Similarity & AI
Detection
Upload a document and get two scores back: how much of it matches other sources, and how much reads as AI-written. Each comes with a PDF report you can download. Buy checks when you need them — no subscription.
Simple, pay-as-you-go pricing
Buy checks whenever you need them. One price per check, no subscription.
Buy check credits
Choose how many checks you want
Why EssayCheckPro?
Two reports in one check, simple pricing, and your check back if anything goes wrong.
AI + Similarity
Every check returns a similarity score and an AI-writing score, each with its own PDF report.
Pay per check
No subscription. Buy only the checks you need.
Refund if a check fails
If a check can’t be completed, the check goes straight back to your balance.
How it works
Your similarity and AI check in three steps.
Upload your document
Drag and drop or pick a file from your computer.
Use one check
Each document uses one check. Top up any time — no subscription.
Get your reports
See your similarity and AI writing scores in My Files and download both PDF reports.
Ready to check your document?
Upload it now and get your similarity and AI writing reports. Pay only for the checks you use.
Upload & get report Results depend on the checking service’s queue; busy periods can take longer.