Grammarly
AI
A writing assistant that works everywhere you already type.
Checked Aug 2026
AI tool category
AI writing and content optimisation
Drafting, editing and optimising text against a target - a style, a search result, or an AI answer.
5 products here qualify, filed across AI and SEO. That spread is the reason this page exists: the primary taxonomy files these tools by the department that buys them, which is the wrong grouping for a reader choosing between them. Figures below were last checked in August 2026.
Ranked on published terms
Ordered by terms score: entry price against category peers, portability and subscription flexibility, equally weighted. It measures how a product is sold, not how well it works. How the score is calculated.
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Frase
SEO
Research, draft, optimise, publish and monitor, priced from $49 a month.
Checked Aug 2026
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Surfer
SEO
Content optimisation scored against what already ranks, now with AI-answer tracking attached.
Checked Aug 2026
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Clearscope
SEO
Content optimisation with unlimited users, now tracking prompts as well as keywords.
Checked Aug 2026
Not ranked
This product qualify for the category and are covered in full, but its terms cannot be scored against the others. The reason is given in each case rather than a placeholder figure.
- AirOps Content operations automation for AI search, with no price on the pricing page. Not ranked because its pricing is quote-only, so the entry price cannot be positioned against anything.
How a product gets filed here. A product is filed here only where AI is its function rather than a feature it also ships. Tools that added AI to an existing job keep their ordinary category and appear in neither list.
Plenty of tools in the full directory ship AI features and appear in none of these four lists for exactly that reason. See also the AI category index.
Building something that belongs on this list? Submit your AI tool and it is held to the same pricing and evidence standard as everything above.