N20 and N50 Recharge Cards Now Available in Nigeria - Useful or Useless?

N20 and N50 Recharge cards for many is not matured or does not have anything to offer at all. But I tell you, most people cheerfully grasp this, as it will be an alternative to borrowing from Network providers and some other reasons best known to them.
OneCard is the company behind the
N20 and N50 recharge cards , this company provides services for different platforms which include; phones, Cable TV subscription, toll fees, fuel vouchers for various consumers in Nigeria.
The company currently run recharge card adverts on various prevalent social media platforms e.g. Facebook.
One Unique thing about this company is that its vouchers can be used to recharge all lines (MTN, Airtel, Etisalat, Glo etc)
Useful or Useless?