QU-IELTS works on smartphones, tablets (iPad and all others), laptops, and desktops.
This website also works in all browsers, although like all websites QU-IELTS works better in some (e.g., 1
Chrome and Safari) than in others. You'll discover by yourself the best browser for you when learning with QU-IELTS.Whenever / any time
you want to practise and learn with QU-IELTS, and whenever / any time
you want to only do listening, reading, writing or speaking, that’s entirely / totally / completely up to you. Choose what
? Choose small tasks / exercises when you have little time, and choose longer tasks / exercises when you have more time.