Buying an English exam voucher in advance offers multiple advantages, like financial benefits, time management, stress-free booking, and rescheduling options. Those applicants who prepare for English proficiency tests like PTE, TOEFL, IELTS, and Duolingo can buy vouchers to make their exam journey easier and improve their exam experience. Exam vouchers are discounted prepaid codes used to book the English exams. These vouchers can be easily redeemed on the exam booking portal.