Grammarly anti-plagiarism checker not finding a previously published paper?

My friend bought the Grammarly anti-plagiarism software, but he says it's no good because it did not pick up his previous paper. Does anyone know why and do you have any other suggestions?

The best and safest to use pick for plagiarism detection (or similarity index), globally, is TurnItIn. Many institutions also go for Viper, etc.

I have had some firsthand experience with Grammarly. Some of my clients study in an institution that has an institutional subscription to Grammarly.

First, it is interesting to note that Grammarly is NOT a plagiarism-detection crawler-type service. It is basically a state-of-the-art (as claimed by the organization) software that carries out a 360 analysis of any text you send them.

The 360 analysis includes everything from spelling, grammar, sentence structure, to style check. One would wonder how a software program can detect error in an idiosyncratic writing style.

In my case, the report never told me what areas of the essays were plagiarized; what it stated with a red exclamation mark was "plagiarism detected!" alert.

Since I knew my papers were 100% original, I convinced the clients to turn those in. To cut short, Grammarly is something that made me laugh at its ridiculously tall claims about quality; in real, it is rather a pompous website probably suitable for school kids.

Why would a student want to buy a subscription to an anti-plagiarism software? Isn't Turnitin available for free to students? If not, taking some direct phrases and pasting them into Google usually works well too.

The free version of turnitin.com is not the complete version that professors are offered. I have seen material flagged later on down the line that made it through the free service, which is, therefore, basically worthless. So is cutting and pasting into Google.

Students can buy the WriteCheck version from the same company. TurnItIn, however, is for institutional subscription.

The more checked documents, the less useful anti-plagiarism software becomes. Soon only made up and ungrammatical phrases will not be marked as plagiarized ;).

Probably, you need to update your knowledge on this issue.

Sorry, but I don't take my knowledge from Yahoo answers like you do.. But no big knowledge is required because it's simple math - the more documents, the less 'original' content.

:-D Relax bro, Major; no hard feelings!

Grammarly is very effective, both for students and writers.

Grammarly does not compare databases of universities like turnitin and it a simple reason as it did not find your previously published paper present in your university databases.

I am just wondering... if Grammarly is out to trick us with their marketing tactics. Probably more mentions here and there and it builds some reputation. Will probably have to dig deeper I guess....

Now a day, paper-mill companies are using Grammarly to proof their plagiarism-free content, but sadly even as an ESL speaker, I can pick out the illogical sentence structure. I know I am not a good writer, and I subscribed to Grammarly service as well, but I kept things simple. Thus, people read my article can easily understand.

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I wouldn't use any free software. Grammarly and ProWritingAid have good plagiarism software (I use the latter) so you could try one of them

Use Grammarly to weed out mistakes of all sort and Turnitin for plagiarism.

The problem I have with using Turnitin for plagiarism detection is that it keeps a file of the essay you submitted. Therefore, if the teacher runs a check for the paper in the system, it will definitely turn up plagiarized as the paper is already in the system. The teacher, will not know that the student previously checked for plagiarism in Turnitin.

I have had clients whose papers I wrote in the most original form possible (READ: close to no citations and using mostly paraphrasing instead), use that plagiarism checker before submitting the paper. It comes up clean. Then they submit it to the teacher, who then uses the program and BAM! It comes up as plagiarized. That is why I started asking my clients to use other online plagiarism checkers. Those that do not keep a file of the original paper as Turnitin does.

As for Grammarly, I don't really use that program unless the client requests for it because he has a specific writing style that I need to go for. As Meokhan pointed out, the system doesn't recognize specific writing styles and insist that it be corrected. In my case, I used that program only when the student indicated that the paper has to sound like a non-native speaker wrote it. I make the corrections based on the suggestion of the program.

I do not believe in its plagiarism checker service because the program was not designed with that in mind. Personally, I prefer to services of PaperRater because of (what is to me) its reliable features such as its ability to proof read and grammar check, suggest vocabulary, and also, check for plagiarism in a more accurate manner (I believe) than Turnitin since it does not keep papers on file.

I've been saying it for years - submitting a paper to ANY plagiarism database is a risky business for a student because such databases are / may-be shared with each other (it applies to TurnItIn especially); once a paper is submitted, it's stored and will be marked as plagiarized.

Can anyone rate GRAMMARLY? Is it ok to use?

My research shows that Grammarly may be in bed with Ukrainian scam writing services = Whatever you submit to check is likely to be stolen | Your copyright is ignored unless you want to hire a lawyer in Ukraine and fight it.

ACTUALLY - its now public that Grammarly = Ukraine:


cucc.ca/2017/05/14/ukrainian-startup-grammarly-attracts-110-mln-of-investment/


kyivpost.com/technology/international-venture-firms-invest-110-million-ukrainian-startup-grammarly.html

I've used Grammarly 1-2 times in the past and found it to be highly unreliable. Of course, if you are an academic writer, you don't want to use Turnitin (the most reliable) because it records absolutely everything in real time.

Over the past few years, there have been several articles covering Grammarly's reliability with the company responding that negative issues are often related to comma usage (or lack of usage) can generate false results. Well, that's bull. A legitimate detection program (like Turnitin) will find copied text whether the writer added or removed punctuation. So, if you are using Grammarly, you are putting your work at risk of being flagged for plagiarized content when Grammarly said it's not and vice versa. Not to mention you license your work to them for free.

One such issue was covered by The Economist, albeit 5 years ago, where the journalist noted:

On the bright side, Grammarly's plagiarism detector did detect the source I had copied and pasted from-my own book.

In a second paragraph from the same book, Grammarly flagged five issues: two "errors" that were not errors, two instances of beginning a sentence with a conjunction (perhaps too informal), and one word-choice suggestion, since I used the word "new" several times in a paragraph about Turkish language reform under Atatürk: new words, new script, new rules, etc. Here, at least, we can see where Grammarly is coming from.

In a third paragraph, Grammarly found just one problem. However, not only was the sentence in question (again) perfectly grammatical, but the guidance was disastrous.

It seems that it's grammar check is even more unreliable than it's plagiarism detection capabilities, which are horrid at best.

The full article noted above can be viewed here: economist.com/blogs/johnson/2012/08/grammar-software

For reviews on various detection programs and links to those sites: thewritelife/automatic-editing-tools/

The best detection tool for me is simple: write 100% custom text and cite correctly, reread and reread again to be sure citations are correct and sources are listed on the the bib/ref page.

If the student did not submit his previous essay to Grammarly, then it is not part of the company database. That is why the previous paper did not show up during the plagiarism check. The same goes for Turnitin. Both use the submission system for its database. Which is why students should never take it upon themselves to check for plagiarism. Once it enters the system, it becomes part of the comparison files, which means when the professor runs the paper through, it should come back with a percentage of plagiarism or total plagiarism because the software doesn't detect that the student was the very person who submitted the same paper in the first place. Plagiarism checking is the job of the teacher or professor. The student has no business doing that for them. As long as the paper is properly referenced within the text and source listing, there should not be any plagiarism concerns for the student.

You are right about TurnItIn, wrong about Grammarly. Grammarly searches online sources and papers stored in the ProQuest's database. It does not, however, store text submitted via its checker.

"Rest assured, your writing will stay private. Our plagiarism checker will not make your writing searchable publicly or in any other database. No other plagiarism checkers will see your text." - grammarly.com/plagiarism-checker

If you wish to run a plagiarism check with Turnitin, their sister site WriteCheck provides that service but at a cost. Your work will not be stored on the Turnitin database that way.

Plagiarism checker programs, specially the online kind, are beginning to share their paper databases. So, at this point, it is likely that the OP's friend's essay just might turn up during a Grammarly check. Personally, I would have been pleased to know that my original paper did not show up on a database. However, that leads me to wonder, why was the student checking for an old paper? Was he reselling it? Or was he writing a new paper for sale to someone based on his old work? So many questions that makes me wonder more about the intentions of the student rather than the integrity of grammarly as a plagiarism checker tool.