Yes, you do not need IELTS scores to apply to multiple universities if you have a degree from an English-medium college or university. Your previous university will be able to provide you with an official declaration letter and a certificate of English proficiency. This letter specifies that you have completed all your courses/programs in English. This letter can be used as a substitute for IELTS certificates. Some of the universities in Singapore where you can study without IELTS are as follows: