PlagiarismCheck
PlagiarismCheck.org is a cloud-based plagiarism and AI-content detection platform serving K-12 schools, higher education institutions, students, and businesses globally via a self-serve web product, native LMS integrations, and a developer API.
- Company typePrivate
- Founded2011
- HeadquartersLondon, United Kingdom
- Headcount51–100
- GTM typeB2B and B2C
- OfferingSoftware
What PlagiarismCheck does
PlagiarismCheck.org is a cloud-based plagiarism and AI-content detection platform founded in 2011 and headquartered in London, with operations supporting a global user base across 72 countries. The platform serves K-12 schools, higher education institutions, individual teachers and students, content creators, and businesses through both a self-serve web product and dedicated plans for organizations. Its core offering combines traditional plagiarism matching against extensive web and proprietary databases with the TraceGPT AI detector, which claims 99% accuracy in identifying text generated by large language models such as ChatGPT and GPT-4. A proprietary Fingerprint module performs authorship verification by comparing submissions to a student's prior writing style, intended to surface ghostwriting — a feature the company presents as unique among plagiarism checkers.
The product stack is built around semantic similarity algorithms rather than exact-match comparison, detecting paraphrasing, word substitution, sentence rearrangement, and active-to-passive transformations. Supporting modules include a citation generator, grammar checker, essay grader, and topic generator. Distribution is anchored by native integrations with seven major learning management systems (Canvas, Moodle, Google Classroom, Schoology, Brightspace, Populi, with Blackboard in development), a Google Docs Add-on via the Google Workspace Marketplace, a Chrome extension, and a developer API.
The business model is subscription-based across individual tiers ($5.99 to $45.49 per month) and annual enterprise contracts for K-12, higher education, research, and corporate customers, supplemented by custom-priced API access. Go-to-market mixes a PLG self-serve funnel with field-sales outreach for institutional clients and channel-led distribution through LMS partners; the company is also a verified Google Cloud Partner. Ownership is founder/management-controlled with no disclosed venture or private equity investment, M&A activity, or public-market events in the available data.
PlagiarismCheck firmographics
Firmographics- Name
- PlagiarismCheck
- Legal name
- PlagiarismCheck.org
- Website
- https://plagiarismcheck.org
- Company type
- Private
- Founded year
- 2011
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- PlagiarismCheck.org is a cloud-based plagiarism and AI-content detection platform serving K-12 schools, higher education institutions, students, and businesses globally via a self-serve web product, native LMS integrations, and a developer API.
- Ownership category
- akta.pro rank
PlagiarismCheck industry classification
Industry- Product category
- Plagiarism Detection Software
- NAICS
- Software Publishers (513210)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Plagiarism Detection & Similarity Checking (EDAFALAA)
- akta.pro secondary industry
- AI-Generated Content Detection & Authorship Verification (EDAFALAB)
Keywords
Where PlagiarismCheck is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Markets served
PlagiarismCheck business model
Business model- GTM type
- B2B and B2C
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations
Revenue model
- Individual Subscription Plans: Four tiered subscription plans (Basic, Light, Standard, Premium) ranging from $5.99 to $45.49. Free check available (2 pages). Subscription-based recurring revenue.
- Organizational/Enterprise Plans: Advanced and PRO subscription plans for K-12 schools, higher education institutions, research institutions, and businesses. Custom pricing based on organizational needs.
- API Access: Plagiarism Check API offered for developers at custom pricing.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Basic Individual Plan |
| Subscription | Monthly | Light Individual Plan |
| Subscription | Monthly | Standard Individual Plan |
| Subscription | Monthly | Premium Individual Plan |
| Subscription | Annual | Advanced Organization Plan |
| Subscription | Annual | PRO Organization Plan |
Go-to-market motion3 records
Distribution channels5 records
Marketing channels6 records
PlagiarismCheck product offering
Product offeringCore offering
PlagiarismCheck.org provides a cloud-based plagiarism detection and AI content identification platform that scans text against extensive databases and websites to detect exact matches, paraphrasing, word substitutions, sentence rearrangements, and AI-generated content (via TraceGPT). The platform is delivered through individual subscriptions (Basic $5.99 to Premium $45.49 monthly), organizational plans for K-12, higher education, and corporate customers, and an API for developers, with native integrations into major learning management systems and a Chrome extension.
Product overview
PlagiarismCheck.org is a platform offering plagiarism detection and AI content identification services primarily for educational institutions, students, and content creators. The core product is the Plagiarism Checker which works in conjunction with the TraceGPT AI Detector to identify both copied content and AI-generated text. Additional writing tools include Citation Generator, Grammar Checker, Essay Grader, and Topic Generator. The Fingerprint feature provides authorship verification through writing style analysis. The platform offers LMS integrations with Canvas, Moodle, Google Classroom, Schoology, Brightspace, Populi, and Blackboard, plus a Chrome Extension and API access for developers. Pricing includes individual plans (Basic $5.99, Light $9.99, Standard $25.49, Premium $45.49) and organizational plans for K-12, Higher Education, and business clients.
Differentiator
Problem solved
Functional benefit
Brands
- TraceGPT: AI content detector that identifies AI-generated text with 99% accuracy.
- Fingerprint
- Plagiarism Checker Chrome Extension
Products and services
- Plagiarism Checker Main plagiarism detection tool that scans text against extensive databases and websites to identify copied or paraphrased content for students, teachers, institutions, and businesses.
- TraceGPT AI Detector AI content detector that identifies text generated by ChatGPT, GPT-4, and other AI writing tools with claimed 99% accuracy, using multiple unique author models including perplexity detection.
- Citation Generator Automated citation tool that generates properly formatted citations in multiple styles (APA, MLA, Chicago, etc.) from website URLs, books, articles, and other sources for students and writers.
- Grammar Checker
- Essay Grader
- Topic Generator
- Plagiarism Checker Chrome Extension Browser extension enabling users to check any web content for plagiarism directly from the Chrome browser without needing to visit the main website.
- Plagiarism Check API
Quantifiable outcome
- 99% accuracy in detecting AI-generated content
- +3 more outcomes
Companies that use PlagiarismCheck
Customer profileNamed customers15 records
Segments6 records
Ideal customer profiles4 records
PlagiarismCheck technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration9 records
AI capability5 records
Feature8 records
PlagiarismCheck partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core, major and supporting.
- CanvascoreNative integration with Canvas LMS allowing seamless plagiarism checking within the Canvas environment. Students and teachers can submit work directly through Canvas.
- MoodlecoreNative integration with Moodle LMS enabling plagiarism detection capabilities within the Moodle platform.
- Google ClassroomcoreIntegration with Google Classroom for easy assignment submission and plagiarism checking workflow within the Google ecosystem.
- SchoologycoreNative integration with Schoology LMS for plagiarism checking within the platform.
- Brightspace (D2L)coreIntegration with Brightspace LMS (by D2L) for plagiarism detection capabilities.
- BlackboardmajorBlackboard integration listed as coming soon, expanding LMS integration portfolio.
- PopulisupportingIntegration with Populi LMS for plagiarism checking capabilities.
- Google WorkspacecoreGoogle Docs Add-on available through Google Workspace Marketplace, verified Google Cloud Partner. Deep integration with Google productivity tools.
- Google CloudcoreOfficial Google Cloud Partner with verified partner status through Google Cloud Partner Advantage Program.
Scale indicators9 records
Recent moves6 records
Expansion highlights6 records
PlagiarismCheck competitors and assessment
Company assessmentBroad incumbents
- Turnitin: Academic-integrity incumbent serving K-12 and higher ed with plagiarism detection plus a growing AI-writing detection layer. It is the closest comp to PlagiarismCheck's education GTM and a major competitor in any institutional deal.
- Grammarly: Major writing assistance platform with plagiarism checking layered in. Not a direct rival on academic integrity alone, but a broader incumbent with overlapping educator and student users and large R&D and distribution resources.
Direct peers
- iThenticate: Plagiarism and originality checking tool owned by Turnitin and aimed at researchers, publishers, and academic institutions. It overlaps with PlagiarismCheck on the algorithmic core and institutional customer base.
- Copyleaks: Cloud-based plagiarism and AI-content detection platform sold into education and enterprise via API and LMS integrations. Direct competing bundle of plagiarism + AI detection across the same segments.
- Originality.ai: AI content detection and plagiarism tool focused on web publishers, content marketers, and educators. Competes head-on with PlagiarismCheck's TraceGPT and plagiarism checker capabilities.
- GPTZero: AI text detection platform widely used in education to flag AI-generated writing. Targets the same educator buying motion as PlagiarismCheck and is a primary substitute for TraceGPT.
- Unicheck: Plagiarism detection service for education with LMS integrations; now part of the Turnitin group. Competes directly for institutional deals that PlagiarismCheck is also pursuing.
- Copyscape: Long-standing web plagiarism detection service used by web publishers, SEO teams, and educators. Overlaps with PlagiarismCheck on core similarity-checking technology.
- Quetext: Plagiarism checker with citation assistance sold to students and educators. Closely comparable freemium consumer+student GTM motion and feature set to PlagiarismCheck's individual tier.
Emerging players
- PlagScan: Plagiarism detection service for academic and enterprise users with LMS/API integrations. Smaller-scale competitor with comparable core functionality to PlagiarismCheck's similarity-checker product.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
PlagiarismCheck social profiles
Digital presencePlagiarismCheck compliance and trust
Trust signalCompliance1 record
PlagiarismCheck financial estimates
Financial estimateRevenue estimate
Valuation estimate
PlagiarismCheck leadership team
Management profileNumber of profiles
Profiles2 records
PlagiarismCheck funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
PlagiarismCheck M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about PlagiarismCheck
What does PlagiarismCheck do?
PlagiarismCheck.org provides a cloud-based plagiarism detection and AI content identification platform that scans text against extensive databases and websites to detect exact matches, paraphrasing, word substitutions, sentence rearrangements, and AI-generated content (via TraceGPT). The platform is delivered through individual subscriptions (Basic $5.99 to Premium $45.49 monthly), organizational plans for K-12, higher education, and corporate customers, and an API for developers, with native integrations into major learning management systems and a Chrome extension.
Is PlagiarismCheck a public or private company?
PlagiarismCheck is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was PlagiarismCheck founded?
PlagiarismCheck was founded in 2011. It employs 51 to 100 people.
Where is PlagiarismCheck based?
PlagiarismCheck is headquartered in London, United Kingdom, in the Europe region.
How does PlagiarismCheck make money?
Three revenue lines are on record. Individual Subscription Plans are the primary driver. The others are organizational/Enterprise Plans and API Access.
Who are PlagiarismCheck's main competitors?
Broad incumbents on record are Turnitin and Grammarly. Direct peers are iThenticate, Copyleaks, Originality.ai, GPTZero, Unicheck, Copyscape and Quetext. PlagScan is listed as an emerging player.
Does PlagiarismCheck have an API?
Yes. PlagiarismCheck offers a Plagiarism check API described as the 'World's fastest plagiarism checker' for developers. The API enables programmatic access to plagiarism detection capabilities and AI content detection. Details on API type (REST, GraphQL, etc.), authentication method, rate limits, and versioning are not specified in the available source material. Developer documentation is at plagiarismcheck.org/for-developers.
What industry is PlagiarismCheck in?
PlagiarismCheck's product category is Plagiarism Detection Software. Its primary akta.pro industry code is EDAFALAA, Plagiarism Detection & Similarity Checking, with a secondary code of EDAFALAB, AI-Generated Content Detection & Authorship Verification. Its NAICS code is 513210 and its SIC code is 7372.