People look for a Turnitin alternative when they are not an institution: a student, freelance editor or small publisher who cannot buy a licence through procurement. Others are institutions that want a lighter contract, a European supplier, or a checker priced per document or per word. Options range from pay-per-check services to writing assistants with a checker attached.
Short answer: The first three alternatives to Turnitin in our plagiarism checkers ranking are Compilatio, Scribbr and PlagiarismSearch. Places 1 to 3 go to challengers, vendors outside the best-known brands in a category, wherever the category has them; the established names follow from place 4 in their ranked order. Choose Compilatio if you want an LMS-connected checker from a European company, with a route for single students. Below are 10 alternatives, each taken from the Best Plagiarism Checkers in 2026 ranking, with its main difference from Turnitin.
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Pricing: Quoted per institution; contact sales, no prices on the product pages
Established in: United States
Built for: Universities needing AI findings inside the same system as similarity checks and grading
Not for: Freelancers and agencies wanting a self-serve detector with a card
01
Why buyers look past Turnitin
01
The price appears only after a sales conversation
The product pages we read for Feedback Studio, Similarity, Originality and iThenticate show no prices. Each sends the visitor to an expert or a demo. A school can budget through procurement, but a single writer, a small press or a department testing a checker has no price to compare and no self-service purchase to try.
02
The strongest features sit in separate products
Feedback Studio and Similarity list the core comparison, while AI writing and AI paraphrasing detection, contract-cheating insights and ProQuest theses access appear under the Originality add-on on the Similarity page. Writing analytics is a further add-on, Clarity. Buyers should ask which of these are in the quote they receive.
03
Match grouping and the repository suit one kind of buyer
The comparison pool is student papers, web pages and publisher articles in 170 languages, which fits a university. Match Group categorisation is marked as English only. A business, blog or agency checking web copy gains little from a student-paper repository and may prefer a tool built around web content.
you already write in Grammarly and want a check inside the same editor
#10
03
What each one does differently
1
Compilatio
France · Published
Compilatio comes from France and splits its offer in two. Magister is for institutions and is priced after a demo or quote. Studium lets a student buy credits, one per 250 words. It lists paraphrase and cross-language detection and plugs into Moodle, Canvas, Brightspace, Blackboard and Teams. The first Studium check is only a partial analysis showing three sources.
Switch from Turnitin if you want an LMS-connected checker from a European company, with a route for single students.
Scribbr is an Amsterdam company that prices each check by document size, with no subscription. It says submitted papers are never added to its database. The free scan names five best-matching sources and keeps the similarity percentage for the paid report. Past papers can be compared against, but no API is listed, so it is for individuals.
Switch from Turnitin if one thesis or essay needs checking and you want a fixed price with no contract.
PlagiarismSearch is operated from Spain and sells one-time packs next to monthly and three-month packages. Registration brings a daily allowance. Uploaded documents are said not to be stored, and reports can be deleted. API access starts at the Standard monthly package, and the site gives no size for its source database.
Switch from Turnitin if you want to buy a single check or a short package and keep control of uploads.
Copyscape searches the public web and bills per search, with a small extra for each further hundred words. Batch Search handles up to 10,000 pages, and a private index lets you compare new copy with your own archive. Google supplies the search, so it will not see a school's store of student essays. No country is stated.
Switch from Turnitin if you check published or draft web content and want to pay only for pages you run.
Originality.ai is based in Collingwood, Ontario and sells credits to publishers and agencies. A credit covers 100 words, and a combined AI and plagiarism scan costs two. Subscription credits lapse at month end, free credits are one-time, and API access sits on the top plan. A Moodle plugin is listed, not a paper repository.
Switch from Turnitin if a content team needs AI and plagiarism scans in one credit pool.
Plagiarism Checker X is a Windows desktop program from a New York address. The Professional edition is a perpetual licence for one user, with a year of maintenance included. A free edition caps words and daily searches, and cloud plans are metered in words per month. Mac users need the cloud plans.
Switch from Turnitin if you prefer one payment for a desktop licence over a yearly institutional quote.
Quetext gives 1,000 words free for plagiarism and AI checks, then monthly plans sized by words, with bulk upload of 20 or 100 files. Its privacy policy, dated 14 October 2026, says user content can train its AI systems and aggregated data may be licensed. Read that before uploading unpublished work. No country is named.
Switch from Turnitin if you want to try a checker free and your documents are already public.
ProWritingAid is a style editor that says it began in London in 2013. Its pricing table marks the plagiarism check as an extra cost on every plan, and links to a separate purchase of checks. The subscription pays for the editor, monthly, yearly or lifetime. Heavy checking means paying twice.
Switch from Turnitin if you edit manuscripts daily and need an originality check only now and then.
Smodin bundles a plagiarism checker with an AI detector, AI writer, chat and a humanizer in one subscription, with Starter and Premium tiers. Premium describes the humanizer as passing Turnitin-level detection, which an integrity office may dislike. The plans table gives no word limit for the plagiarism check. No country is named.
Switch from Turnitin if you are a writer who wants several AI tools under one plan.
Grammarly lists plagiarism detection and AI text detection under Pro and Enterprise only, not the free plan. Pro opens with a seven-day trial and a monthly price in euros. The terms come from Superhuman Platform Inc., formerly Grammarly, Inc. It gives an originality score and citation hints, but we saw no mention of a student paper repository.
Switch from Turnitin if you already write in Grammarly and want a check inside the same editor.
Scribbr: It prices each document by size with no subscription, and says submitted papers are never added to its database.
02
Your school needs an LMS-connected checker from a European supplier
Compilatio: Magister covers institutions by quote and the product connects to Moodle, Canvas, Brightspace, Blackboard and Teams.
03
You check web copy for a publishing team
Copyscape: Billing is per search, and Batch Search covers up to 10,000 pages with a private index for your own archive.
04
You want an AI scan and a plagiarism scan from one allowance
Originality.ai: A credit covers 100 words and a combined scan uses two, with API access on the top plan.
05
You prefer a one-off desktop licence
Plagiarism Checker X: The Professional edition is a perpetual licence for one user with a year of maintenance, installed on Windows.
04
When Turnitin is still the right choice
Turnitin stays the sensible choice for a university or school that needs checks inside its learning platform, a repository of earlier student submissions, and grading tools in one place. Its comparison pool covers student papers, web pages and publisher articles in 170 languages, and iThenticate serves researchers and publishers. If your institution already holds a licence, check what it includes before replacing it.
05
What moving off Turnitin involves
01
Past submissions do not travel with you
The repository of earlier student papers lives with Turnitin, so a new checker will not match against work already submitted there. Plan a period in which both run side by side, and agree how long old reports must be kept.
02
Learning platform links need rebuilding
Turnitin connects through LTI to learning platforms and sign-on services. A replacement must offer a connector for your platform, or staff upload files by hand. Test one course with real assignments, including how reports reach students, before dropping the old link.
03
Similarity scores are not comparable
Each tool counts matches against its own sources, so a figure of 20 percent in one is not the same as in another. Write down your review thresholds again and let staff look at a sample of papers through both before policy changes.
06
Questions about replacing Turnitin
6 answers
How much does Turnitin cost?
The product pages we read for Feedback Studio, Similarity, Originality and iThenticate publish no prices and direct visitors to speak to an expert. Cost is set per institution after a conversation, so ask for a written quote that names which add-ons are included.
Can a student buy Turnitin directly?
The pages we read show no self-service purchase for an individual. Scribbr, PlagiarismSearch and Compilatio's Studium sell checks to single users, and Scribbr prices by document size.
Which alternative checks AI-written text as well?
Originality.ai, Quetext, Smodin and Grammarly Pro list AI detection, and PlagiarismSearch mentions AI scans. Turnitin lists AI writing and paraphrasing detection under its Originality add-on, so compare the claims with your own samples.
Is there a free plagiarism checker to start with?
Quetext offers 1,000 words free, Plagiarism Checker X has a limited free edition, and Scribbr's free scan lists five top sources. Free tiers show less than a paid report, and Quetext's privacy policy allows training on content.
What if I only need to check web copy?
Copyscape searches the public web per search and Originality.ai is built for publishers. Neither holds a store of student papers, which is the point of Turnitin's repository.
Is there a European alternative?
Compilatio is French and Scribbr is Dutch, and PlagiarismSearch is operated from Spain. Turnitin, LLC is a US company, so institutions with data location rules should read each vendor's processing terms.
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Sources
Checked 6 November 2026
Turnitin Feedback Studio: Similarity report, 170 languages, Match Group English only, Clarity add-on, no prices shown.
Turnitin Similarity: Originality add-on with AI paraphrasing detection, ProQuest access, LTI integration, Match Group English only.
Turnitin Originality: AI writing, paraphrasing and bypassing detection, authorship report.
Founder of The Knowledge Engineers and of 2 Steps Ahead, an AI search visibility agency. Editorially responsible for every page on this site; research and drafting are AI-assisted.
Author and fact-checker: Sebastiaan Smits. This page was last reviewed on 6 November 2026; our review process is public.
