Charge 1: HowNet usually charges higher fees for individual users, and generally only provides duplicate checking services for enterprises. In contrast, PaperYY provides duplicate checking service for free.

2 Database and system functions: HowNet collects network resources harshly, and only papers that meet the collection requirements will be entered into the database. PaperYY, on the other hand, prefers network resources, while academic papers and other resources are less.

3 Ease of use: HowNet can usually only be used in the campus network, while PaperYY can be used anywhere with a network.

4 Accuracy of duplicate checking: There is little difference between HowNet and PaperYY in accuracy, and both can realize duplicate checking of texts and generate detailed duplicate checking reports. The duplicate checking report of HowNet will mark and highlight the parts with high text similarity more accurately.

HowNet is the system used by most schools, and the database is the most authoritative and standard in China at present. Papertime free paper duplicate checking is an auxiliary revision reference, which supports the functions of machine weight reduction and online weight change, covers about 70% of HowNet data, and can reduce the absolute cost of early detection fees. After finalizing the design, it is recommended to use HowNet for a final test, just to be on the safe side!