The following are several useful test paper detection softwares and their selection methods:

PaperFree: This software has intelligent multi-dimensional algorithm, which can quickly and accurately detect the repetition rate of papers, and provide detailed detection reports and suggestions for revision. At the same time, PaperFree also supports Chinese and English tests, which is suitable for users.

Papertime: This software has the world's leading intelligent algorithm, which can accurately identify citations and plagiarism in papers and provide detailed test reports and suggestions for revision. In addition, Papertime also supports online real-time detection and automatic typesetting, which is convenient for users to modify papers.

PaperDay: This software has a fast, accurate and comprehensive paper detection function, which can identify quotations, notes and self-copied contents in papers, and provide detailed detection reports and suggestions for revision. At the same time, PaperDay also supports multiple file formats and multilingual detection, which is very suitable for users.

When choosing paper inspection software, you need to consider the following aspects:

Accuracy: It is very important to choose an accurate paper detection software, because if the detection result is inaccurate, it may have a negative impact on paper quality. You can judge the accuracy of the software by looking at the evaluation and experience of other users.

Database: A good paper detection software should have a comprehensive database, so as to cover all kinds of documents and accurately detect the repetition rate of papers.

Intelligent algorithm: A good paper detection software should have intelligent algorithms, which can automatically identify citations and plagiarism in papers and avoid misjudgments and missed judgments.

Report quality: A good paper detection software should provide detailed detection reports and suggestions for modification, so that users can better understand the detection results and make modifications.

Price and service: When choosing paper inspection software, you also need to consider the price and service support of the software. Some software may provide a free trial version, while others need to be used for a fee. When choosing, you need to choose according to your own needs and economic ability.

In a word, choosing a good paper detection software needs to consider many aspects, including the accuracy of the software, database, intelligent algorithm, report quality, price, service support and so on. At the same time, you can also refer to the evaluation and experience of other users to make a choice.