PlagAware Review: What It Checks, How Reports Work and Who It Suits
plagiarism-checker-online.net Editorial Team | Updated October 2, 2026
Short answer: PlagAware is a German plagiarism checker that compares your text with about 70 billion freely available web documents (the vendor's figure) and lists every matching source with a similarity percentage. It catches copied and lightly reworded web text well. It can't see paywalled journals or books, and like any checker it flags overlap, not intent.
Disclosure: our plagiarism scan runs on PlagAware's engine, so we have a commercial interest in this topic. We've kept this review to claims we could source, and where a number comes from PlagAware itself, we say so. That includes a plain list of what PlagAware doesn't do, because those limits decide whether one report is enough.
PlagAware at a Glance
These are the facts we could verify from PlagAware's own documentation and from independent research. The PlagAware plagiarism checker is a product of PlagAware GmbH in Neu-Ulm, Germany, and it has been used by schools, universities and companies for more than ten years, according to its own site.
| Item | What we could verify | Source |
|---|---|---|
| Sources searched | Freely available online documents indexed by search engines, about 70 billion texts (vendor figure), plus an optional private library of your own reference texts | PlagAware |
| Not searched | Non-public sources such as paid journal articles and paid portal content | PlagAware FAQ (German) |
| Speed | Usually under 10 minutes on PlagAware itself; about 15 minutes when ordered through this site | PlagAware, how it works |
| Report | Interactive online report with a percentage result, downloadable as PDF or Word | PlagAware report guide |
| Free option | Free account with plagiarism checks of up to 10 pages | PlagAware |
| Independent testing | One of 15 systems in the 2020 TeSToP study, rated "partially useful" for coverage and for usability | Foltýnek et al. (2020) |
What PlagAware Checks
PlagAware was built for teaching: homework, seminar papers, bachelor's and master's theses, dissertations. The engine extracts the text from your file, finds suspicious documents, and compares each candidate word for word with your text. PlagAware calls its algorithm FullScan and says it analyzes every sentence of the work.
What it covers
- The open web. PlagAware searches documents that search engines have indexed. It quotes about 70 billion texts today. The 2020 TeSToP study recorded the vendor's claim at 10 billion online documents at the time. Neither figure tells you how much of that index is relevant to your topic, so treat database size as marketing, not as a quality score.
- Reworded passages. If a source was paraphrased and rearranged, the pieces scattered through your text are grouped as phrases of that one source. A graphic side-by-side comparison lets you judge how close the rewording is.
- Your own reference texts. On PlagAware's own platform, users can add earlier papers or parallel work to a private library that is then part of the comparison. That's a feature of its account system, and it isn't part of our order flow.
What it doesn't cover
- Paywalled and non-public sources. PlagAware states that it has no access to paid journal articles or paid portal content. It does sometimes find free copies or summaries of them, and PlagAware itself advises being suspicious when matches come from such abstracts. Scribbr, by comparison, says its database holds 8 million publications from more than 1,700 publishers. If your paper leans on subscription literature, this gap is the single biggest difference between tools.
- Images, graphics and diagrams. The report guide is explicit that PlagAware can't identify plagiarism in them. Scanned PDFs without selectable text can't be processed on this site either.
- Structure and idea plagiarism. PlagAware's own guide says a fully copied argument structure with no copied sentences would be scored "0%". Sources that keep turning up without word-for-word overlap go onto a separate "potential sources without matching" list that a human has to compare by hand.
- Translations. PlagAware doesn't document translation matching. No tool did well here in the 2020 study: the best score for translated plagiarism was 1.1 out of 5, and the best for paraphrased plagiarism was 1.7, according to Plagiarism Today's summary.
How a PlagAware Report Reads
PlagAware's own report guide opens with a caveat worth repeating: the report shows matches with sources, but it doesn't prove intent to deceive. It also says PlagAware can't tell which text is the original and which is the copy. A source is always judged in relation to your text.
The percentage
The headline number is the share of words in your text that match relevant sources. Words from sources marked as correctly cited or excluded don't count toward it. PlagAware's example: 250 matching words in a text of 1,000 words gives 25%, no matter how many sources contributed or where in the paper they sit.
Two more figures sit next to it. Matching words is the raw count of words taken over unchanged. Matching phrases counts connected stretches. If 100 words came from one Wikipedia article in two stretches (20 from the introduction, 80 from the main part), that's two phrases and 100 matching words.
Source categories
| Category | Meaning | Counts toward the percentage? |
|---|---|---|
| Relevant (suspicious) | Possibly not cited or cited incorrectly | Yes |
| Accepted (specified) | Classified as correctly cited, automatically by address or manually by you | No |
| Excluded | Not a source in the scholarly sense, such as a template declaration or an earlier copy of the same work | No, but listed in the PDF report to deter manipulation |
| Covered (redundant) | Its matching text is already contained in other relevant or accepted sources | No, and hidden from the PDF |
PlagAware's own rules of thumb
PlagAware's guide on rating results offers guidelines and says outright that opinions differ and the examiner's judgment decides. For a single source, fewer than 50 matching words is not significant and 50 to 100 is discretionary, with anything above that significant. For a whole paper, once correctly cited sources are excluded, under 1% is not significant, 1 to 5% is discretionary and over 5% is significant.
Don't hold those numbers up against the 10 to 15% thresholds you'll see quoted for essays in our guide to the acceptable plagiarism percentage. Tools count differently. Turnitin's guide says quoted text still shows as a match even with quotation marks and references, unless an instructor excludes quotes, and its report icon colors by band (0%, 1 to 24%, 25 to 49%, 50 to 74%, 75 to 100%). A PlagAware figure after you've accepted your cited sources is a different quantity from a raw similarity score.
What the report looks like when you order here
Through plagiarism-checker-online.net the report arrives as a PDF by email, in about 15 minutes, with your overall percentage, highlighted matches and links to the sources. PlagAware's interactive features, such as re-rating sources and re-checking revisions inside your own account, belong to its own platform. Check how an order works before you count on them.
Free vs Paid
People searching for "PlagAware free" usually want to know if a check costs anything at all. Here's the verified picture.
| Option | Price | Notes |
|---|---|---|
| PlagAware free account | €0 | Plagiarism checks of up to 10 pages; account required |
| PlagAware prepaid credits | From €12.99 per 100 pages | No contract; each page uses one credit. Revisions of a checked text can be re-checked at no extra cost, per PlagAware |
| PlagAware licenses | From €79 per year (volume) or €189 per year (educational) | Aimed at companies, schools and universities |
| Plagiarism Scan (this site) | $0.29 per page | 1 page = 1,800 characters including spaces; $0.90 minimum; no subscription, no registration |
| Combo, plagiarism plus AI (this site) | $0.39 per page | Same page definition and minimum |
| AI Scan (this site) | $0.29 per page | AI-writing check only |
A quick example on our side: a 20-page paper has about 36,000 characters including spaces, which is 20 standard pages. That's $5.80 for a Plagiarism Scan or $7.80 for the Combo. A three-page assignment would be $0.87, so the $0.90 minimum applies.
To be fair to PlagAware direct, a full 100-page pack works out to roughly €0.13 per page, and providers define a "page" differently, so the per-page rates aren't strictly comparable. The pack makes sense if you'll check several documents. If you need one paper checked once, paying per page with no registration means you don't buy pages you won't use. Current rates are on the pricing page.
PlagAware vs Turnitin vs Scribbr
These three get compared constantly, but they're built for different buyers. The table sticks to what each vendor or an independent source says.
| PlagAware | Turnitin | Scribbr | |
|---|---|---|---|
| Who buys it | Individuals (credits) and institutions (licenses) | Institutions; students typically see it through their school | Individuals, per document |
| Source base (vendor statements) | Open web, about 70 billion texts; optional private library; no paywalled sources | Web archive, published academic articles, and a database of submitted assignments (per the 2020 TeSToP overview of company information) | 99.3 billion web pages and 8 million publications from 1,700+ publishers (Scribbr's German site) |
| Report | Interactive; PDF and Word export; percentage of matching words in relevant sources | Similarity Report with a score and color bands; quotes count unless excluded | Percentage with highlighted matches and a source overview |
| Pricing model | Prepaid pages or annual licenses | Institutional license | Per document, by length tier |
| Independent evidence | 2020 TeSToP: partially useful for coverage and for usability | 2020 TeSToP: partially useful for coverage (same band), useful for usability | Not among the 15 systems tested; its published comparisons are its own |
Two practical consequences follow. First, a clean PlagAware report doesn't guarantee a clean Turnitin report. If your school's tool compares your text with earlier student submissions or licensed publisher content, it can find overlap a web-only search never sees. Second, no external checker can reproduce your university's number. Use it to find missing citations and sloppy paraphrases, then judge the matches yourself. Our plagiarism checker comparison covers more tools if you're still choosing.
One more data point comes with a warning label. Scribbr's own test found that PlagAware identified an average of 57% of the planted plagiarism, behind Scribbr's 88%, and it noted weaker results on heavily edited text and scholarly sources. Scribbr sells a competing checker and the test design is its own, so read that as a claim from an interested party, not a verdict. It does match what PlagAware's documentation says about its source base.
What Independent Testing Says About PlagAware
The most rigorous public comparison is the TeSToP study by nine members of the European Network for Academic Integrity (Foltýnek et al., 2020, International Journal of Educational Technology in Higher Education). The team tested 15 web-based systems with documents in eight languages between 2018 and 2019.
- No system reached the top "useful" tier for coverage. The best average was below 3.0 out of 5.
- PlagAware, Turnitin, PlagScan, StrikePlagiarism and PlagiarismCheck.org clustered between roughly 2.25 and 2.75 for coverage, per Plagiarism Today's reading of the paper. Plagiarism Today's author discloses that he's a paid blogger for Turnitin, so treat the exact bands as secondary reporting and check the paper's tables.
- PlagAware was classed "partially useful" for coverage, the tier it shares with Turnitin, and "partially useful" for usability, where Turnitin, PlagScan, Urkund and two others were rated "useful".
- The authors' conclusion applies to every tool: systems "clearly do not find all plagiarism and at times also identify non-plagiarized material as problematic."
Two limits matter. The study deliberately left out documents with restricted access so that Turnitin's publisher agreements wouldn't skew results, which means it measured open-web matching, the area PlagAware targets. And the documents were tested in 2018 and 2019, so every product has changed since. PlagAware's site also says the Network for Academic Integrity named it the best plagiarism check for German texts in 2020 and quotes earlier HTW Berlin tests. Those are the vendor's words, so read the study for the actual scores.
Who PlagAware Suits
A good fit
- Students checking citations before submission. Essays, seminar papers and theses built on open web and open-access sources are exactly what the engine was designed for.
- Anyone who wants a source list, not just a score. The report's strength is the per-source breakdown with side-by-side comparison.
- Privacy-minded users. PlagAware states that your work is not stored in a plagiarism database.
- Writers of German or English text. PlagAware is a German product that positions itself strongly on German texts, and this site runs it on English documents.
Add a second check or look elsewhere
- Work built on paywalled literature in law, medicine or humanities monographs. Your institution's tool may have licensed access that PlagAware lacks.
- Anyone who needs to match a university's Turnitin number. That isn't possible with an outside tool, however good.
- Translated or idea-level borrowing. Every tool struggles here, so careful reading of your own sources matters more than any score.
- Anyone treating an AI score as proof. AI detection is a separate, less reliable task. Our summary of AI detector reliability explains why a high score should start a conversation, not end one.
How to Get Real Value From a PlagAware Report
- Check the final draft, with references included, so cited material shows up and you can classify it.
- Open each source and ask one question: is this passage quoted, cited or rewritten? Our guide to citing properly covers the formats.
- For passages that sit close to a source, rewrite from your own notes, not by swapping words. Paraphrasing vs. plagiarism shows where the line is.
- Ignore matches from templates, declarations and your reference list when you read the overall figure.
- Re-run the check after changes, and keep to your university's policy on what's acceptable.
If you'd like to run a check, our plagiarism checker uses PlagAware's engine, starts at $0.29 per page and delivers the report in about 15 minutes. You can order a plagiarism scan without registering.
Check Your Paper With PlagAware's Engine
Plagiarism Scan $0.29/page, Combo (plagiarism + AI) $0.39/page, AI Scan $0.29/page. Minimum order $0.90, no subscription, no registration. Report in about 15 minutes.
Start Check NowSee all rates on the pricing page.
PlagAware FAQ
Is PlagAware free?
Partly. PlagAware says a free account includes plagiarism checks of up to 10 pages. Beyond that you buy credits (prepaid packs start at €12.99 for 100 pages) or a license. On plagiarism-checker-online.net there's no free tier: a Plagiarism Scan costs $0.29 per page with a $0.90 minimum, and there's no registration or subscription.
Is PlagAware the same as Turnitin?
No. They're separate products with different source bases. Turnitin is sold to institutions and, according to the 2020 TeSToP study, also compares documents against its archive of submitted assignments. PlagAware searches freely available online documents and, optionally, a private library of reference texts. A clean PlagAware report therefore doesn't guarantee your university's Turnitin result.
How accurate is PlagAware?
No plagiarism checker is fully accurate. In the 2020 TeSToP study of 15 systems, PlagAware landed in the same coverage band as Turnitin, PlagScan and StrikePlagiarism, and no system found all of the planted plagiarism. It's strongest on copied web text and weaker on heavily reworded passages and sources behind paywalls, so read the individual matches instead of trusting the percentage.
Does PlagAware store my paper?
PlagAware states on its website that your work isn't stored in a plagiarism database. Its optional library is something a user adds reference texts to on purpose. For how uploads are handled when you order through this site, see our privacy policy.
What PlagAware percentage is acceptable?
There's no universal number. PlagAware's own guidance, applied after correctly cited sources are excluded, calls under 1% not significant, 1 to 5% a matter of judgment and above 5% significant, and it stresses that the reviewer decides. Your university's policy overrides any rule of thumb. Typical limits by document type are in our acceptable plagiarism percentage guide.
Does PlagAware catch paraphrasing and paywalled sources?
It often catches lightly reworded text and shows a side-by-side comparison so you can judge the paraphrase, but heavily edited passages are hard for every checker. PlagAware says it has no access to non-public sources such as paid journal articles, although it may find freely available copies or summaries of them. If your paper relies on subscription literature, a web-based check can miss matches.
Does PlagAware detect AI-written text?
PlagAware's report includes a separate AI detector and style analysis view, which is a different task from matching text against sources. AI detectors are error-prone, especially for non-native English writers (Liang et al., 2023), so treat any AI score as a signal to review, not as proof. If you want one on this site, the AI Scan is $0.29 per page and the Combo is $0.39 per page.
Sources
All pages were last checked on October 2, 2026. Vendor statements are labeled as such in the text above.
- PlagAware, Professional plagiarism check (homepage, FullScan, no storage in a plagiarism database, 2020 award claim)
- PlagAware, Start a plagiarism check (about 70 billion online texts)
- PlagAware, The plagiarism test report in detail (source categories, percentage calculation, AI detector view)
- PlagAware, Ratings and analysis of plagiarism checks (matching words and phrases, thresholds, structure plagiarism, free account)
- PlagAware, Plagiarism checker for students (prepaid packs from €12.99 for 100 pages)
- PlagAware, Häufige Fragen zu PlagAware (no access to non-public sources)
- PlagAware, Data protection policy, version 2.4 (operator PlagAware GmbH, Neu-Ulm)
- Foltýnek, T., Dlabolová, D., Anohina-Naumeca, A., et al. (2020). Testing of support tools for plagiarism detection. International Journal of Educational Technology in Higher Education, 17, 46.
- Bailey, J. (2020). Comparing the Top Plagiarism Detection Tools. Plagiarism Today (author discloses paid work for Turnitin).
- Turnitin Guides, Understanding the similarity score
- Scribbr, Best free plagiarism checkers: tested and reviewed (competitor test, 57% vs 88%)
- Scribbr, Plagiatsprüfung (99.3 billion web pages, 8 million publications)
- Liang, W., Yuksekgonul, M., Mao, Y., Wu, E., & Zou, J. (2023). GPT detectors are biased against non-native English writers. Patterns, 4(7), 100779.
Related Articles
This article is part of our Plagiarism Checker Tools and Pricing Guide.