A non-nicotine electronic vaping device comprising: a non-nicotine pod assembly including a memory storing a non-nicotine pre-vapor formulation vaporization parameter and an aggregate amount of vaporized non-nicotine pre-vapor formulation, a non-nicotine reservoir to hold non-nicotine pre-vapor formulation, and a heater configured to vaporize non-nicotine pre-vapor formulation drawn from the non-nicotine reservoir; and a device assembly configured to engage with the non-nicotine pod assembly, the device assembly including a controller configured to estimate an amount of non-nicotine pre-vapor formulation vaporized during a puff event based on the non-nicotine pre-vapor formulation vaporization parameter obtained from the memory and an aggregate amount of power applied to the heater during the puff event, determine an updated aggregate amount of vaporized non-nicotine pre-vapor formulation based on the aggregate amount of vaporized non-nicotine pre-vapor formulation stored in the memory and the amount of non-nicotine pre-vapor formulation vaporized during the puff event, determine that the updated aggregate amount of vaporized non-nicotine pre-vapor formulation is greater than or equal to at least one non-nicotine pre-vapor formulation level threshold, and control the non-nicotine electronic vaping device to output an indication of a current level of the non-nicotine pre-vapor formulation in the non-nicotine reservoir in response to determining that the updated aggregate amount of vaporized non-nicotine pre-vapor formulation is greater than or equal to the at least one non-nicotine pre-vapor formulation level threshold. a non-nicotine pod assembly including a memory storing a non-nicotine pre-vapor formulation vaporization parameter and an aggregate amount of vaporized non-nicotine pre-vapor formulation, a non-nicotine reservoir to hold non-nicotine pre-vapor formulation, and a heater configured to vaporize non-nicotine pre-vapor formulation drawn from the non-nicotine reservoir; and a memory storing a non-nicotine pre-vapor formulation vaporization parameter and an aggregate amount of vaporized non-nicotine pre-vapor formulation, a non-nicotine reservoir to hold non-nicotine pre-vapor formulation, and a heater configured to vaporize non-nicotine pre-vapor formulation drawn from the non-nicotine reservoir; and a device assembly configured to engage with the non-nicotine pod assembly, the device assembly including a controller configured to estimate an amount of non-nicotine pre-vapor formulation vaporized during a puff event based on the non-nicotine pre-vapor formulation vaporization parameter obtained from the memory and an aggregate amount of power applied to the heater during the puff event, determine an updated aggregate amount of vaporized non-nicotine pre-vapor formulation based on the aggregate amount of vaporized non-nicotine pre-vapor formulation stored in the memory and the amount of non-nicotine pre-vapor formulation vaporized during the puff event, determine that the updated aggregate amount of vaporized non-nicotine pre-vapor formulation is greater than or equal to at least one non-nicotine pre-vapor formulation level threshold, and control the non-nicotine electronic vaping device to output an indication of a current level of the non-nicotine pre-vapor formulation in the non-nicotine reservoir in response to determining that the updated aggregate amount of vaporized non-nicotine pre-vapor formulation is greater than or equal to the at least one non-nicotine pre-vapor formulation level threshold. estimate an amount of non-nicotine pre-vapor formulation vaporized during a puff event based on the non-nicotine pre-vapor formulation vaporization parameter obtained from the memory and an aggregate amount of power applied to the heater during the puff event, determine an updated aggregate amount of vaporized non-nicotine pre-vapor formulation based on the aggregate amount of vaporized non-nicotine pre-vapor formulation stored in the memory and the amount of non-nicotine pre-vapor formulation vaporized during the puff event, determine that the updated aggregate amount of vaporized non-nicotine pre-vapor formulation is greater than or equal to at least one non-nicotine pre-vapor formulation level threshold, and control the non-nicotine electronic vaping device to output an indication of a current level of the non-nicotine pre-vapor formulation in the non-nicotine reservoir in response to determining that the updated aggregate amount of vaporized non-nicotine pre-vapor formulation is greater than or equal to the at least one non-nicotine pre-vapor formulation level threshold.