My english instructor suggested me to install merriam webster app and This one is the best app I have ever used.this one is the best and amazing app for those who wants to improve their communication skills.we can use this app as a dictionary and also as a pronunciation helping equipment.the most intresting thing about thus app is it’s word of the day.it regularly gives us a new world which will help to improve our vocabulary .this app is very helpfull for those who wants to improve their communication skills