79 USD billed annually, Medium 179 or 143, and Large 299 or 239. Moz lists first-year annual totals of 950, 1,719 and 2,868 USD respectively.

Screaming Frog SEO Spider: What is the difference between free and paid Screaming Frog licenses?

The free version crawls up to 500 URLs with core features. The paid license (GBP 199/year) includes unlimited URL crawls limited only by system memory and storage, plus advanced features.

Source
Moz: Is Moz or Ahrefs better?

Ahrefs is the stronger choice for backlink depth, index freshness and competitive research, and its Lite plan is 129 USD against Moz Standard at 99. Moz is the better buy if you need Domain Authority as a reportable metric, if local listings management matters, or if 49 USD a month for a single site is the budget.

Screaming Frog SEO Spider: Can Screaming Frog crawl JavaScript-rendered content?

Yes. Screaming Frog renders JavaScript through headless Chromium, enabling crawls of React, Angular, Vue.js, and other JavaScript frameworks.

Source
Moz: What do the Moz free tools give you?

Free Domain Analysis with Domain Authority, limited Keyword Explorer and Link Explorer queries, Competitive Research, a Brand Authority check and MozCast volatility tracking. Campaigns, site crawls and rank tracking all require a paid plan.

Screaming Frog SEO Spider: What platforms does Screaming Frog support?

Screaming Frog SEO Spider is available for Windows, macOS (Apple Silicon and Intel), and Linux (Ubuntu and Fedora).

Source
Moz: Is Domain Authority a Google ranking factor?

No. It is a Moz model that predicts ranking strength on a 1 to 100 scale. Google does not use it. It is useful as a comparative shorthand, not as a target.

Moz: How often does Moz update rankings?

Weekly on every Moz Pro tier. Competitors such as SE Ranking update daily as standard.

Share

Related pages

More on Moz

More on Screaming Frog SEO Spider

Keep looking

Other head to heads