Viper Alternatives

Viper has been discontinued. Similar apps include Curasynth, which has a free version. Other options are Originality.AI, Turnitin, iThenticate and PlagiarismSearch. You're spoiled for choice with Plagiarism Checkers like Viper: we list more than 25 alternatives for the web, Windows, Mac, Android and iPad.

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Alternatives
Viper alternatives page was last updated

Alternatives list

  1. Novus Scan Plagiarism Checker icon

    Novus Scan Plagiarism Checker

     Like

    Novus Scan is a tool for teachers, editors and writers, enabling you to find text that has been copied between documents. Novus Scan will compare text to the documents in your database and show you any matching text.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    Novus Scan Plagiarism Checker screenshot 1
    Good alternative?
     
  2. Dupli Checker icon

    Dupli Checker

     Like

    Premium-quality SEO and text analysis tools.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • GB flagUnited Kingdom
    Dupli Checker screenshot 1
    Good alternative?
     
  4. CopyDetect icon

    CopyDetect

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    CopyDetect is an online plagiarism checker that helps writers, students, bloggers and businesses keep their content 100% original. You can paste text, upload documents or check live URLs to find duplicated content before publishing.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    • Online
    • IN flagIndia
    CopyDetect’s main dashboard where users can paste or upload text files to check for plagiarism or AI-generated content. Supports file uploads, Google Drive, and Dropbox with a 2500-word limit per search (Limit After Login Changes).
    Good alternative?
     
  5. Ad
    Screenshot
    Originality.AI icon
    Originality.AI

    Detects plagiarism and AI-generated text for online publishers, agencies, and website buyers, supporting full site scans, team collaboration, user-specific scan histories, and automated billing to ensure authenticity and original...

    https://originality.ai
    Learn More
  6. Quetext icon

    Quetext

     Like

    Plagiarism Checker by Quetext. Our proprietary DeepSearch™ plagiarism checker searches for similarities across billions of documents

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    Good alternative?
     
  9. Urkund icon

    Urkund

     1 like

    Use URKUND – the most precise plagiarism checker and detector in the world accordning to numerous studies.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    Good alternative?
     
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