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    Turnitin

    Ensuring originality and integrity in academic writing.

    Turnitin

    Ensuring originality and integrity in academic writing.

    Tool Introduction

    Turnitin is a web-based platform that helps maintain academic integrity by checking submitted work for potential plagiarism. It compares documents against a large, constantly updated database of academic sources, internet content, and student papers. The service highlights similarities and supports educator feedback through integrated grading tools. Used by over 16,000 institutions worldwide and serving more than 71 million students, Turnitin also includes AI-generated content detection, although its reliability is debated in some academic circles.

    Demo Available?

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    Tool's Accuracy

    Turnitin reports up to 98% accuracy in detecting AI-generated content with a 1% false positive rate. A third-party study found 86% overall success, including 93% for

    Aggregate Rating

    4.2/5 stars (estimated from informal sources and limited reviews).

    Detailed Overview

    Turnitin detects text similarity in student work using a vast content database and offers integrated grading features.

    What Turnitin Does

    Turnitin analyzes submitted documents for matching text using a proprietary database of journals, websites, books, and past submissions. It generates an originality report with highlighted matches and a percentage score. Educators use these reports to evaluate possible plagiarism but make final judgments themselves. Additional tools include GradeMark for online grading, PeerMark for peer reviews, and AI content detection features. The platform integrates with major learning management systems (LMS).

    Who Turnitin is for

    Turnitin serves educators at all levels—teachers, professors, teaching assistants—and their students. Academic administrators also use it across entire institutions. Publishers and research organizations rely on its iThenticate product to screen manuscripts before review or publication.

    Top Differentiators

    • Extensive Database: Includes proprietary academic content and past submissions.
    • Integrated Tools: Offers grading and peer review within the same platform.
    • AI Detection Feature: Attempts to identify generative AI-written text.
    • Institutional Reach: Used by large numbers of global educational organizations.
    Introductory Video
    Founding Year

    1998

    Target Industry

    B2B, Education, Publishing, Research

    Available Integrations
    • Moodle: Turnitin integrates directly with Moodle to support assignment submission, file management, and access to similarity reports within the LMS.
    • Brightspace by D2L: The platform embeds Turnitin’s Similarity Report and Online Grading tools in the Assignments module for grading and feedback.
    • Schoology: Integration supports cloud-based submissions, including from Google Drive, though availability can vary by document type.
    • Microsoft Office 365: Through Draft Coach in Word Online, users receive real-time similarity checks and writing feedback after administrative setup.
    • Google Workspace: Supports assignment submission and feedback workflows across K–12 and higher education environments.
    • Canvas, Blackboard, Sakai: These platforms connect using LTI or API frameworks for embedded grading and reporting features.
    • Basic Plan: $6.59/month or $9.90 one-time. Includes 1 credit per month or per purchase. Each credit delivers plagiarism and AI reports. Papers are not stored in the database.
    • Pro Plan: $14.09/month or $42.00 one-time. Includes 5 credits per month or per purchase. Each scan costs $2.82 with the monthly option. Provides plagiarism and AI reports with no database storage.
    • Ultra Plan: $24.92/month or $69.00 one-time. Includes 10 credits per month or per purchase. Each scan costs $2.49 with the monthly option. Offers plagiarism and AI reports without storing papers in the database.

    All plans include automatic deletion of reports after 24 hours, with copies sent to your email.

    Reference lists are excluded from duplication rates by default on all plans.


    Pricing last verified: 01/23/2026
    Official Source: https://www.turnitindetector.com/pricing
    Disclaimer: Pricing is subject to change. Please confirm current pricing on the vendor site.
    Features & Specs
    • Similarity Detection: Highlights matched text in submissions using a broad database; provides similarity scores.
    • Feedback and Grading Tools: Instructors can annotate directly in the document using GradeMark.
    • Peer Review: PeerMark allows structured student-to-student evaluations.
    • AI Content Detection: Flags possible AI-generated text; accuracy varies across institutions.
    • Supported Formats: Accepts Word (.doc/.docx), PDF, plain text (.txt), among others; format support may vary by integration.
    • Integration: Works with major LMS platforms via LTI standards like Canvas, Moodle, and Blackboard.
    • Database Scope: Covers web sources, scholarly publications, books, and previous student submissions.
    • Performance: Built to support large-scale institutional use; specific latency details are not shared publicly.
    • API/SDK Availability: APIs available for institutional integration; rate limits not specified.
    Security & Compliance

    Turnitin uses industry-standard encryption for data in transit and at rest. The platform supports Single Sign-On (SSO) for institutional access. Role-based access control enables institutions to manage user permissions. Submitted papers are retained to prevent future plagiarism; removal is available upon request, though policies are not fully detailed. Turnitin does not use student papers to train generative AI models.

    Industry Use-Cases

    Higher Education

    Turnitin helps instructors detect unoriginal student work by generating originality reports from submitted assignments. This supports academic integrity and simplifies grading, especially in large classes.

    Publishing/Research

    Turnitin’s iThenticate is used by publishers to screen manuscripts for plagiarized or recycled content before peer review. It strengthens editorial standards and protects intellectual property.

    K-12 Education

    Teachers use Turnitin to guide students on citation and originality. Formative feedback improves writing skills and lowers the chance of accidental plagiarism.

    Tool's Alternatives

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    Scribbr
    Scribbr uses Turnitin's database but targets individual users. It offers detailed similarity comparisons and self-plagiarism detection. It charges per use, which may limit institutional adoption.

    Copyleaks
    Copyleaks supports multiple languages and source code detection. Its reports include original source links. The free version is limited; full features need a subscription.

    Unicheck
    Unicheck emphasizes data security and real-time content scanning. It supports many languages but some users find its reports less clear than Turnitin's.

    Viper
    Viper provides unlimited resubmissions with a large source database. It is accessible with free scan options but less accepted by institutions than Turnitin.

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    Frequently Asked Questions

    What does Turnitin check for in submitted documents?
    Turnitin checks for text similarity against academic sources, internet content, and past student submissions. It highlights matching text and provides a similarity percentage to help educators assess originality.

    Which formats does Turnitin support for document uploads?
    Turnitin supports Word (.doc/.docx), PDF, and plain text (.txt) files. Supported formats may vary depending on the platform integration used.

    How accurate is Turnitin’s AI-generated content detection?
    Turnitin reports up to 98% accuracy in detecting AI-generated content with a 1% false positive rate. Third-party evaluations have shown 86% overall success, including 93% on some tests.

    What plans are available and how many checks come with each?
    The Basic Plan costs $9 per month with 10 checks. The Pro Plan is $18 monthly with 20 checks. Ultra costs $35 per month and includes 40 checks. None store papers in Turnitin’s database.

    Does Turnitin integrate with learning management systems (LMS)?
    Yes, Turnitin integrates with major LMS platforms like Canvas, Moodle, Blackboard, Schoology, Brightspace by D2L, and Sakai using LTI standards or APIs.

    Can instructors provide feedback directly within Turnitin?
    Instructors can use GradeMark to add comments and grades directly on student submissions. PeerMark enables structured peer review among students within the same platform.

    Who typically uses the Turnitin platform?
    Turnitin is used by teachers, professors, teaching assistants, students, academic administrators, publishers, and research organizations across K–12 education, higher education, and scholarly publishing.

    What security measures does Turnitin use to protect data?
    Turnitin uses encryption for data in transit and at rest. Role-based access control manages permissions. The service supports Single Sign-On (SSO) for institutional access.

    Are submitted papers stored in the database by default?
    Institutional submissions are retained to prevent future plagiarism. For individual users on subscription plans like Basic or Pro, papers are not stored in the database.

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