Youtibao is a search software specially designed for college students. Self-taught, adult, RTVU, full-time undergraduate and other academic degrees can search the answers to exercises and papers online. Features: You can search for questions through words, sounds and photos, and get wonderful answer analysis. At the same time, it also meets the needs of people with research needs. There is also a course learning function, which can help you digest test sites, solve doubts and take shorthand knowledge points in time. There are ios and Android versions. It's good to learn easy search online course. Features: mainly online courses, which are used by people who want to search for answers in textbooks. There are web versions and ios Android versions. Go to school to find the answer. Anyone with a little Internet complex knows that. The question bank is rich and the questions are not bad. Secondly, the search function is super easy to use. There are many kinds of exams for search questions, which are similar to excellent questions, but other than that, there is no income. PP question bank, which is a search software developed by the test data network, is similar to the function of going to school. You can search for questions and do them online. You can compare which software is better for searching questions.