Hi guys, I want to share a review on this app it is very usefull and compatible app for non "volté" mobile phone. even if you are not using an volté mobile phone which is runs on 4g LTE but not volte. and you want the benefit of jio cheapest rate you have to download this one! it is available on both platform android and ios as well. I am using iphone 5s which is an LTE mobile phone but few months ago I can only able to run internet on this device but they launch there app called jio4gvoice app for ios which is happy news for me. and iam able to use all the jio services now thanks to jio. but there are a loop hole we cannot receive calls when the app is not running in background. otherwise it is very awsome app!