Acadly AI runs unlimited plagiarism scans, AI detection, grammar checks, paraphrase, and humanizer rewrites on a flat monthly plan ($17.99/mo Pro, $27.99/mo Premium). Plagiarism reports return originality + matched-spans + source links — the same shape Scribbr produces — and feed directly into the AI Humanizer and Paraphrase tools for a check-rewrite-recheck loop. Free tier includes 3 plagiarism scans / month.
Scribbr is best known for its premium plagiarism checker (powered by the same database as university-grade tools) and its free citation generator. Plagiarism checks are sold per-document at $19.95–$39.95 per use depending on word count, with no monthly subscription option. The premium scan now bundles a free AI Detector and AI Proofreader. Scribbr also operates a paid human-editing service. It does not draft papers, build slides, generate charts, or offer a humanizer.
Feature matrix
Side by side
Each cell reflects publicly available information. Where a feature varies by plan or is not publicly documented, the cell is marked as such.
Pick Acadly AI when
- You want a flat monthly subscription instead of pay-per-scan — 30 plagiarism scans/month on Pro versus paying $19.95 every time.
- You need to draft, edit, and present papers, not just check finished ones.
- You want the AI Detector and Humanizer to feed each other — flag a span, rewrite it, re-detect — without re-uploading.
- Your work includes slides and figures alongside the paper.
Pick Scribbr when
- You only run plagiarism once per major submission and want a one-off transactional check, not a monthly subscription.
- You want Scribbr's database depth on plagiarism matching, which is a long-established product backed by the Quality Group.
- You need professional human editing services — Scribbr offers paid human proofreaders, which Acadly AI does not.
Credibility matters. We list scenarios where Scribbr fits better because conceding an honest tradeoff is more useful than pretending we win every fight.
From the blog
Further reading
Acadly AI vs Scribbr: Subscription vs Pay-Per-Document for Plagiarism and Integrity Checks
Scribbr charges $19.95 per document for a plagiarism scan, no monthly subscription. Acadly AI is $17.99/mo flat and includes 30 plagiarism scans, 50 AI detector scans, and seven additional tools. The math is simple: one Scribbr scan costs more than a month of Acadly.
AI Detector and Plagiarism Checker: The Final Two Checks Before Submission
How to use the Acadly AI Detector and Plagiarism Checker as the last safety net on a manuscript, and what their scores actually mean.
Frequently asked
Is Acadly AI cheaper than Scribbr for ongoing plagiarism checks?
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If you check more than one document per month, yes. A single Scribbr plagiarism scan starts at $19.95, while Acadly AI Pro at $17.99/mo includes 30 plagiarism scans per month plus 50 AI Detector scans, grammar checks, paraphrase, humanizer, drafting, slides, charts, and document chat.
Does Acadly AI's plagiarism checker match Scribbr's accuracy?
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For per-author submission checks, yes — Acadly AI returns an originality gauge, a plagiarism gauge, and matched-spans with source links. Scribbr has built a longer track record on plagiarism specifically and licenses university-grade databases. For institutional or thesis-final scans where Scribbr is a habit, run both.
Does Acadly AI offer a free citation generator like Scribbr?
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Acadly AI generates citation placeholders inside the Research Writer (APA on Free, MLA + Chicago on Pro, IEEE on Premium). Scribbr's standalone Citation Generator is a strong free tool covering 1,000+ styles. The two complement each other — use Scribbr to generate a single citation, use Acadly AI to draft the whole paper.
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Comparison
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Try Acadly AI free
Draft papers, build slides, design charts, and check submission safety in one workspace. No credit card required on the Free plan.
Feature comparison based on publicly available information as of 2026-04-24. Plans, pricing, and features may change. If you find an error, contact us and we will correct it.