Check-Plagiarism vs Turnitin Originality
Check-Plagiarism
check-plagiarism.comTurnitin Originality
turnitin.comSide by side
| Figure | Check-Plagiarism | Turnitin Originality |
|---|---|---|
| Price from | $4.17/mo | — |
| Free plan | — | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Android | Yes | — |
| API | Yes | — |
| Plans published | 10 | 1 |
| Spec score · AI Plagiarism Checkers | 8.7 (#7) | 6.6 (#24) |
| Integrations | The API page says the API can integrate with any CMS and names WordPress, widgets, and Android among supported platforms. | Turnitin Originality and Originality Check can be accessed through Turnitin’s website or an integrated learning management system, and both license types support LTI 1.3 integrations. |
| Purpose | The service checks text for plagiarism and reports duplicated sections, similarity percentages, and matching sources. | Turnitin Originality adds academic integrity capabilities to similarity checking to help institutions address misconduct beyond plagiarism. |
| Support | The API page advertises 24/7 support for selected API tiers and offers contact for integration questions. | Turnitin’s Help Center provides user guides, release notes, a searchable knowledge base, and access to its technical support team. |
Plans
Check-Plagiarism
- Weekly$4.99, paid once
- Annual$8.33 a month
- API Basic$10 a month
- API Company$14.99 a month
- Monthly$14.99 a month
- Semi-Annual$16.66 a month
- API Basic Yearly Plan$50 a year
- API Business$50 a month
- API Company / Webmasters$99.99 a year
- API Business / Colleges / Universities$250 a year
In their own words
Check-Plagiarism
Check-Plagiarism is a plagiarism-checking service for students, teachers, researchers, content creators, and digital publishers. It accepts pasted or typed text and DOC, DOCX, TXT, or PDF uploads, with a listed maximum of 7,000 words per document. The checker reports duplicated passages, sentence-level matches, similarity percentages, and matching sources. Its AI is described as detecting paraphrased or lightly edited text as well as exact matches. The service says it checks billions of web pages and provides access to academic databases and publications, with support claimed for more than 20 languages. Reports can be downloaded or shared, including as PDF. Free online use is available with limited searches; registered accounts can increase the limit. Plans include Monthly at $14.99 a month and Annual at $8.33 a month, billed $99.99 every 12 months. API access and LMS integrations are listed.
Turnitin Originality
Turnitin Originality has no write-up on Specifiction yet; its figures are above.