The purpose of this paper was to determine the convenience of the M-banking in particular M-Pesa in the making of transactions in Kisii County, Kenya. The Technology Adoption Model (TAM) conceptualizes the use of the system. A quantitative research design was adopted and a sample of 272 respondents was selected. Data was obtained by the use of questionnaires and descriptive statistics were used to analyze the 230   questionnaires that were returned. The study established that the convenience that the M-Pesa system provides when making of different forms of payment is a great factor that has led to the adoption of the system.  Mobile Network Operators should work towards increasing the systems convenience by ensuring that there is a network coverage in all areas, including remote areas. Furthermore there is also need to ensure customers security by using the platform.