есть значительная разница между IELTS for UKVI и IELTS for UKVI Life Skills? Они оба подходят для Skilled Worker visa?

Вряд ли Вам подойдет Life & Skills for Skilled Worker Visa С сайта IELTS: ELTS Life Skills - A1, A2 and B1 IELTS Life Skills - A1: is for the family route • Family life as a partner of a settled person (spouse/partner) • Family life as a parent (parent of a dependant). IELTS Life Skills – A2: is for the family route (extension) • Family life as a partner of a settled person (spouse/partner) • Family life as a parent (parent of a dependant). IELTS Life Skills – B1: Indefinite leave to remain • Settlement/permanent residency. IELTS Life Skills – B1: British Citizenship • Naturalisation. Life and Skills покрывает только 2 навыка ELTS Life Skills is an English test for people who need to prove their English speaking and listening ability as part of a visa or immigration application.

Life skills для супругов, пмж и натурализации, это упрощенный тест. вам нужен обычный, полный тест.