The AccuBrew sensor requires an online portal to record and store the data to improve your products and provide the apps necessary to monitor, compare, and share data. The apps powering the AccuBrew system will always be a work in progress. To support continued development of the app and device firmware, a decision was made to be a monthly subscription service as opposed to relying on intrusive popup ads or selling users personal info. Subscriptions also reduce the upfront cost of the sensor, making getting started more affordable.