by Semrush
SEO research, content writing and AI search visibility
The free trial lasts for seven days and requires no credit card.
by Ahrefs
Backlinks, keywords and AI search brand tracking
SEO platform known for backlink data and keyword research. Brand Radar tracks mentions in AI answers.
Free plan. The Ahrefs Free plan allows users to get Ahrefs data on their site and fix what matters.
The cheapest paid plan is the Starter plan at $29 / mo.
From their website — their pricing page, checked 2026-11-04
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by Semrush
SEO research, content writing and AI search visibility
The free trial lasts for seven days and requires no credit card.
by Clearscope
Content grading to make articles more complete
The page offers a 14 day free trial for all plans.
by Frase
Research and write SEO content briefs and articles
The 7-day free trial includes Professional's full feature set with caps of 5 articles, 50 audit pages, 25 AI prompts, and up to 3 seats.