CO · category

Content optimization and AI writing tools

Tools that compare a draft with the pages already ranking and suggest terms, headings and length, plus AI writers that produce drafts. A brief built from the current results is useful; a score to chase is not a ranking factor.

Price

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ProWritingAid
Grammar checker and line-editing tool for fiction writers, with style reports, rephrasing, manuscript critiques and session tracking.

Content optimizationfrom $30/mo

Score
4.3

Searches / mo40.5K−34.0%

Organic (US)
5.72M151K kw

ReviewsTP 4.4 (224)G2 —
Yoast SEO
WordPress SEO plugin with real-time content and readability analysis, schema and sitemaps; paid tiers add AI and brand tracking.

WordPress pluginsContent optimization

Score
4.3

Searches / mo27.1K−13.2%

Organic (US)
151K11.3K kw

ReviewsTP —G2 4.6 (172)
Phrasly.AI
AI writing tool that rewrites AI-generated text to read as human, with an AI detector, content generator and plagiarism checker.

Content optimization

Score
4.3

Searches / mo22.2K+39.5%

Organic (US)
159K4.9K kw

ReviewsTP 4.6 (1,512)G2 —
AnswerThePublic
Keyword and question research tool that maps what people search around a topic, with AI article drafting via Content Studio.

Keyword researchContent optimization

Score
4.2

Searches / mo165K−18.1%

Organic (US)
19.3K2.1K kw

ReviewsTP 4.1 (16)G2 4.5 (36)
Writesonic
AI search visibility platform: tracks brand mentions in ChatGPT, Gemini and AI Overviews, plus AI articles, site audits and GEO fixes.

AI SEO toolsContent optimizationfrom $99/mo

Score
4.2

Searches / mo40.5K−60.5%

Organic (US)
30.1K2.7K kw

ReviewsTP 4.8 (5,579)G2 4.7 (1,956)
Copyscape
Plagiarism checker that searches the web for copies of a page or text, with pay-per-search Premium, an API and automated monitoring.

Content optimizationSite audit & technicalfrom $4.95/mo

Score
4.2

Searches / mo18.1K−52.5%

Organic (US)
23.8K1.1K kw

ReviewsTP 3.1 (4)G2 4.5 (26)
Wellows (formerly KIVA)
AI search visibility platform tracking brand citations in ChatGPT, Gemini, Perplexity and Google AI, with content drafting.

AI SEO toolsAgency & white-label reportingfrom $29/mo

Score
4.2

Searches / mo18.1K0.0%

Organic (US)
3.9K1.6K kw

ReviewsTP 4.6 (635)G2 —
Jasper
AI marketing content platform with agents, brand-voice controls, content pipelines and GEO tracking of brand presence in AI answers.

Content optimizationAI SEO toolsfrom $69/mo

Score
4.1

Searches / mo110K−45.9%

Organic (US)
117K4.3K kw

ReviewsTP 4.3 (4,138)G2 4.7 (1,242)
Prepostseo
Collection of 150+ free online writing and webmaster tools, led by a plagiarism checker, paraphraser and DA/PA checker.

Content optimizationSite audit & technicalfrom $7/mo

Score
4.0

Searches / mo33.1K−58.1%

Organic (US)
390K21.4K kw

ReviewsTP 2.4 (7)G2 —
Sintra AI
Bundle of 12 role-based AI assistants for small businesses, including Seomi, an AI helper for SEO blog posts and audits.

AI SEO toolsContent optimizationfrom $97/mo

Score
4.0

Searches / mo33.1K−58.6%

Organic (US)
37.5K2.6K kw

ReviewsTP 4.6 (5,501)G2 —
Exploding Topics
Trend research database that flags fast-growing topics, products and startups from search and social signals, plus free SEO tools.

Keyword researchContent optimizationfrom $39/mo

Score
4.0

Searches / mo18.1K0.0%

Organic (US)
192K41.3K kw

ReviewsTP 3.7 (1)G2 —
Anyword
AI copywriting platform that scores marketing copy with performance predictions and generates on-brand ads, emails and blog posts.

Content optimizationfrom $49/mo

Score
4.0

Searches / mo6.6K−37.7%

Organic (US)
5.4K1.3K kw

ReviewsTP 4.7 (338)G2 4.8 (1,212)
Writecream
AI writing platform with 75+ tools for SEO articles, ad copy and cold-email icebreakers, plus an AI agent (Lexi) that drafts SEO posts.

Content optimizationAI SEO toolsfrom $29/mo

Score
4.0

Searches / mo5.4K−74.2%

Organic (US)
89.5K33.1K kw

ReviewsTP 4.7 (1,182)G2 —
MarketMuse
Content planning and optimization software that models topics, scores content and generates briefs from a site's inventory.

Content optimizationKeyword research

Score
4.0

Searches / mo2.9K−56.0%

Organic (US)
98.4K3.1K kw

ReviewsTP —G2 4.6 (214)
Surfer (Positive Surfer)
Content optimisation and AI visibility platform: SERP-based content scoring, AI writing, audits and AI prompt tracking.

Content optimizationAI SEO tools

Score
3.9

Searches / mo40.5K−41.5%

Organic (US)
99.6K10.5K kw

ReviewsTP 4.3 (54)G2 —
SEO.AI
AI SEO agent that researches keywords, writes and publishes pages to your site, and swaps backlinks in its network.

AI SEO toolsContent optimizationfrom $149/mo

Score
3.8

Searches / mo33.1K−23.1%

Organic (US)
113K15.1K kw

ReviewsTP 3.7 (13)G2 0.0 (1)
Outgrow
No-code builder for interactive marketing content: quizzes, calculators, polls, forms, chatbots and giveaways for lead capture.

Content optimizationfrom $22/mo

Score
3.8

Searches / mo22.2K−7.0%

Organic (US)
10.8K4.4K kw

ReviewsTP 3.5 (135)G2 4.8 (275)
UnAIMyText
AI text humanizer that rewrites AI-generated drafts to vary sentence rhythm and wording; free up to 500 words per input.

Content optimization

Score
3.7

Searches / mo40.5K−65.4%

Organic (US)
18.3K1.1K kw

ReviewsTP 4.1 (619)G2 —
RankIQ (now part of Aided)
Blogger-focused SEO toolset: hand-picked low-competition keyword libraries by niche and a content grader; now bundled into Aided.

Keyword researchContent optimization

Score
3.7

Searches / mo27.1K−55.3%

Organic (US)
23339 kw

ReviewsTP 3.4 (2)G2 4.9 (532)
HyperWrite
General-purpose AI writing assistant with autocomplete, web-search citations, a document editor and a Chrome extension.

Content optimizationfrom $19.99/mo

Score
3.7

Searches / mo14.8K−63.5%

Organic (US)
29.2K8.2K kw

ReviewsTP —G2 —
AlsoAsked
Pulls live Google 'People Also Ask' questions for a keyword and maps them into intent trees, by country, city and language.

Keyword researchContent optimizationfrom $15/mo

Score
3.7

Searches / mo9.9K−7.3%

Organic (US)
5.5K197 kw

ReviewsTP —G2 —
Senuto
SEO and content platform with visibility analysis, keyword explorer, rank tracker, content planner/writer and AI Overviews monitoring.

Keyword researchRank tracking

Score
3.7

Searches / mo8.1K−18.4%

Organic (US)
798638 kw

ReviewsTP —G2 4.5 (12)
Backlinko
SEO and AI-search education blog owned by Semrush, with guides, tool reviews and free checkers powered by Semrush data.

Content optimizationSite audit & technicalFree

Score
3.7

Searches / mo5.4K−24.4%

Organic (US)
180K43.4K kw

ReviewsTP 4.0 (3)G2 3.5 (1)
Ocoya
AI social media management tool that writes, designs and schedules posts across 20+ networks, with a social inbox and automation workflows.

Content optimizationfrom $29/mo

Score
3.7

Searches / mo5.4K−29.3%

Organic (US)
23K6.1K kw

ReviewsTP —G2 —
Clearscope
Content optimization platform: term recommendations, AI drafting, content monitoring and brand-mention tracking in ChatGPT and Gemini.

Content optimizationAI SEO toolsfrom $129/mo

Score
3.7

Searches / mo3.6K−42.5%

Organic (US)
5.3K1.8K kw

ReviewsTP —G2 4.9 (91)
Scalenut
AI content platform for GEO: AI visibility tracking in ChatGPT and Google AIO, article creation, optimisation and content audits.

Content optimizationAI SEO toolsfrom $59/mo

Score
3.7

Searches / mo2.4K−55.3%

Organic (US)
19.5K11.8K kw

ReviewsTP —G2 4.7 (304)
Conductor
Enterprise platform for AI search (AEO) and SEO: AI visibility tracking, AI content creation and technical site monitoring.

Enterprise platformsAI SEO toolsCustom pricing

Score
3.7

Searches / mo720+13.7%

Organic (US)
56.4K7.1K kw

ReviewsTP 2.8 (3)G2 4.5 (389)
BuzzSumo
Content research and digital PR platform: finds the most-shared content on a topic, monitors mentions and lists journalists.

Content optimizationCompetitor researchfrom $199/mo

Score
3.6

Searches / mo18.1K−49.4%

Organic (US)
8K4K kw

ReviewsTP 3.7 (4)G2 —
AirOps
Platform for tracking brand visibility in AI answer engines and producing and refreshing content with AI workflows.

AI SEO toolsContent optimizationCustom pricing

Score
3.6

Searches / mo14.8K0.0%

Organic (US)
2.5K920 kw

ReviewsTP —G2 —
Answer Socrates
Keyword and question research tool pulling real questions from Google, Bing, YouTube and AI models, with clustering and LLM tracking.

Keyword researchContent optimizationfrom $19/mo

Score
3.6

Searches / mo6.6K0.0%

Organic (US)
9.1K1.2K kw

ReviewsTP —G2 —
NEURONwriter
Content optimisation editor that scores drafts against top Google results, with AI writing and tracking of brand mentions in AI answers.

Content optimizationAI SEO toolsfrom $23/mo

Score
3.6

Searches / mo6.6K−37.9%

Organic (US)
338216 kw

ReviewsTP 4.7 (59)G2 —
All in One SEO (AIOSEO)
WordPress SEO plugin covering on-page analysis, schema, XML sitemaps, redirects, local SEO and Search Console data in the dashboard.

WordPress pluginsContent optimization

Score
3.6

Searches / mo4.4K−12.9%

Organic (US)
62.3K12.2K kw

ReviewsTP —G2 —
GrowthBar
AI writing tool for SEO blog content: SERP-based outlines, AI drafts, keyword research and competitor data. Now owned by SEOptimer.

Content optimizationKeyword researchfrom $36/mo

Score
3.6

Searches / mo2.9K−13.9%

Organic (US)
—

ReviewsTP 4.6 (45)G2 —
RightBlogger
AI blog automation: finds keywords, writes SEO articles, publishes to your CMS, shares to social, and maintains older posts.

Content optimizationAI SEO toolsfrom $59/mo

Score
3.6

Searches / mo1K−38.7%

Organic (US)
10K3.9K kw

ReviewsTP 4.7 (33)G2 —
Content Harmony
Content brief software: keyword reports with search intent, shareable content briefs and a content grader, priced per workflow.

Content optimizationKeyword researchfrom $50/mo

Score
3.6

Searches / mo210−53.6%

Organic (US)
81.3K4.2K kw

ReviewsTP 4.8 (115)G2 —
Grubby AI
AI humanizer that rewrites AI-generated English text to avoid AI detectors; marketed mainly to students.

Content optimization

Score
3.5

Searches / mo110K−58.8%

Organic (US)
34K287 kw

ReviewsTP 3.3 (35)G2 —
Copymatic
AI writing tool for blog posts, website copy and ads, with 'autopilot' projects that research keywords and publish articles.

Content optimizationAI SEO toolsfrom $29/mo

Score
3.5

Searches / mo3.6K−33.6%

Organic (US)
731256 kw

ReviewsTP 4.6 (1,150)G2 —
InLinks
Entity-based SEO tool for internal linking, schema markup, content briefs and topic planning, deployed with one line of JavaScript.

Content optimizationSite audit & technicalfrom $49/mo

Score
3.5

Searches / mo3.6K−19.4%

Organic (US)
927501 kw

ReviewsTP 4.0 (4)G2 4.9 (5)
Link Whisper
WordPress plugin for internal linking: AI link suggestions, orphan page detection, auto-linking rules and broken link fixing.

WordPress pluginsContent optimization

Score
3.5

Searches / mo2.4K−37.7%

Organic (US)
1.2K1.8K kw

ReviewsTP 5.0 (66)G2 4.5 (17)
Frase
Content platform for Google and AI search: site audits, SERP research, AI drafting, publishing, rank-decay monitoring and AI visibility.

Content optimizationAI SEO toolsfrom $49/mo

Score
3.5

Searches / mo1.3K−34.3%

Organic (US)
8.2K550 kw

ReviewsTP 1.8 (44)G2 4.8 (295)
SEOBoost
Content optimization tool: topic reports from top-30 SERP analysis, content briefs, real-time content scoring and content audits.

Content optimizationfrom $30/mo

Score
3.5

Searches / mo1.3K−2.0%

Organic (US)
7K2.2K kw

ReviewsTP 3.7 (1)G2 —
SurgeGraph
AI search visibility platform for agencies: tracks citations in ChatGPT, Perplexity and Google AI, plus AI content and reports.

AI SEO toolsContent optimization

Score
3.5

Searches / mo1.3K−67.7%

Organic (US)
183K8.8K kw

ReviewsTP 4.6 (41)G2 4.9 (30)
Lunchbreak AI
AI-detection checker and rewriter that scores text against detectors like GPTZero and Turnitin and humanizes flagged phrasing.

Content optimizationfrom $19.99/mo

Score
3.4

Searches / mo9.9K−93.0%

Organic (US)
4.4K213 kw

ReviewsTP 3.3 (4)G2 —
BabyLoveGrowth
Automated SEO service that writes and auto-publishes articles, adds backlinks from a partner network and tracks AI search mentions.

Content optimizationAI SEO toolsfrom $99/mo

Score
3.4

Searches / mo8.1K+2451.5%

Organic (US)
1.5K727 kw

ReviewsTP —G2 —
Speedwrite
AI text rewriter that generates a reworded version of a source text, marketed for producing text that differs from the original.

Content optimizationfrom $14.95/mo

Score
3.4

Searches / mo6.6K−37.7%

Organic (US)
962109 kw

ReviewsTP 2.2 (8)G2 —
Outranking
SEO content writing and optimization software: content briefs, AI first drafts, on-page optimization and automatic internal linking.

Content optimizationAI SEO tools

Score
3.3

Searches / mo8.1K−6.9%

Organic (US)
4.5K1.6K kw

ReviewsTP 3.4 (2)G2 —
SEOJuice
Automated on-page SEO: adds internal links, meta tags, schema and alt text, writes AI articles and monitors AI citations.

AI SEO toolsContent optimizationfrom $99/mo

Score
3.3

Searches / mo260−34.4%

Organic (US)
996980 kw

ReviewsTP —G2 —
QuickSEO
Search Console analytics plus weekly AI-visibility tracking in ChatGPT, Claude, Gemini and Perplexity, with AI-written articles on Pro.

AI SEO toolsAnalytics & datafrom $39/mo

Score
3.3

Searches / mo70+121.4%

Organic (US)
233255 kw

ReviewsTP 4.0 (3)G2 5.0 (2)
Yahini
AI content strategy tool: learns a brand from its URL, builds funnel-mapped keyword plans, writes content briefs and first drafts.

Content optimizationKeyword researchfrom $39/mo

Score
3.2

Searches / mo823K−18.2%

Organic (US)
02 kw

ReviewsTP —G2 —
Soro
AI SEO autopilot that picks keywords, writes a long-form article every day and publishes it to your site.

Content optimizationAI SEO toolsfrom $39/mo

Score
3.2

Searches / mo8.1Kno trend

Organic (US)
7479 kw

ReviewsTP —G2 —
Editby
AI content tool that learns a brand's voice from example posts and writes blogs, LinkedIn posts and newsletters on a schedule.

Content optimizationAI SEO tools

Score
3.2

Searches / mo6.6K+105.9%

Organic (US)
2310 kw

ReviewsTP 2.4 (82)G2 4.9 (50)
Koala AI
AI article writer (KoalaWriter) with built-in keyword, backlink and SERP data, an SEO agent on your Search Console, and an MCP server.

Content optimizationAI SEO toolsfrom $25/mo

Score
3.2

Searches / mo2.9K−46.5%

Organic (US)
2.8K630 kw

ReviewsTP 2.9 (15)G2 —
Spin Rewriter AI
Article rewriter (spinner) that rewrites one article into many variations in spintax and can export up to 1,000 versions at once.

Content optimizationfrom $47/mo

Score
3.2

Searches / mo1K−60.4%

Organic (US)
68581 kw

ReviewsTP 2.8 (3)G2 —
LinkBoss
Internal linking tool that suggests and inserts contextual interlinks in bulk, builds silo structures and finds orphan pages.

Content optimizationSite audit & technicalfrom $11/mo

Score
3.2

Searches / mo590−41.6%

Organic (US)
145103 kw

ReviewsTP 3.7 (1)G2 —
SnowSEO
AI search visibility tracker and SEO agent: tracks prompts in ChatGPT and other AI engines, plus keywords, audits and AI article writing.

AI SEO toolsContent optimizationfrom $49/mo

Score
3.2

Searches / mo210+231.0%

Organic (US)
717401 kw

ReviewsTP —G2 —
TextOptimizer
Content optimization tool that compares a page's text with search results and suggests terms to add or remove.

Content optimization

Score
3.2

Searches / mo90−74.4%

Organic (US)
137 kw

ReviewsTP 4.7 (55)G2 5.0 (1)
Undetectable AI
AI text detector and humanizer that rewrites AI-generated text to read as human-written, plus image and document detectors.

Content optimizationfrom $9.99/mo

Score
3.2

Searches / mo—no trend

Organic (US)
391K26K kw

ReviewsTP 2.2 (461)G2 2.4 (4)
RankPill
SEO automation service that writes and publishes one long-form article a day and adds backlinks through an exchange.

Content optimizationAI SEO toolsfrom $99/mo

Score
3.1

Searches / mo2.4K−64.7%

Organic (US)
639688 kw

ReviewsTP —G2 —
Squirrly SEO
WordPress SEO plugin plus cloud app: keyword research, live content assistant, audits, rank tracking and AI-search (GEO) tools.

WordPress pluginsContent optimization

Score
3.1

Searches / mo480−18.5%

Organic (US)
22610 kw

ReviewsTP 3.7 (1)G2 —
SEO Scout
Search Console-based SEO toolkit: SEO split testing, keyword performance tracking, content optimisation, site audits and internal links.

Analytics & dataContent optimizationfrom $49/mo

Score
3.1

Searches / mo140−5.1%

Organic (US)
2.6K1.9K kw

ReviewsTP —G2 —
Serpwe
Keyword discovery from Google and Bing autocomplete, SERP-based keyword clustering, content briefs and AI article writing.

Keyword researchContent optimizationfrom $29/mo

Score
3.1

Searches / mo10+33.3%

Organic (US)
14 kw

ReviewsTP —G2 4.7 (3,942)
vevy.ai
Shopify app for AI blog writing: topic clusters, a drag-and-drop shoppable blog builder, scheduled auto-posting and blog analytics.

Content optimizationAI SEO toolsfrom $7/mo

Score
3.1

Searches / mo10+100.0%

Organic (US)
28 kw

ReviewsTP —G2 —
SEOWILL (formerly SEOAnt)
Shopify SEO app, formerly SEOAnt: SEO and GEO audit, AI blog posts, meta tags and ALT text, image compression, speed, JSON-LD, llms.txt, broken-link redirects.

Shopify SEO appsSite audit & technicalfrom $29.99/mo

Score
3.0

Searches / mo170no trend

Organic (US)
71122 kw

ReviewsTP —G2 —
SmartlyQ
All-in-one AI marketing workspace: content and article generation, social scheduling, short video, chatbots, CRM and publishing.

Content optimizationAgency & white-label reporting

Score
3.0

Searches / mo70+21.1%

Organic (US)
143117 kw

ReviewsTP —G2 —
Swiftbrief
Content brief generator that finds and clusters keywords from the top 20 results and builds writer-ready briefs and outlines.

Content optimizationKeyword researchfrom $39/mo

Score
3.0

Searches / mo50−61.9%

Organic (US)
932704 kw

ReviewsTP —G2 4.8 (3)
URLsLab
WordPress SEO plugin for automated internal linking, content gap analysis, SERP monitoring, AI content and site performance tweaks.

WordPress pluginsContent optimization

Score
3.0

Searches / mo100.0%

Organic (US)
22349 kw

ReviewsTP 3.7 (1)G2 4.5 (1)
Keyword Insights
Keyword research, SERP-based keyword clustering, content briefs and AI writing on one credit balance.

Keyword researchContent optimizationfrom $58/mo

Score
2.9

Searches / mo1.3K−51.4%

Organic (US)
1.2K907 kw

ReviewsTP —G2 —
Textmetrics
Content governance platform that checks text against an organisation's rules for SEO/GEO, readability, inclusive language and brand tone.

Content optimizationEnterprise platformsCustom pricing

Score
2.9

Searches / mo480−45.8%

Organic (US)
2.3K279 kw

ReviewsTP —G2 —
GlobalSeo
AI website translation service that publishes indexable language versions of a site on subdomains or subdirectories for multilingual SEO.

Content optimization

Score
2.9

Searches / mo30−11.1%

Organic (US)
10315 kw

ReviewsTP —G2 0.0 (1)
Robinize
SEO content tool: analyzes the top 20 ranking pages for a phrase, suggests terms and headings, drafts the article with AI, tracks ranks.

Content optimizationKeyword researchfrom $19/mo

Score
2.9

Searches / mo30−40.0%

Organic (US)
1913 kw

ReviewsTP —G2 5.0 (1)
Revive by Animalz
Free tool that reads 12 months of GA4 data and lists blog posts losing traffic, ranked by refresh priority.

Content optimizationAnalytics & dataFree

Score
2.9

Searches / mo200.0%

Organic (US)
15 kw

ReviewsTP —G2 —
SEOpital
AI SEO writing tool that analyzes the top 10 results for a keyword, then generates or optimizes an article; also clusters keywords.

Content optimizationKeyword researchfrom $49/mo

Score
2.8

Searches / mo480−68.2%

Organic (US)
4K3.3K kw

ReviewsTP —G2 —
Grocliq
AI search visibility tracking plus a done-for-you GEO, SEO and Reddit program with articles and backlinks.

Content optimizationAI visibility tracking

Score
2.8

Searches / mo210−59.8%

Organic (US)
02 kw

ReviewsTP 3.7 (1)G2 —
KWHero
Keyword research, topic clustering and AI content briefs built around topical coverage, plus LLM presence metrics.

Keyword researchContent optimizationfrom $59/mo

Score
2.8

Searches / mo140−53.3%

Organic (US)
1318 kw

ReviewsTP 3.4 (4)G2 —
NeuralText
SEO content platform: SERP-based content briefs, keyword clustering, an AI writing assistant and Search Console analytics.

Content optimizationKeyword researchfrom $19/mo

Score
2.7

Searches / mo320−62.2%

Organic (US)
462251 kw

ReviewsTP 1.8 (26)G2 —

Buyer's guide

How to choose content optimization and ai writing tools

Content tools help plan, write and improve pages that rank. They cover a wide range: briefs built from the pages already ranking, editors that score a draft for coverage, AI writers, readability and grammar checkers, and plagiarism checks. Most writers need two or three of these jobs, rarely all of them.

Briefs and optimisation

Optimisation editors compare your draft with the current top results and suggest topics, terms and headings you've missed. Surfer (from €59 a month), Clearscope ($129) and MarketMuse, which has a free plan of 10 queries a month, are the established names. A content score is a checklist, not a ranking factor: aim to cover what the reader needs, not to hit a number.

AI writers

Jasper ($69 a seat), Writesonic ($99) and Writecream, which has a free plan, produce drafts quickly. They are useful for first drafts, outlines and variations. Published without an editor, AI drafts are what Google's spam policies call scaled content abuse when produced at volume. The broader category is AI SEO tools.

Editing and originality

ProWritingAid checks grammar, style and readability, with a free tier limited to 500 words per report. Copyscape finds copies of a page elsewhere on the web, with paid searches from $4.95. For research before writing, AnswerThePublic and Exploding Topics show what people ask and what is rising.

How to choose

Where you lose time. Research, drafting and editing each have a tool. Buy for the slowest step.
Units. Plans count documents, words, queries or seats. Price your monthly output.
Where you write. Check for a Google Docs or WordPress integration if that is where the work happens.

The TopSEOTools brief

New content tools and SEO news, once a week at most

Google and AI-search news, new tools in the index and one practical SEO tip, in one short email.

Also in the index