No need of going to shop for scretch cards maybe credo imekuishia uko kwa gari ama office tumia paybill ni rahisi, haakar na salmaa changamkia credo kiurahisi na kama unahitaji kufanya subscription kwa watu wa line ya airtel nunua 100 ruond ya kwanza alafu tena 100 bila malipo yoyote kukatwa nimewachanua