AirtimeDataHub is the best app to buy and sell airtime and data.

It allows you to instantly convert airtime to cash, pay bills, and more.

AirtimeDataHub offers top-up services for most operators in Nigeria. You can buy and top-up airtime and data at discounted prices, pay bills, and get instant cash.

The app also offers an opportunity to buy data and airtime from your contacts, making it easy to get the best deals for your friends and family.

The app also allows you to transfer funds to your family, friends, etc., and even pay bills.