DefiniteSEO
9.0#1 in seo toolsFrom $4.99 a monthFree planAndroidiOSWebAPI
VisitDefiniteSEO vs SEObserver
SEObserver
7.2#54 in seo toolsWebAPILinuxmacOS
VisitWhat both publish
| Fact | DefiniteSEO | SEObserver |
|---|---|---|
| API access | The maker says users do not need their own AI account or API keys; the documentation references plugin REST routes rather than a separately documented public SaaS API. | Yes |
| Free plan | Yes | No |
| Privacy | The privacy policy says it collects account details, submitted domains, usage data, and IP addresses, and states that it does not sell or share personal data with third parties. | The privacy policy says the site may collect newsletter email, browsing data, IP address and browser type, and describes GDPR access, correction, deletion and portability rights. |
DefiniteSEO plans
- Pro$598.80 a year
- WordPress Plugin — FreeFree
- SEO Audit SaaS — FreeFree
- Free (SEO Audit SaaS)Free
- Free (WordPress Plugin)Free
- Solo$4.99 a month
SEObserver plans
- First plan—
- Freelance€99 a month
- Studio€199 a month
- Agency€499 a month
- Unlimited€999 a month
Pick DefiniteSEO if…
DefiniteSEO suits website owners, WordPress users, SEO professionals, and agencies seeking audits or WordPress SEO automation. Its free plugin and audit plan offer different starting points.
Pick SEObserver if…
You want what its maker publishes above — check its page for the details.