AI-text and plagiarism detection built for publishers and agencies
CanadaAdded 2mo ago
Freemiumfrom $14.95/moAPI
89trust score out of 100
Undetectable AI alternatives
4 products our research names as a replacement for Undetectable AI 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
71Estimates whether text was machine-written and flags the sentences
United StatesAdded 2mo ago
Freemiumfrom $12.99/moAPI
86trust score out of 100
QuillBot
49Paraphrasing, summarising and citation tools for students
United StatesAdded 2mo ago
Freemiumfrom $19.99/mo
90trust score out of 100
1
Rewrites AI-generated text to slip past AI detectors
United StatesAdded 2mo ago
PaidAPI
86trust score out of 100
2
More in AI Detection & Humanizers
Not named as direct replacements — neighbours from the same part of the catalog: the best-rated first, then a sample of the rest.
Free in-browser rewriter that reworks AI-generated text to read as human, with paid tiers for longer runs and a detector.
United KingdomAdded 2mo ago
Freemiumfrom $12/mo
83trust score out of 100
1
Free, no-account essay checker that scores AI likelihood, grades against a rubric and fixes grammar
United KingdomAdded 2mo ago
Free
87trust score out of 100
1
GPTinf
66Rewrites AI-generated text to read as human-written
UkraineAdded 2mo ago
Freemium
70trust score out of 100
1
Verva
77Rewrites AI-generated text to read as human-written and pass AI detectors.
Added 1mo ago
Paidfrom $8/mo
89trust score out of 100
Rewrites AI drafts to read as human prose, with a built-in detector check, sold by weekly word allowance.
Added 2mo ago
Paidfrom $6.99/wk
76trust score out of 100
3
Free AI-text rewriter with four styles, term locking and no account or sign-up, up to 2,000 words a pass.
Added 1mo ago
Free
62trust score out of 100
2
Checks essays against Turnitin, GPTZero and other detectors, then rewrites flagged passages to read as human-written.
United StatesAdded 1mo ago
Freemiumfrom $10/mo
87trust score out of 100
1
Rewrites AI-generated drafts to read as human writing
United StatesAdded 2mo ago
Freemiumfrom $14/moAPI
94trust score out of 100
2
Rewrites AI-drafted text to read as human and pass detector checks, with a built-in multi-detector scan
Added 2mo ago
Freemiumfrom $5/moAPI
72trust score out of 100
1
JustDone
73Plagiarism and AI-detection checking bundled inside a wider AI writing suite, not a standalone scanner.
CYAdded 1mo ago
Paid
90trust score out of 100
1
Detects AI-generated text, images, documents, voice, and video, with a confidence score and REST API.
GermanyAdded 1mo ago
Freemiumfrom $10 onceAPI
80trust score out of 100
1
Turnitin
50Institutional similarity checking and AI-writing indicators for assignments, exams and manuscripts
United StatesAdded 2mo ago
ContactAPI
88trust score out of 100
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