Best SEO tools in 2026 — AIToolVerdict

Semrush

Top pick

The all-in-one SEO toolkit for keyword, backlink and competitor research — from $139.95 a month.

4.5

Starting price: $139.95 per month

Best for: Agencies managing multiple client sites

Daily rank tracking and AI-visibility monitoring from €79 a month billed yearly, with every tool, all six AI platforms and no per-seat fee on every plan — and the yearly discount it advertises is exactly 20%.

4.3

Starting price: €99 Every plan is billed monthly or yearly, and the pricing page opens with the billing switch already set to Yearly. Starter is €99 a month billed monthly or €79 a month billed yearly (€948 a year); Professional is €199 or €159 (€1,908); Agency is €399 a month billed yearly (€4,788). The yearly discount is exactly 20%, and the page says so: the switch is labelled "YEARLY −20%" and the saving printed on each card (€240 / €480 / €1,200) is exactly the difference between twelve monthly payments and the yearly total. Enterprise is quoted to volume from 20,000 keywords upward

Best for: Agencies tracking local packs and multiple client domains, where the seat count is unlimited from Professional up and the per-keyword price falls as you scale (about €0.064 a month per keyword on Professional billed yearly)

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Squirrly SEO

A WordPress SEO plugin that now installs as GEO Plugin by Squirrly SEO — free to install, with the llms.txt generation, AI-crawler control and GEO audit all inside the free plan; the paid entry point is a $239.88-a-year charge.

4.1

Starting price: $0 Free plan on WordPress.org; the paid entry point is PRO Yearly at $239.88 a year

Best for: WordPress site owners who want to try the AI-visibility workflow — llms.txt, AI crawler control, IndexNow submission and the GEO audit — without paying, because the free plugin carries those features

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