After using my airtel app I come to an conclusion that its good app for airtel customers because it show all details about your airtel number. It give you all balance detail of your main balance and internet balance. It also show your special offers which are on your number. You can also recharge form your airtel app eg: 2g, 3g, 4g, talktime, sms packs and so on. Through your app you can also see the network towers around your areas and known that your area have strong network or not. This app is basically a good app as per my opinion.