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THE DIRECTORY / 20 TOOLS / 10 WITH A FREE PLAN

AI writing & plagiarism checks

Draft posts and copy with AI, and check text for plagiarism before you publish.

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Best AI writing tools for creators, plus a plagiarism check (2026)

Read the buying guide
20 toolsFree plans first, then price

Marketing copy

8 tools

Writing assistants

6 tools
  • Wordtune

    AI reading and writing assistant for paraphrasing, rewriting, and summarization

    Freemium

    from $6.99/mo

    Free plan: 10 Rewrites & AI suggestions

    No Trustpilot score listedPricing page
  • Grammarly

    AI writing assistant providing grammar corrections, rewriting suggestions, and style adjustments

    Freemium

    from $12/mo

    Free plan: 100 prompts / month

    No Trustpilot score listedPricing page
  • HyperWrite

    Provides autocomplete suggestions, text editing, and research assistance for writers

    Partner
    Freemium

    from $19.99/mo

    Free plan: Limited monthly credits

    No Trustpilot score listedPricing page
  • ChatGPT

    Generates conversational text, assists writing, and performs multimodal reasoning

    Freemium

    See pricing

    No free plan listed

  • Sudowrite

    Generates creative story ideas, outlines, and prose for fiction authors

    Free trial

    from $10/mo

    Trial: Trial, no card

  • WordAi

    AI text rewriter that rewrites complete sentences to improve content uniqueness

    Free trial

    from $17/mo

    Trial: 3-day trial

    No Trustpilot score listedPricing page

Plagiarism and AI checks

6 tools
  • Copyscape

    Web search service detecting duplicate content and online copyright theft

    Freemium

    from $4.95/mo

    Free plan: Free web page search

    No Trustpilot score listedPricing page
  • Originality.ai

    Plagiarism detection and AI content checker for web publishers and creators

    Freemium

    from $14.95/mo

    Free plan: 100 credits one time

    No Trustpilot score listedPricing page
  • Plagramme

    Online plagiarism and AI content detection system with detailed similarity scores

    Freemium

    from $14.95/mo

    Free plan: Free originality scores

    No Trustpilot score listedPricing page
  • Quetext

    Detects plagiarism and AI generated content with citation generation features

    Partner
    Freemium

    from $14.99/mo

    Free plan: Checks up to 1,000 words

  • Copyleaks

    Cloud platform for AI detection, plagiarism checking, and content authenticity verification

    Paid

    from $16.99/mo

    No free plan listed

    No Trustpilot score listedPricing page
  • Scribbr

    Academic plagiarism checker using Turnitin database comparison technology

    Paid

    See pricing

    No free plan listed

    No Trustpilot score listedPricing page