PaperOk and PaperPass are both conventional paper duplicate checking systems, each with its own advantages and disadvantages, so which one is better depends on your specific needs and preferences. PaperPass is generally suitable for duplicate checking of the first draft, and PaperOk is more suitable for duplicate checking of the Chinese draft. If it is necessary to finalize the duplicate check, it is suggested to choose the corresponding duplicate check system according to the specific requirements of the school.

Different duplicate checking system algorithms and data stocks are different, and the duplicate checking results will be different. Therefore, when using any paper duplicate checking system, you need to choose a regular and reliable duplicate checking website. For the first and middle drafts, you can also use free duplicate checking websites such as paperfree and papertime. If it is finalized, it is necessary to use the duplicate checking system required by the school or periodical.