Similarity checking with AI writing detection
United StatesAdded 27d ago
ContactAPI
69trust score out of 100
00
PlagiarismCheck.org alternatives
3 products our research names as a replacement for PlagiarismCheck.org in AI Detection & Humanizers, each with what it does differently — prices, API and status from our own checks rather than from the vendors’ own pages.
GPTZero
61Estimates whether text was machine-written and flags the sentences
United StatesAdded 27d ago
Freemiumfrom $8.33/moAPI
83trust score out of 100
00
has a free tier
PlagiarismCheck.org vs GPTZero →AI-text and plagiarism detection built for publishers and agencies
CanadaAdded 27d ago
Paidfrom $14.95/moAPI
85trust score out of 100
00
More in AI Detection & Humanizers
Not named as direct replacements — the neighbours in the same part of the catalog, best-rated first.
Runs an essay through AI detection, plagiarism checking, grammar fixes and a grade estimate.
United KingdomAdded 20d ago
Freemiumfrom $17/mo
86trust score out of 100
00
Free rewriter that reworks AI-generated text to read as human and to slip past AI detectors.
Added 20d ago
Free
63trust score out of 100
00
Rewrites AI-drafted text to read as human and pass detector checks, with a built-in multi-detector scan
Added 27d ago
Freemiumfrom $5/moAPI
73trust score out of 100
00
Free, no-signup tool that rewrites AI-generated text to read as human-written and avoid AI detectors.
United StatesAdded 11d ago
Free
73trust score out of 100
00
Free rewriter for AI-generated text, up to 3,000 words a pass, in English and Spanish.
United StatesAdded 20d ago
Free
77trust score out of 100
00
Rewrites AI-generated text so it stops tripping Turnitin, GPTZero, Originality and similar detectors
Added 20d ago
Freemiumfrom $10/moAPI
69trust score out of 100
00
GPTinf
55Rewrites AI-generated text to read as human-written
UkraineAdded 27d ago
Freemium
67trust score out of 100
00
Rewrites AI-generated text to read as human-written, with a built-in AI-detection score and 60+ languages.
Added 11d ago
Freemiumfrom $8/moAPI
56trust score out of 100
00
Rewrites AI drafts to read as human prose, with a built-in detector check, sold by weekly word allowance.
Added 20d ago
Paidfrom $6.99/wk
76trust score out of 100
00
Rewrites AI-generated drafts to read as human writing
United StatesAdded 27d ago
Freemiumfrom $14/moAPI
94trust score out of 100
00
Free AI-text rewriter with four styles, term locking and no account, sign-up or word cap.
Added 6d ago
Free
60trust score out of 100
00
JustDone
77Plagiarism and AI-detection checking bundled inside a wider AI writing suite, not a standalone scanner.
CYAdded 11d ago
Paidfrom $19.99/mo
94trust score out of 100
00
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