Check-Plagiarism vs StrikePlagiarism
Check-Plagiarism
check-plagiarism.com
StrikePlagiarism
strikeplagiarism.comSide by side
| Figure | Check-Plagiarism | StrikePlagiarism |
|---|---|---|
| Price from | $4.17/mo | — |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 10 | 4 |
| Spec score · AI Plagiarism Checkers | 8.7 (#7) | 7.8 (#13) |
| Integrations | The API page says the API can integrate with any CMS and names WordPress, widgets, and Android among supported platforms. | Listed integrations include Moodle, Canvas, Blackboard, Brightspace, Schoology, OJS, Google Classroom and Microsoft Teams, with API, LTI 1.3, LDAP and SSO options. |
| Purpose | The service checks text for plagiarism and reports duplicated sections, similarity percentages, and matching sources. | StrikePlagiarism is an academic integrity system for detecting text similarity, paraphrasing and AI-generated content. |
| Support | The API page advertises 24/7 support for selected API tiers and offers contact for integration questions. | The site states that institutional support is available in 15+ languages and offers 24/7 availability by email, phone and secure communication channels. |
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
StrikePlagiarism
- Individual token$2.50, paid once
- Corporate price per accountPriced on request
- Corporate price per documentPriced on request
- Corporate price per pagePriced on request
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.
StrikePlagiarism
StrikePlagiarism has no write-up on Specifiction yet; its figures are above.