What can make any new biomedical technology great is its accessibility to its beneficiaries. User can make simple approximate measurement of their heart sound or lung sound under the correct operations and then send it to his health provider (with subjects consent) immediately, which helps to improve their communication a lot. By simply placing the microphone of iPhone on the correct position on the chest and clicking on the recording button, the heart or lung sound can be recorded. Then user would be able to sent this general measurement result to his health provider (with subjects consent) via email.