DefiniteSEO
9.0#1 in seo toolsFrom $4.99 a monthFree planAndroidiOSWebAPI
VisitDefiniteSEO vs SEOptimiser
SEOptimiser
6.9#96 in seo toolsFrom $89 a monthWebAPI
VisitWhat both publish
| Fact | DefiniteSEO | SEOptimiser |
|---|---|---|
| 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 |
| Paid from | 4.99 | 89 |
| Product | DefiniteSEO combines a WordPress SEO plugin with online tools for site audits, AI visibility, backlinks, and AI writing. | SEOptimiser describes itself as an AI SEO platform that prioritises SEO actions by expected impact. |
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
SEOptimiser plans
- Starter$89 a month
- Growth$229 a month
- ScalePriced on request
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 SEOptimiser if…
You want what its maker publishes above — check its page for the details.