MQTTAlert app is an MQTT client that allows you to monitor your devices for configurable conditions (door open,temperature > x degrees, etc). When the condition is met you will get a phone notification or a phone configurble sound alarm. Each received MQTT message is stored in a local database that can also be exported to csv file for analysis. Analog payloads are also displayed as time series. One can also configure each alert to publish commands depending on the alert status. For example you