Comparison

WordPress SEO plugins compared

SEOWing next to Yoast SEO, Rank Math, All in One SEO and SEOPress, feature by feature and price by price. We make SEOWing, so read this with that in mind: every competitor cell is taken from the vendor’s own pages, and SEOWing does not win every row.

How we compared

Sources are the vendors’ pricing pages, feature pages, documentation, changelogs and wordpress.org, retrieved on 1 October 2026. Prices exclude VAT and are shown in the currency the vendor displayed. Promotional and first-year prices are marked as such. “Not stated by the vendor” means we found no official statement, not that the feature is missing.

Feature and price comparison

Feature	SEOWing	Yoast SEO	Rank Math	All in One SEO	SEOPress
Free version	Yes, SEO core without a licence key	Yes	Yes	Yes (Lite)	Yes
Cheapest paid plan	Starter €99 per year, 1 site	Premium $118.80 per year, 1 site	PRO €7.99 per month billed yearly (€95.88) for unlimited own sites, promo price; renews at €8.99 per month	Basic $49.50 for the first year, 1 site, introductory price; renews at $99	PRO €49 per year, 1 site, same price on renewal
Several sites	Studio from €1,490 per year, up to 10 sites	Bulk discount, price not listed	Business €24.99 per month billed yearly for 100 client sites, promo price; renews at €27.99	Pro $199.50 for the first year, 10 sites; renews at $399	€59 per year for 5 sites, €149 unlimited
Schema / structured data	Free, one JSON-LD graph for the whole site	Free, more types in Premium	Free, schema builder in PRO	Basic in Lite, Smart Schema in paid plans	Basic in Free, manual and automatic schemas in PRO
XML sitemap	Free, with IndexNow	Free	Free	Free	Free
Redirects and 404 monitor	Both free	Redirects in Premium; 404 monitor not stated	Both free	Redirects from Basic, 404 monitor from Pro	Per-post redirects free; manager and 404 monitor in PRO
llms.txt	From Pro	Free, since June 2025	Free, since July 2025	Free since June 2025; llms-full.txt in Pro	Since January 2026, marked PRO in the changelog
AI features and how they are paid	From Pro, with your own OpenAI, Anthropic or Google key; no AI fees from us	Premium and above, included in the price, no credits	Separate AI subscription, from €4.99 per month (launch price)	AI credits included per plan (10,000 in Basic), top-ups sold	PRO, with your own key or an optional credits plan from $19 per month
AI agents over MCP	70 tools from Starter, plus a Claude app connector	No own MCP server; its abilities become MCP tools through the WordPress MCP Adapter	MCP tools since May 2026, listed in the free changelog; some tools need PRO	Own MCP server since June 2026; announcement says every plan, docs say Basic and above	Own MCP server since 1 October 2026: 14 tools free, 13 more in PRO
Image compression, WebP and AVIF	From Starter, on your own server	Not stated by the vendor	Not stated by the vendor	Not stated by the vendor	Not stated by the vendor
Internal link suggestions	From Pro	Premium	Free; AI variant with the AI subscription	From Pro	PRO
Import from other SEO plugins	Yoast and Rank Math, free	AIOSEO, Rank Math and others, free	Yoast, AIOSEO, SEOPress and others, free	Yoast, Rank Math, SEOPress	Yoast, Rank Math, AIOSEO and others, free
Active installs on wordpress.org	Not listed on wordpress.org	10 million+	4 million+	2 million+	300,000+

As of 1 October 2026

Which one fits

Yoast SEO

The most widely installed option. AI features are included in Premium without credits; redirects and internal links are paid.

Rank Math

The most in the free plan: redirects, 404 monitor, internal links and llms.txt. PRO covers unlimited own sites at a low price.

All in One SEO

Plans bundle AI credits; the first year is discounted, renewals are at full price.

SEOPress

The lowest paid price for one site, the same on renewal, and AI with your own key.

SEOWing

For sites that want image optimization on their own server, a whole-site audit that applies fixes with a dry-run preview, and 70 MCP tools for AI agents. It costs more than the cheapest plans and includes llms.txt only from Pro.

Questions

Which WordPress SEO plugin is cheapest?+

For one site, SEOPress PRO at €49 per year, the same on renewal. All in One SEO Basic costs $49.50 in the first year and $99 after that. Rank Math PRO covers unlimited own sites at €7.99 per month billed yearly (promo price, €8.99 on renewal). SEOWing Starter costs €99 per year. As of 1 October 2026.

Which plugins create an llms.txt file?+

Yoast SEO, Rank Math and All in One SEO generate llms.txt in their free versions. SEOPress marks it as PRO in its changelog. SEOWing includes it from the Pro plan.

Which plugins can an AI agent control over MCP?+

All five can be connected to AI agents. SEOWing exposes 70 MCP tools from Starter. SEOPress has an MCP server with 14 free and 13 PRO tools, All in One SEO has its own MCP server, Rank Math offers MCP tools, and Yoast SEO exposes its abilities through the WordPress MCP Adapter.

Which plugin optimizes images to WebP and AVIF?+

SEOWing does, from the Starter plan, on your own server. For Yoast SEO, Rank Math, All in One SEO and SEOPress we found no vendor statement about built-in image compression; their image features cover alt text and titles.

Sources

Prices and features change. Spotted something outdated? Write to support@seowing.io and we will correct it.

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