IELTS is an English proficiency test for studying in Commonwealth countries.
SAT (Academic Assessment Test) is commonly known as "American College Entrance Examination". It is an exam that American high school students need to take to enter American universities. Its importance is equivalent to the college entrance examination in China, and it is also an important reference for high school students from other countries to apply for undergraduate study in American universities.
ACT is a standard entrance examination for American high school students to apply for American universities, which is equivalent to the American college entrance examination. Including Chinese and math. American universities not only take ACT as the admission condition, but also as one of the main bases for granting scholarships. After taking the ACT exam, China candidates can directly apply for admission and scholarships from American universities, and get the same treatment as American students.
Both ACT and SAT are called "American College Entrance Examination". They are not only one of the admission conditions of American universities, but also one of the main bases for universities to grant scholarships, and are the test standards of students' comprehensive ability. Different from SAT, ACT test is more like a subject test, which emphasizes candidates' mastery of course knowledge and also gives consideration to the test of candidates' independent thinking and judgment ability. From the difficulty point of view, ACT is easier than SAT, especially for domestic candidates, it may be easier to get relatively satisfactory results in a short time by choosing ACT. Because the SAT has a wider scope, including reading, mathematics and writing, and the SAT includes two parts: SAT 1 and SAT2, which tests the comprehensive critical thinking ability of candidates and is a real top-notch exam.