For academic papers, PaperCheck checks free (5 checks, up to 20,000 words each) and rewrites only the flagged sentences for Rs 30 per paper, keeping numbers and citations unchanged.
Written by Adithyan, a student who builds PaperCheck. Last updated 2 November 2026.
The AI check is free (5 checks, up to 20,000 words each) and shows the flagged sentences. The reducer costs Rs 30 per paper and rewrites only those sentences, keeping numbers and citations. Full details and results.
A detector score is an estimate. It can be wrong in both directions, and non-native English writing is flagged more often by some detectors. Use the score to look closer, not to decide.
It does a similar job for academic papers and is not affiliated with Undetectable AI. It is priced at Rs 30 per paper for the rewrite and is free to check.
Yes. References, tables, equations and code are not touched.
If a run lowers your score by less than 5 points, 10,000 free words are added to your account.
Check your paper: 5 free checks
PaperCheck is not affiliated with Turnitin, GPTZero, papercheck.in, papercheck.ai, Clever AI Humanizer, StealthWriter or Undetectable AI. Scores from any detector are estimates, not proof.