Alternatives · SEO APIs
SEO Score API alternatives
As of Oct 24, 2026, the best SEO Score API alternative for most people is DataForSEO (2.8 GPA), first in our ranking of SERP and SEO data APIs.
SEO Score API compared with 5 alternatives: DataForSEO, Lighthouse, SEO Site Checkup, Screaming Frog SEO Spider and SEOptimer.
SEO Score API has a free plan. Paid plans start at $5 per month for 200 audits, billed monthly. 3 of the 5 alternatives are free or have a free plan. 2 more offer a free trial.
Listings checked up to Oct 23, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| SEO Score APIThis tool | Free plan · from $5/mo | Yes | Web |
| DataForSEO | Free trial · from $50 | Trial only | Web |
| Lighthouse | Free | Free | Web, Browser extension |
| SEO Site Checkup | Free trial · from $29/mo | Trial only | Web |
| Screaming Frog SEO Spider | Free plan · from $279/yr | Yes | macOS, Windows, Linux |
| SEOptimer | Free plan · from $21.75/mo | Yes | Web, Browser extension |
How each one differs from SEO Score API
DataForSEO
Pay-as-you-go APIs for SERP, keyword, backlink and AI mention data
- DataForSEO starts at $50 minimum top-up, used as you go.
- DataForSEO has no free plan, only a free trial, unlike SEO Score API.
- DataForSEO also covers keyword research, backlink analysis and sERP API.
Suits: Developers building their own rank trackers, keyword tools or backlink checkers
Lighthouse
Google's open-source audit of page speed, accessibility and SEO
- Lighthouse is free.
- Lighthouse also lists a browser extension.
- Lighthouse is open source, according to its own site.
- Lighthouse also covers page speed.
- Lighthouse does not cover AI search visibility, which SEO Score API does.
Suits: Web developers fixing speed and accessibility problems on a page
SEO Site Checkup
SEO audits, rank tracking and AI brand visibility for small sites
- SEO Site Checkup starts at $29 per month for 3 sites, billed yearly ($39 billed monthly).
- SEO Site Checkup has no free plan, only a free trial, unlike SEO Score API.
- SEO Site Checkup also covers reports, keyword research, rank tracking, backlink analysis and page speed.
Suits: Freelancers and small businesses that want plain-English SEO audits
Screaming Frog SEO Spider
Desktop website crawler for technical SEO audits
- Screaming Frog SEO Spider starts at $279 per user / year.
- Screaming Frog SEO Spider also lists Windows, macOS and Linux apps.
- Screaming Frog SEO Spider lists no web app, which SEO Score API has.
- Screaming Frog SEO Spider also covers reports.
- Screaming Frog SEO Spider does not cover AI search visibility, which SEO Score API does.
Suits: Technical SEOs auditing large sites from their own computer
SEOptimer
SEO audit tool with white-label reports and a lead-generation widget
- SEOptimer starts at $21.75 per month, billed annually ($29 billed monthly).
- SEOptimer also lists a browser extension.
- SEOptimer also covers reports, keyword research, rank tracking and backlink analysis.
- SEOptimer does not cover AI search visibility, which SEO Score API does.
Suits: Agencies sending branded SEO audit reports to clients
Limits worth knowing in SEO Score API
- It audits pages only: no backlinks, keyword research or rank tracking, which the vendor says to get from suites such as Ahrefs or Moz.
- Deep Site Audits come only with Pro (20 a month) and Ultra (100), or as credit packs from $12 for one audit to $499 for 100.
- Extra AI citation checks cost $10 for 500 or $36 for 2,000; the pages read do not say which AI engines are checked.
- The product is labeled as being in public beta.
Common questions
What are the alternatives to SEO Score API?
The alternatives to SEO Score API in this directory are DataForSEO, Lighthouse, SEO Site Checkup, Screaming Frog SEO Spider and SEOptimer. Each one has a side-by-side comparison with SEO Score API.
Is there a free alternative to SEO Score API?
Yes. Lighthouse is free to use. Screaming Frog SEO Spider and SEOptimer have a free plan alongside paid ones.
Which SEO Score API alternatives work on Windows?
The SEO Score API listing does not include a Windows app. Screaming Frog SEO Spider lists one.
Which SEO Score API alternatives work on macOS?
The SEO Score API listing does not include a macOS app. Screaming Frog SEO Spider lists one.
Is there an open-source alternative to SEO Score API?
Lighthouse is described as open source on its own site.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 17, 2026 to Oct 23, 2026. Vendors change prices without notice, so confirm on their site before you buy.