IELTS stands for INTERNATIONAL ENGLISH LANGUAGE TESTING SYSTEM.

GRE stands for GRADUATE RECORD EXAMINATIONS.

IELTS is an English proficiency test required for applying to various countries on student visas and immigration. IELTS includes LISTENING, READING, WRITING and SPEAKING modules.

However, GRE is a standardized worldwide test helpful to get a Master's degree. GRE has Verbal ability, Quants and AWA.

The International English Language Testing System (IELTS) is a standardized English language proficiency test that is required for study, work, and immigration in many countries. It is designed to assess the language ability of non-native English speakers. The IELTS test measures the four skills of listening, reading, writing, and speaking, and there are two versions of the test: the Academic version, which is intended for people who want to study at the university level, and the General Training version, which is intended for people who want to work, train, or migrate to an English-speaking country.

The Graduate Record Examinations (GRE) is a standardized test that is required for admission to most graduate schools in the United States and other countries. It is a multiple-choice exam that measures verbal reasoning, quantitative reasoning, critical thinking, and analytical writing skills. The GRE is not a test of specific subject knowledge, and it is not exclusively focused on English language proficiency. Instead, it is designed to assess the general skills and abilities that are necessary for success in graduate-level coursework.

In summary, the IELTS is a test of English language proficiency, while the GRE is a general aptitude test that is required for admission to graduate school