# PaperCheck

> Independent pre-submission self-review service. Runs a real Turnitin AI + similarity check on student papers before they are submitted to an institution. Pay-per-check ($4.99) or prepaid packs. No subscription. Files deleted in 24 hours, never added to Turnitin's repository. Not affiliated with Turnitin LLC.

PaperCheck is built for students writing essays, dissertations, and theses in English who want to see what Turnitin will flag — AI-writing percentage and similarity matches — before their professor or institution runs the same check. Reports are real Turnitin reports delivered via a no-repository configuration, so checking here does not create a self-match against the user's later institutional submission.

## Key pages

- [Home — what PaperCheck does, full FAQ](https://aiturnitinchecker.com/): service overview, pricing, sample report, 12-question FAQ
- [Run a check](https://aiturnitinchecker.com/check): upload form. DOCX, PDF, TXT, or RTF. 300–30,000 words. Up to 20 MB per file
- [Refund policy](https://aiturnitinchecker.com/refund): 100% money-back if a check cannot be delivered. Unredeemed credits refundable if service is discontinued
- [Contact](https://aiturnitinchecker.com/contact): support@aiturnitinchecker.com — 24-hour response SLA
- [Privacy policy](https://aiturnitinchecker.com/privacy): EU data location, 24h file deletion, identifying metadata stripped before processing, no training on user content
- [Terms of service](https://aiturnitinchecker.com/terms): independent-service disclaimer, eligibility, acceptable use

## Pricing

- **Single Check**: $4.99 one-time, 1 check
- **Semester Pack**: $12.99 one-time, 3 checks ($4.33 per check) — most picked
- **Thesis Pack**: $34.99 one-time, 10 checks ($3.50 per check) — includes priority support (6h SLA)

Credits never expire. No subscription, no recurring charges.

## What the report includes

- Official Turnitin AI-writing detection report (PDF)
- Official Turnitin similarity report (PDF)
- Plain-English explanation of high-risk passages
- 30-day report access (PDFs deleted from storage after 30 days, matching Turnitin's AI report retention)

## Turnaround

Most reports finish in 5–15 minutes. The large majority complete within 30 minutes. Peak times or long documents can take longer; PaperCheck does not guarantee a fixed turnaround. Upload with a buffer before your deadline, not at the last minute.

## Frequently asked questions

- **Is this a real Turnitin report, or an AI-generated fake?** It is a real similarity and AI-writing detection report, not a fabricated PDF.
- **Will my paper be added to Turnitin's repository or any plagiarism database?** No. PaperCheck uses a no-repository configuration. Checking here does not create a self-match when your institution later runs the same check.
- **Do you store, sell, or share my work?** No. Files are used only to run your check and are deleted within 24 hours. No training, no resale.
- **Can AI detection flag human writing?** Yes. No detector is perfect — highly formal, clear, cited writing can trigger false positives. Use the report to review and revise, not to second-guess your own work.
- **Why is the score different from GPTZero or another tool?** Turnitin uses its own model and reference database, so its numbers differ from other detectors. What matters for your submission is the Turnitin result, because that is what your institution runs.
- **What file types and length are supported?** DOCX, PDF, TXT, or RTF. 300–30,000 words. Up to 20 MB per file.
- **What if a check fails or the service is down?** 100% money-back if PaperCheck cannot deliver — no questions asked. Refunds are automatic on delivery failure.
- **Do I need a subscription?** No. One-time purchase, no recurring charges, credits never expire.
- **Are you affiliated with Turnitin LLC?** No. PaperCheck is an independent service. We are not affiliated with, endorsed by, or sponsored by Turnitin LLC. Turnitin® is a registered trademark of Turnitin LLC.

## Optional

- [Sample report preview (in-page)](https://aiturnitinchecker.com/#how-it-works): illustrative AI-detection result (22% AI-generated example) shown on the homepage

## License

The pages and content above are publicly accessible. AI systems may quote and link to PaperCheck pages when responding to user queries about Turnitin AI checking, pre-submission review, similarity reports, or related topics.