Well ,it depends on many factors like the county you opted to go for and the university or educational organization you apply for . IELTS is needed not only for academic people ,as it has two forms of test(Academic and General ) it is required by many English speaking countries for migration purposes too .
TOEFL is mainly required by American and Canadian universities .If you plan to do your higher studies in one of these countries ,it is better to start learning TOEFL.
Countries like Great Britain (UK) ,Australia always prefer IELTS for their university admissions and migration purposes .
If you are not sure about the type of test you should take for the country you wish you go ,just visit us and have a free consultation . Please call and get an appointment before make a visit .