Softwares like Turnitin and IThenticate serve the purpose for the plagiarism check of the documents, but they have their own databases to check from and compare with the provided document.

According to the https://uwaterloo.ca/academic-integrity/integrity-instructors-and-tas/turnitin-and-ithenticate,

Turnitin can be used as both a plagiarism tool and an educational tool. Turnitin generates ‘similarity reports’ on student submissions which can provide instructors with information about plagiarized sources. The reports can also be used as part of a formative or low-stakes assessment to help students understand the proper use of quotation marks, how to cite sources properly, and how to paraphrase.

iThenticate is plagiarism detection software that is designed to be used by researchers to ensure the originality of written work before publication. For example, graduate students and researchers can check their articles and book chapters to be submitted for publication, grant proposals, theses and dissertations.

These softwares are usually not available to the working professionals outside academia.

Are there any good softwares which can be used to check plagiarism in LORs and SOPs?

  • 1
    Authors should never need to use software to check for plagiarism. Aug 29, 2020 at 13:40
  • @ Anonymous Physicist, why so? Aug 29, 2020 at 13:58
  • 1
    @DeepakTatyajiAhire Because if you wrote a paper, you wrote it yourself, and then it will not contain parts which have been plagiarized from somewhere else. You shouldn't take someone else's paper - regardless how well it is written - and start to change it until it no longer looks like plagiarized. Same solds for SOPs and so forth.
    – user151413
    Aug 29, 2020 at 14:42
  • Would Turnitin really refuse to accept a customer from outside academia? Aug 29, 2020 at 14:48
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    @DanielHatton Song tunes are rather different from several page long scientific papers. No-one is talking about having one sentence or so identical to a sentence found somewhere else. Differently speaking: Any kind of "unintentional plagiarism" as you describe is not plagiarism. It's the kind of thing which you know when you see it.
    – user151413
    Aug 29, 2020 at 15:05

1 Answer 1


If a statement of purpose or a letter of recommendation is so generic that it could legitimately have been written about two different applicants, it's a pretty bad one to start with. I honestly don't see the point. And to answer the question, no, to my knowledge, there is no such database.

  • Note that since statements of purpose contain personal information, building such a database would likely be illegal in various jurisdictions including most of the EU.
    – TimRias
    May 15 at 8:10

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