Numerous for iOS has been updated with three new channels today: Google Sheets, Tesla and Celestial Events, including SpaceX.
The Sheets channel is of particular importance as you can track any number or date in a Google spreadsheet. For instance, you could track changes to your checking account balance, your company's monthly recurring revenue and even the results of a survey created using Google Forms.
Of course, it's just as easy to track any other number or date in a Google Sheets spreadsheet. You can even elect to be notified when values change or exceed a threshold you set.