| Tool | Cost (approx.) | Database Size | |------|----------------|----------------| | (plagiarism checker) | $30/month | 16 billion web pages | | Quetext Pro | $15/month | 35 billion web + academic papers | | PlagScan | $20 per 100 pages | Proprietary + web | | Unicheck | $30/month | 91 billion web + library databases |
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