A system and method of detecting a sobriety of a subject utilizing a mobile device. The mobile device includes a processor and a memory storing historical data including movements indicating a drunk state, movements indicating a sober state, or a combination of both. The mobile device further includes a user interface, a recorder operable to capture a recording, and an accelerometer operable to generate acceleration values of movements of the recording. When the mobile device captures the recording of a subject performing movements, the processor compares the data on the memory with the acceleration values of the movements of the subject and produces an indication of either a drunk state of the subject or a sober state of the subject on the user interface.
