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Passed.AI

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The only academic integrity tool that shows you exactly how a document was written — Passed.AI's Replay Tool, Document Audit, Flow Score, and Originality.ai-powered detection give educators complete writing process visibility for $9.99/month with unlimited scans.

Freemium: Starting at $9.99/mo
Updated: April 12, 2026

Passed.AI is an educator-focused academic integrity platform co-founded in 2022 by Andrew Rains through Fractional SAAS Inc. (Canada). It provides AI Detection and Plagiarism Checking powered by Originality.ai, a writing process Replay Tool, Document Audit with Paste-In Analysis, Revision Tracking, Flow Score, Contribution Analysis, Time Investment Assessment, and a Chrome Extension for Google Docs.

It also offers Academic Honesty Reports for students wrongly accused of AI use. Pricing is $9.99/month for unlimited scans with 200 included credits, plus a 14-day free trial. AI detection is English-only; the Document Audit and Replay Tool work in all languages.

• Replay Tool — Watch exactly how a student wrote their document at adjustable playback speed; see every keystroke, deletion, paste, and revision in chronological sequence; the only tool in the reviewed academic integrity market that provides full writing visualization rather than a static score.
• Document Audit — Comprehensive per-document report including AI Reliance Score, Plagiarism Score, Paste-In Analysis (all pasted content with timing and source), Revision Tracking (detailed change history with timestamps), Flow Score (natural writing progression vs. AI insertion patterns), Contribution Analysis (individual inputs in collaborative documents), and Time Investment Assessment (duration spent on the document).
• AI Detection (Powered by Originality.ai) — Originality.ai is partnered directly into the Passed.AI platform for best-in-class AI detection accuracy; trained on ChatGPT, GPT-2, GPT-3, GPT-J, and GPT-4 outputs; returns sentence-level Human vs. AI probability scores; English only.
• Plagiarism Check (Powered by Originality.ai) — Identifies non-cited passages against external online sources; returns specific source matches; integrated into the same Document Audit report as AI detection for a unified submission review.
• Chrome Extension (Google Docs Integration) — Integrates Passed.AI's full Document Audit directly into Google Docs; enables in-app analysis without exporting documents to an external dashboard; the primary workflow path for educators using Google Workspace.
• Academic Honesty Reports — Students wrongly accused of AI use can submit their documents to Passed.AI for a formal, evidence-backed report using the same Document Audit and Replay Tool that educators use — providing a documented defense mechanism accessible directly through the platform.
• Credits System (Pay-As-You-Go) — Each subscription includes 200 credits per month that roll over and never expire; each credit covers up to 200 words at one cent per credit; credits unlock advanced AI detection and plagiarism scan features beyond the base unlimited scans included in the subscription.
• Flow Score — Measures the natural progression and coherence of writing within a document to distinguish organic human drafting patterns from AI-generated content blocks inserted in unnatural uniformity — a secondary check layer that reduces false positives from stylistically consistent human writers.
Pros
  • Replay Tool is unique in the academic integrity market — watch the full document writing process at adjustable speed; no other reviewed tool provides live writing visualization at any price point
  • Originality.ai partnership delivers best-in-class AI and plagiarism detection accuracy without Passed.AI needing to maintain a proprietary detection engine
  • Document Audit secondary checks (Paste-In Analysis, Flow Score, Revision Tracking, Time Investment) significantly reduce false positives and false negatives versus single-score detection tools
  • $9.99/month for unlimited scans is dramatically more affordable than Turnitin's institutional per-seat pricing for comparable academic integrity functionality
  • Chrome Extension integrates directly with Google Docs — the dominant writing platform in K-12 and higher education — enabling real-time monitoring without document exports
  • Academic Honesty Reports for students create a dual-purpose platform that serves both detection and defense — addressing the student fairness concern that most academic integrity tools ignore
  • Credits roll over and never expire — unused credits accumulate across months, providing budget flexibility for irregular detection workloads
  • 14-day free trial with full feature access and no credit card required
Cons
  • × AI Detection and Plagiarism Checking are English-only — the Originality.ai engine is not trained on non-English languages, limiting the platform for educators in multilingual classrooms or international institutions
  • × No API integration — documents must be submitted via the web dashboard or Chrome Extension; no programmatic bulk processing for institutions with high-volume automated review workflows
  • × Requires Google account login — no email/password registration option, creating a dependency on Google authentication that may create friction in non-Google Workspace institutions
  • × Limited payment methods — third-party reviewer confirms reduced accessibility due to narrow payment options versus credit card and PayPal standard coverage
  • × No live chat support — the absence of real-time support is a gap for educators dealing with urgent academic misconduct cases requiring immediate platform assistance
  • × Credits system adds billing complexity — determining credit costs per feature requires consulting the pricing documentation rather than a flat-rate all-inclusive subscription
  • × Document Audit and Replay Tool require the Chrome Extension for real-time Google Docs integration — users on non-Chrome browsers or non-Google Docs platforms must use the manual paste-and-scan workflow
Free Trial (14-Day, No Credit Card Required) Full access to all features including Document Audit, Replay Tool, AI Detection (Originality.ai), Plagiarism Check, Flow Score, Chrome Extension, and Academic Honesty Reports. No usage limitations stated during the trial period. Best for educators evaluating the platform before committing to a paid subscription.
Pro ($9.99/mo — Unlimited Scans) Unlimited document scans, access to the full suite of features (Document Audit, Replay Tool, History Report, AI Detection, Plagiarism Check, Chrome Extension, Academic Honesty Reports), 200 credits included per month. Credits roll over and never expire.
Credits System (Pay-As-You-Go add-on) Each credit costs $0.01 and covers up to 200 words. Scanning a 200-word document for AI detection plus plagiarism costs 2–4 credits depending on chosen advanced tools. Credits are purchased in addition to the standard subscription when the 200 monthly included credits are exhausted. Institutional and bulk credit pricing: contact Passed.AI directly for volume discounts.

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