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Copy and SEO

AI writing tools and SEO helpers draft copy, match tone and check structure for pages, ads and newsletters. An AI writing tool saves typing time; it does not replace your fact check. Below are writing and SEO tools with plans and limits.

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Ahrefs

SEO & content optimisation

SEO and AI marketing platform with backlink analysis, keyword research, site audit, and AI-prompt/brand-visibility tracking.

Free accessFree plan
Paid fromStarter · €27200 research credits per month
  • Ahrefs combines keyword and backlink research with technical site audits and tracking of brands in AI answers.
  • Site Explorer and Site Audit for your verified websites

Details Visit site (opens in a new tab)

Anyword

Writing & marketing content

Generate unlimited marketing copy and score selected variants with performance predictions.

Free accessFree trialup to 7 days or 2,500 credits: The help page says the trial ends at whichever limit is reached first; No credit card required; no permanent free plan
Paid fromStarter (annual billing) · $39Unlimited text generation
  • Generate marketing copy for campaigns, blog posts and social media content
  • Performance score rates variants by expected conversion and audience fit

Details Visit site (opens in a new tab)

Brand24

SEO & content optimisation

Monitor web and social media mentions and analyze them with AI; additional modules track AI visibility.

Free accessFree trial
Paid fromIndividual (annual) · 199 USD3 keywords and 2000 mentions per month
  • Web and social media monitoring with AI sentiment analysis
  • Individual: 3 keywords, 2000 mentions per month and 1 user

Details Visit site (opens in a new tab)

Clearscope

SEO & content optimisation

Clearscope is an AI-assisted content optimization tool that analyzes top-ranking pages and delivers keyword and structure recommendations for SEO content.

Free accessFree trial
Paid fromEssentials · $12914-day free trial
  • AI-assisted SEO content optimization
  • Essentials for $129/month

Details Visit site (opens in a new tab)

Contents.com

Writing & marketing content

Create, rewrite, translate, and manage text and images in personal or collaborative workspaces.

Free accessFree plan8 shared text or image generations per day.
Paid fromPro · Not verified for this marketFull functionality
  • AI Writer, AI Art, and rewrite tools unified in one platform
  • Brand Voice ensures consistent tone across all projects

Details Visit site (opens in a new tab)

Copy.ai

Writing & marketing content

GTM chat and workflows for marketing, sales, and operations.

Free accessNo free plan published
Paid fromChat (monatlich) · $295 seats, unlimited chat words and projects
  • Chat: 5 people, unlimited words and chat projects
  • OpenAI, Anthropic, and Google models in one interface

Details Visit site (opens in a new tab)

Copyleaks

SEO & content optimisation

Plagiarism checking and AI text detection in one platform, with LMS integrations for educational institutions.

Free accessNo free plan published
Paid fromPersonal · 13,99 $Personal: 1,200 credits with annual billing, 100 with monthly billing
  • Personal: 1,200 credits with annual billing or 100 with monthly billing
  • AI text detection in 30+ languages; plagiarism detection in 100+ languages

Details Visit site (opens in a new tab)

Copymatic

Writing & marketing content

AI platform for content creation and SEO automation (50+ tools): blog articles, social copy, landing pages, keyword research, content scheduling and auto-publishing.

Free accessFree trial
Paid fromPro · contact sales1 autopilot project
  • 50+ content tools in one platform: blog, social, and landing pages
  • Unlimited words in all paid plans

Details Visit site (opens in a new tab)

CoSchedule Headline Analyzer

SEO & content optimisation

Rule-based headline analyzer with an AI extension (Headline AI) for blogs, emails, social posts and podcasts.

Free accessFree plan
Paid fromPremium · contact salesEverything in Basic plus headline and keyword suggestions
  • Headline analysis with sentiment and emotion scoring
  • Word-balance and power-word checking for high-impact copy

Details Visit site (opens in a new tab)

DeepL

Editing & paraphrasing

Translation service for text and documents with glossaries, plus the DeepL Write writing assistant, DeepL Voice real-time speech translation and a translation API.

Free accessFree plan
Paid fromIndividual · contact sales300,000 characters per month
  • Individual plan: 300,000 characters per month and 3 document translations
  • Glossaries with custom term pairs for consistent terminology

Details Visit site (opens in a new tab)

Frase

SEO & content optimisation

Create and monitor content for SEO, GEO, and AI visibility.

Free accessFree trial7 days without a card.
Paid fromStarter · 49 $ pro Monat, oder 39 $ pro Monat bei jährlicher Zahlung1 seat and 1 site
  • Content creation and monitoring for SEO, GEO, and AI visibility
  • Full Professional feature set in the free 5-day trial

Details Visit site (opens in a new tab)

Grammarly

Editing & paraphrasing

Correct, rewrite, and develop English text with generative writing assistance.

Free accessFree plan100 AI prompts/month plus spelling and grammar checks.
Paid fromPro · Preis variiert je nach Region; in Deutschland 12 € pro Monat bei jährlicher Zahlung, 30 € bei monatlicher ZahlungFull-sentence rewrite, adjust tone, fluent English
  • Check spelling, grammar, and punctuation
  • Adjust tone and clarity of writing

Details Visit site (opens in a new tab)

GrowthBar

SEO & content optimisation

AI writing tool for SEO content with keyword research, competitor analysis and a blog generator.

Free accessFree trial
Paid fromStandard (monatlich) · $3625 AI blog articles or audits/month
  • 25 AI blog articles or audits per month in the entry plan
  • 500 AI paragraph generations per month in the entry plan

Details Visit site (opens in a new tab)

HyperWrite

Editing & paraphrasing

AI writing assistant from OthersideAI with a Chrome extension, custom personas and over 200 AI writing tools such as AutoWrite and TypeAhead.

Free accessFree plan
Paid fromPremium · 19,99 $ / 16 $250 AI messages per month
  • AI writing assistant with Chrome extension, AutoWrite and TypeAhead
  • Over 200 AI writing tools and custom personas

Details Visit site (opens in a new tab)

Hypotenuse AI

Writing & marketing content

Enrich product data and generate descriptions, images, categories, and SEO/GEO content across large catalogues.

Free accessFree trialTrial without card; duration and allowance unpublished.
Paid fromEcommerce Basic · contact sales1 seat
  • AI product description generator and 20+ content types for e-commerce catalogues
  • Bulk AI image editing for product photos at scale

Details Visit site (opens in a new tab)

Jasper

Writing & marketing content

Create marketing copy and campaigns with brand voice, templates, and team governance.

Free accessFree trial7-day free trial; no permanent free plan is published.
Paid fromPro · $69 / $591 seat
  • Create marketing copy and campaigns with Brand Voice, Canvas and templates
  • Agents for core workflows plus no-code custom agents

Details Visit site (opens in a new tab)

Jenni AI

Writing & marketing content

Jenni AI is an AI writing assistant for academic work with automatic text autocomplete, citation support and plagiarism checking.

Free accessFree plan
Paid fromPlus · 12 $5,000 autocompletes/month
  • Academic AI writing assistant with autocomplete, citation support and plagiarism checking
  • PDF uploads and AI edits for paper workflows

Details Visit site (opens in a new tab)

LanguageTool

Editing & paraphrasing

AI-powered grammar, spelling and style checker for 30+ languages, with a strong DACH and EU-privacy focus.

Free accessFree plan
Paid fromPremium Monatlich · Not verified for this marketUp to 150,000 characters
  • Grammar and spell check up to 2,000 characters on the free plan
  • Premium: up to 150,000 characters per text field

Details Visit site (opens in a new tab)

Lately AI

Writing & marketing content

AI assistant that breaks long-form text, audio and video into channel-ready social posts, schedules them and analyses performance.

Free accessFree trial
Paid fromStarter · $14 / $19Repurpose long-form text, audio and video into social posts
  • Automatically break long-form text, audio and video into channel-ready social posts
  • Personal voice model learns individual writing style and tone

Details Visit site (opens in a new tab)

MarketMuse

SEO & content optimisation

Plan topic inventory, content briefs, and strategic SEO documents using proprietary topic models.

Free accessFree plan10 queries/month, 1 user, no briefs or tracked topics.
Paid fromOptimize · contact sales1 user and 1 site inventory
  • Topic inventory, coverage analysis, and content briefs on proprietary topic models
  • Topic Navigator, SERP X-ray, heatmap, and Connect

Details Visit site (opens in a new tab)

Modash

SEO & content optimisation

Influencer-marketing platform with natural-language AI search and image search for creators on Instagram, TikTok and YouTube.

Free accessFree trial
Paid fromEssentials · $299 / $2,388 jährlichUp to 100 creators
  • Natural-language AI search and image search for creators on Instagram, TikTok, and YouTube
  • Up to 800 opened creator profiles and 400 unlocked email addresses per month

Details Visit site (opens in a new tab)

Moderation API

SEO & content optimisation

AI-powered content moderation API for text, image, video and audio with pre-built detectors for toxicity, NSFW, spam and PII.

Free accessFree plan
Paid fromBasic · 79 $ / Monat10,000 messages/month
  • AI-powered detection of toxicity, NSFW content, spam, and personally identifiable information (PII) via REST API
  • Text and image moderation in the Hobby plan; video and audio moderation from Basic

Details Visit site (opens in a new tab)

neuroflash

SEO & content optimisation

Create marketing content and test reactions from simulated audiences before publication.

Free accessFree trial7 days; payment method required and paid continuation unless cancelled.
Paid fromEssential · Not verified for this market10 images/day
  • Create marketing content and test reactions from simulated target audiences before publication
  • Digital Twins: 2 audiences with 6 simulated persons each in the Essential plan

Details Visit site (opens in a new tab)

NEURONwriter

SEO & content optimisation

Scale SERP-based briefs, SEO analysis, AI drafts, and AI-visibility monitoring.

Free accessFree trial7 days of Gold capabilities; no permanent free tier.
Paid fromBronze · $23 / $192 projects
  • SERP-based content briefs and semantic text optimization via AI
  • AI first drafts and unlimited AI and SEO drafts from the Gold plan

Details Visit site (opens in a new tab)

Ocoya

Writing & marketing content

Design, AI-write, schedule, publish, and organise social posts across client workspaces.

Free accessFree trial7 days; no permanent free plan.
Paid fromBronze · $155 social profiles
  • Social media calendar, publishing, and templates for multiple channels in one tool
  • AI copy generation, image editing, and automatic translation from one credit quota

Details Visit site (opens in a new tab)

Originality.AI

SEO & content optimisation

AI text and plagiarism detector with grammar and fact checking for content teams, education and publishers, billed via a credit system.

Free accessFree plan
Paid fromPro · 12,95 $ / 14,95 $2,000 credits per month (1 credit = 100 words; combined AI and plagiarism check costs 2 credits per 100 words)
  • Detection of AI-generated content from ChatGPT, Claude, Gemini, and other models
  • Plagiarism checking with source linking for 20 languages

Details Visit site (opens in a new tab)

Outranking

SEO & content optimisation

SEO content platform that plans keyword clusters, builds briefs, writes AI first drafts and optimises text including internal linking.

Free accessFree trial
Paid fromMonatsansicht: Starter · 1,5004 SEO documents
  • AI text creation with SERP briefing, keyword research, and semantic optimization
  • Unlimited article generations from the Standard plan

Details Visit site (opens in a new tab)

Paligo

Editing & paraphrasing

Cloud CCMS for technical writers with topic-based authoring, single-sourcing and a built-in AI assistant plus separately billed AI translation.

Free accessNo free plan published
Paid fromBusiness · ab 15.000 $2 authors, 2 languages included, up to 10 reviewers/contributors
  • Cloud component content management system (CCMS) for technical documentation
  • Topic-based authoring and single-sourcing for reuse

Details Visit site (opens in a new tab)

Paperpal

Editing & paraphrasing

Write, edit, source, and run pre-submission checks on academic manuscripts.

Free accessFree plan200 language corrections/month, 5 AI actions/day, 7,000 plagiarism words, and 5 PDFs/month.
Paid fromPrime · $25 / $1220,000 grammar/language edits/month for new Prime plans
  • AI language correction and academic writing support in real time in Word, Google Docs, and web
  • Grammar-focused alternative to Grammarly for scientific and academic writing

Details Visit site (opens in a new tab)

Phrase TMS

Editing & paraphrasing

Translation management system for translation and localization teams with translation memory, AI-assisted machine translation and automated quality assurance.

Free accessFree trial
Paid fromFreelancer · 27 $1 TMS seat, no Strings seats, and access to all Phrase products at basic capacity
  • Translation management system (TMS) with translation memory and quality checks
  • AI-assisted machine translation and customisable workflows

Details Visit site (opens in a new tab)

Predis.ai

Writing & marketing content

Generate, analyse, schedule, and publish social posts, carousels, ads, and videos.

Free accessFree trialFree for seven days; no charge until it ends, credit allowance unpublished.
Paid fromCore · Not verified for this market1,300 credits/month
  • Generate social images, ads and videos
  • Brand profiles for colours and design

Details Visit site (opens in a new tab)

querying.ai

SEO & content optimisation

API for GEO: real answers from seven AI search engines, source analysis and brand monitoring.

Free accessOne-off free allowance
Paid fromBasic · $2010,000 credits per month
  • ChatGPT, Gemini, Perplexity, Google AI Overviews and AI Mode plus Naver AI Brief and AI Tab in one API
  • 2,000 free credits without a card

Details Visit site (opens in a new tab)

QuillBot

Editing & paraphrasing

Paraphrase, summarise, and check text for plagiarism.

Free accessFree planFree: 125 words per paraphrase, 1,200 per summary, 20 AI chats and 3 images per day.
Paid fromPremium · Not verified for this marketRegular list price before temporary promotional discounts
  • Paraphraser rewrites text up to 125 words for free, unlimited in the premium tier
  • Summariser condenses content up to 6,000 words with multiple output modes

Details Visit site. Advertising link: we receive a commission if you subscribe. The price is the same for you. (opens in a new tab)

Reputation

SEO & content optimisation

Enterprise platform for multi-location online reputation management: centralizes reviews from 150+ platforms, automates review requests, and provides AI-assisted reply suggestions and sentiment analysis.

Free accessNo free plan published
Paid fromRep Core · 80 $Review management (collection, requests, AI-assisted replies)
  • Collect and manage reviews from 150+ platforms in one place
  • Automated review requests and AI-assisted reply suggestions

Details Visit site (opens in a new tab)

Rytr

Writing & marketing content

Generate short-form marketing copy in defined tones.

Free accessFree plan10,000 characters/month in one language.
Paid fromUnlimited · $7.50Unlimited text generation
  • Over 40 predefined use cases and 20 tones for marketing copy
  • Free entry with 10,000 AI text characters per month

Details Visit site (opens in a new tab)

Scalenut

SEO & content optimisation

Track brand visibility in AI search and create, optimise, and audit GEO content.

Free accessFree trial7 days; no permanent free tier.
Paid fromStarter regular · $5910 AI-visibility prompts with weekly refresh
  • Track brand visibility in AI search responses (ChatGPT and Google AI Overviews)
  • Starter tier: 10 AI-visibility prompts per week and 5 new plus 5 optimised GEO articles per month

Details Visit site (opens in a new tab)

SE Ranking

SEO & content optimisation

SE Ranking is an all-in-one SEO platform with rank tracking, keyword research, backlink analysis, site audits, and an AI Search add-on.

Free accessFree trialFree for 14 days with no credit card; up to 10 projects, 750 keywords, and 20 AI prompts per day in the trial.
Paid fromCore · $103.20 / $12910 projects
  • All-in-one SEO with rank tracking, keyword research, backlink analysis and site audits
  • Core: 10 projects, 1 manager seat, 2,000 keywords tracked daily, 250,000 pages audited/month

Details Visit site (opens in a new tab)

Semrush Content Toolkit

SEO & content optimisation

Find SEO topics, create briefs and articles, optimise them, and publish directly to WordPress.

Free accessFree plan50 rewrites/month in free extension; full toolkit has a 7-day trial.
Paid fromContent Base · $60Unlimited standard articles
  • Topic ideas and SEO briefs from Semrush data
  • AI article drafts, rewriting, and integrated chat

Details Visit site (opens in a new tab)

Silktide

Active · enterprise only

SEO & content optimisation

UK web-governance platform that checks accessibility (WCAG), SEO and content quality in one interface, with an AI assistant that explains findings in plain language and suggests fixes.

Free accessFree plan
Paid fromSilktide Platform (custom pricing) · contact salesNo public price: the pricing page states verbatim that cost depends on website size, support needs and required modules
  • Silktide AI explains accessibility and content findings in plain language and suggests alt text, meta descriptions and SEO improvements
  • Accessibility (WCAG 2.2), SEO and content governance in one interface

Details Visit site (opens in a new tab)

Sistrix

SEO & content optimisation

Sistrix is an SEO platform for the German-speaking market with a visibility index, keyword research, content marketing tools and link analysis.

Free accessFree trial
Paid fromStart · 119 €1 user account
  • Visibility Index (VI) as a single metric for SEO performance in German-speaking markets
  • Keyword research, domain analysis, backlink directory, and on-page check in one interface

Details Visit site (opens in a new tab)

Smartcat

Editing & paraphrasing

AI platform for content translation and creation into 280+ languages, combined with a marketplace of human translators/editors.

Free accessFree trial
Paid fromAdapt · 1.200 $Chief of Staff coworker
  • AI translation platform for over 280 languages with industry-specific glossaries
  • Translation memory and termbase for consistent brand terminology across all projects

Details Visit site (opens in a new tab)

SparkToro

SEO & content optimisation

Audience intelligence platform showing which websites, podcasts, social profiles and publications a target audience uses.

Free accessFree plan
Paid fromPersonal · 50 $ / Monat4 reports/month
  • Audience intelligence shows which websites, podcasts, social profiles, and YouTube channels a target group uses
  • Influencer and publisher search for media and outreach planning

Details Visit site (opens in a new tab)

Sudowrite

Writing & marketing content

Develop novels and screenplays with Story Bible, brainstorming, scene drafting, and fiction models.

Free accessFree trial14 days without card; then no AI features without paid plan.
Paid fromHobby & Student · $10 / $19225,000 credits/month
  • AI writing assistant specifically for novels and screenplays with Story Bible integration
  • Brainstorming, scene development, description generator, and AI-powered rewriting

Details Visit site (opens in a new tab)

Surfer

SEO & content optimisation

Plan and optimise SEO content using search intent, SERP data, and a content score.

Free accessFree trial7-day free trial of the Pro plan for new accounts, then paid; no permanent free tier.
Paid fromDiscovery · $49120 documents per year to create or optimize on annual billing
  • Plan SEO content from search intent and SERP data
  • Content Score and guidelines while you write

Details Visit site (opens in a new tab)

TubeBuddy

SEO & content optimisation

Browser extension and dashboard for YouTube channel management with keyword/tag research, an AI-assisted Title Generator and thumbnail tools.

Free accessNo free plan published
Paid fromPro · 3,99 $ / 4,99 $Basic video/thumbnail tools
  • Manage YouTube channels from a browser extension and dashboard
  • Keyword and tag research for videos

Details Visit site (opens in a new tab)

Undetectable.ai

SEO & content optimisation

AI humanizer that rewrites AI-generated text so detectors such as Turnitin or Copyleaks no longer flag it as AI-generated.

Free accessFree trial
Paid fromStarter · 9,99 $ / 60 $10,000 words per month
  • AI humanizer rewrites AI text so common detectors are less likely to flag it as AI
  • Compatible with checkers such as Turnitin and Copyleaks per the vendor

Details Visit site (opens in a new tab)

vidIQ

SEO & content optimisation

AI-powered YouTube tool for keyword and trend research, optimization tips, thumbnail generation and an AI coach for channel growth.

Free accessFree plan
Paid fromBoost · 16,58 Euro2,000 AI credits/month, thumbnail creation
  • Keyword and trend research tailored for YouTube channels
  • AI coach for channel growth and video optimisation tips

Details Visit site (opens in a new tab)

Wordtune

Editing & paraphrasing

Rewrite, correct, improve fluency, and summarise English text.

Free accessFree plan10 rewrites/day and three summaries/month.
Paid fromAdvanced · $6.99 / $4.8930 rewrites and AI suggestions/day
  • Sentence rephrasing, tone adjustments, and expansions for existing text
  • AI summaries and key points from pasted web content

Details Visit site (opens in a new tab)

Writesonic

Writing & marketing content

Research, write, optimise, and monitor SEO articles for search and AI-generated results.

Free accessFree trial7-day free trial, no credit card; no permanent free plan.
Paid fromStarter · $79ChatGPT, Gemini, Google AI Overviews
  • Track brand mentions in ChatGPT, Gemini and Google AI Overviews
  • Write SEO articles and optimise existing content

Details Visit site (opens in a new tab)

Alphabetical order. This is not a quality ranking.

Comparison criteria

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Methodology

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Result lists are alphabetical by default and can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Is this a ranking?

No. Result lists are alphabetical by default and can be switched to Free access first. We do not award stars or a test winner.

Do you estimate missing prices?

No. Missing figures stay marked as not published. The current vendor page always wins.

How do you sort the tools?

Result lists are alphabetical by default and can be switched to Free access first. This is not a quality ranking.