Viper AlternativesPlagiarism Checkers and other similar apps like Viper

Viper is described as 'The plagiarism checker of choice! It scans over 10 billion resources, has an easy-to-use interface and highlights areas of plagiarism - totally free!' and is a plagiarism checker in the education & reference category. There are more than 25 alternatives to Viper for a variety of platforms, including Web-based, Windows, Google Chrome, SaaS and Wordpress apps. The best Viper alternative is Originality.AI. It's not free, so if you're looking for a free alternative, you could try plagramme or Crossplag. Other great apps like Viper are Turnitin, PlagiarismSearch, iThenticate and Unicheck.

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Alternatives list

  1. Originality.AI icon

    Originality.AI

     2 likes
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    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 originality in content management workflows.

    62 Originality.AI alternatives

    Cost / License

    • Pay once or Subscription
    • Proprietary

    Application types

    Platforms

    • Online
    Originality.AI screenshot 1
     

    • Originality.AI is the most popular Web-based alternative to Viper.

    • Originality.AI is the most popular commercial alternative to Viper.

    • Originality.AI is Paid and ProprietaryViper is also Paid and Proprietary
  2. Turnitin icon

    Turnitin

     5 likes
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    Turnitin is an Internet-based plagiarism-detection service created by iParadigms, LLC. It prevents plagiarism by using a proprietary algorithm to compare submitted papers to papers within its own database and several other large academic databases.

    34 Turnitin alternatives

    Cost / License

    • Pay once
    • Proprietary

    Application type

    Platforms

    • Online
    • iPad
    this is what you get after you upload the paper.
     

    • Turnitin is the most popular iPad alternative to Viper.

    • Turnitin is Paid and ProprietaryViper is also Paid and Proprietary
  4. PlagiarismSearch icon

    PlagiarismSearch

     13 likes
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    Plagiarism detection platform uses multilayer analysis for accurate checking, supports all common text formats, and provides editing, rewriting, and proofreading services for students, educators, writers, and editors needing confidential document review.

    55 PlagiarismSearch alternatives

    Cost / License

    • Pay once or Subscription
    • Proprietary

    Application type

    Platforms

    • Online
    PlagiarismSearch screenshot 1
     
  5. Ad
    Screenshot
    PlagiarismSearch icon
    PlagiarismSearch

    Plagiarism detection platform uses multilayer analysis for accurate checking, supports all common text formats, and provides editing, rewriting, and proofreading services for students, educators, writers, and editors needing conf...

    https://www.plagiarismsearch.com
    Learn More
  7. Unicheck icon

    Unicheck

     43 likes
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    Unicheck (ex. Unplag) is an accurate plagiarism detection engine. Fast as light, Unplag performs real-time check against real-time web index.

    Cost / License

    • Subscription
    • Proprietary

    Application type

    Platforms

    • Online
    Unicheck screenshot 1
     
  8. WP Copy Defender icon

    WP Copy Defender

     1 like
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    Protect your content from being copied. Install this plugin for WordPress to prevent unauthorized copying, ensuring your valuable content remains secure and protected.

    Cost / License

    • Pay once
    • Proprietary

    Platforms

    • Online
    • Wordpress
    Settings - part 1/4
     
  10. plagramme icon

    plagramme

     11 likes
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    Professional plagiarism checker that reviews over 14 trillion web pages, articles, books, and periodicals to help you detect possible plagiarism in your papers. It finds not only copy paste plagiarism, but paraphrasing, good and bad citations.

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Platforms

    • Online
    homepage
     
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    8

    • Almost everyone thinks plagramme is a great Viper alternative.

    • plagramme is the most popular free alternative to Viper.

    • plagramme is Freemium and ProprietaryViper is Paid and Proprietary
  11. Crossplag icon

    Crossplag

     9 likes
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    Crossplag™ is the most holistic tool for plagiarism checking dedicated to democratizing plagiarism checking while enabling users to have full ownership and control over their data.

    31 Crossplag alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Online
    Homepage
     
  12. Plagiarisma icon

    Plagiarisma

     3 likes
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    Plagiarisma.Net is a free online plagiarism checker and duplicate content finder. Check your txt,html,rtf,doc,odt,docx,pdf files.

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Platforms

    • Windows
    • Online
    • Android
    • Blackberry
    • Google Chrome
    • Firefox
    Plagiarisma screenshot 1
     

    • Plagiarisma is the most popular Windows & Android alternative to Viper.

    • Plagiarisma is Freemium and ProprietaryViper is Paid and Proprietary
  13. Plagius icon

    Plagius

     1 like
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    Plagius - Plagiarism Detector is a software that analyzes documents on the Internet searching for occurrences of suspected plagiarism.

    32 Plagius alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    Plagius screenshot 1
     
  14. PlagiaShield icon

    PlagiaShield

     2 likes
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    Fight plagiarism. Rank better.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    PlagiaShield: scan your domain to find plagiarism.
     

    • PlagiaShield is the most popular SaaS alternative to Viper.

    • PlagiaShield is Free and ProprietaryViper is Paid and Proprietary
  15. PlagiarismCheck.org icon

    PlagiarismCheck.org

     7 likes
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    PlagiarismCheck.org helps educators and students all around the world to support academic honesty.

    Cost / License

    • Subscription
    • Proprietary

    Application type

    Platforms

    • Online
    • Moodle
    • Google Chrome
    • Google Drive - Docs
    • Instructure Canvas
    Report marks plagiarism, quotes and references.
     
12 of 29 Viper alternatives