Plagiarism Checker Grammarly vs PlagScanPro Free Comparison

Is Grammarly Plagiarism Checker worth using? Compare its features, reports, and pricing with a free plagiarism checker that requires no registration.

11 July 2026
Grammarly Plagiarism Checker vs PlagScanPro | Full Comparison

Grammarly includes a plagiarism checker as part of selected plans, helping users compare their writing against online sources. Users looking for a completely free plagiarism checker often compare Grammarly with alternatives like PlagScanPro. This article breaks down how the Grammarly plagiarism checker works, what it offers, and when a free alternative makes more sense for your writing needs.

Choosing the right plagiarism checker matters whether you are a student submitting an essay, a blogger publishing content, or an agency reviewing client work. This guide compares both tools honestly so you can decide what fits your situation.

Try PlagScanPro free right now and scan up to 50000 words with no sign up required.

What Is Grammarly Plagiarism Checker

Grammarly plagiarism checker is a feature included in certain Grammarly plans that scans written content and compares it against a large database of web pages and published sources. It is commonly used by students checking assignments, content writers reviewing articles before publishing, and professionals proofreading business documents.

The tool is built into Grammarly's broader writing assistant, which also includes grammar checking, tone suggestions, and clarity edits. This makes it convenient for users who already rely on Grammarly for everyday writing and want plagiarism detection in the same place.

How Does Grammarly Plagiarism Checker Work

The Grammarly plagiarism checker works by comparing submitted text against online content and academic sources to identify matching or closely similar passages. This process is generally known as similarity checking, and it forms the basis of most plagiarism detection software available today.

Once the scan completes, Grammarly generates an originality report that highlights flagged sections and indicates where matches were found through source matching. This is useful for both academic writing, such as research papers and dissertations, and general content writing, such as blog posts and SEO content.

Because Grammarly is a paid feature for plagiarism checking in most plans, users without a subscription often look for a free plagiarism checker that provides similar similarity reports without the cost.

Key Features of Grammarly Plagiarism Checker

Grammarly plagiarism checker offers a few notable features worth understanding before deciding if it fits your workflow.

Ease of use is one of its strengths, since the plagiarism check happens within the same interface used for grammar and style suggestions. Writing assistance runs alongside plagiarism detection, so users get feedback on tone and clarity at the same time. The integrated workflow means you do not need to switch between separate tools for editing and originality checking.

These features work well for users already using Grammarly daily. For someone who only needs an occasional plagiarism scanner, paying for the full suite may not be necessary.

Pros And Limitations

Grammarly plagiarism checker has clear strengths. It is convenient for existing Grammarly users, integrates plagiarism detection with writing suggestions, and produces a straightforward similarity report.

There are also limitations worth noting. The plagiarism checking feature is generally locked behind paid plans, which is not ideal for users who only need occasional scans. Word count allowances and scan limits depend on the specific plan a user is subscribed to. Users who need a completely free plagiarism checker without any subscription commitment may find this restrictive.

Grammarly Vs PlagScanPro

Feature: Cost
Grammarly: Paid plans required for plagiarism checking
PlagScanPro: Completely free

Feature: Word Limit Per Scan
Grammarly: Depends on subscription plan
PlagScanPro: Up to 50000 words

Feature: Scan Limits
Grammarly: Depends on subscription plan
PlagScanPro: Unlimited scans

Feature: Sign Up Requirement
Grammarly: Account and subscription required
PlagScanPro: No sign up required

Feature: Report Type
Grammarly: Originality report with similarity matches
PlagScanPro: Percentage based similarity report

This comparison shows that PlagScanPro focuses specifically on free, unlimited plagiarism scanning, while Grammarly combines plagiarism checking with a broader writing assistant under a paid plan.

Who Should Use Grammarly

Grammarly plagiarism checker suits users who already rely on Grammarly for grammar and style editing and want plagiarism detection included in the same subscription. This includes professional writers managing regular client work, businesses producing frequent content, and researchers who need writing assistance alongside originality checking.

Students and bloggers who only need occasional plagiarism scans, without the full writing assistant, may find the subscription cost harder to justify for that single feature alone.

When Should You Choose A Free Alternative

A free alternative makes sense when you need plagiarism checking without committing to a paid subscription. This applies to students checking essays and assignments before submission, bloggers reviewing posts before publishing, and SEO professionals checking content originality across multiple pages.

PlagScanPro offers a free plagiarism checker with no sign up, no cost, and no restrictive word cap, scanning up to 50000 words per submission with unlimited scans. This makes it a practical choice for anyone who wants a straightforward plagiarism scanner without ongoing fees. It works well for document plagiarism checking, including PDF plagiarism checker and DOCX plagiarism checker needs, alongside standard essay and research paper scans.

Final Verdict

Grammarly plagiarism checker is a solid option for users already invested in Grammarly's full writing assistant, offering an integrated workflow for grammar, style, and originality checking. However, its plagiarism checking feature typically requires a paid plan, which is not ideal for occasional users.

For anyone searching for a free plagiarism checker alternative, PlagScanPro provides unlimited scans, a 50000 word capacity, and zero cost with no sign up required.

Try PlagScanPro today and check your content for plagiarism free, with instant percentage based reports and no account needed.

Featured Snippet Answers

Does Grammarly have a plagiarism checker
Yes, Grammarly includes a plagiarism checker as part of select paid plans. It compares submitted text against online sources and generates a similarity report highlighting matched or closely similar content.
Is Grammarly plagiarism checker free
No, Grammarly plagiarism checking is generally included only in paid subscription plans. Free alternatives like PlagScanPro offer plagiarism scanning at no cost with no sign up required.
What is the best free Grammarly alternative
PlagScanPro is a free plagiarism checker alternative offering unlimited scans, up to 50000 words per scan, and no sign up requirement, making it suitable for students, bloggers, and content writers.
Can students use Grammarly for plagiarism checking
Yes, students can use Grammarly for plagiarism checking if they have a paid plan that includes the feature. Students seeking a free option often use alternatives like PlagScanPro instead.

Frequently Asked Questions

Does Grammarly include plagiarism checking
Yes, Grammarly includes plagiarism checking as part of select paid plans. It scans text against online sources and provides a similarity report showing matched content and originality percentage.

Is Grammarly plagiarism checker free
Grammarly plagiarism checking is generally not free and requires a paid subscription plan. Users looking for a free plagiarism checker often compare Grammarly with alternatives such as PlagScanPro.

How accurate is Grammarly plagiarism checker
Grammarly plagiarism checker compares text against a large database of online sources to identify similarity. Accuracy depends on database coverage, and no plagiarism checker can guarantee complete accuracy for every source.

What is the best alternative to Grammarly plagiarism checker
PlagScanPro is a widely used free alternative, offering unlimited scans, up to 50000 words

Plagiarism Checker Grammarly vs PlagScanPro Free Comparison