There is an app so to speak, it’s just not in tbe app store. You click the go full screen the first time & it will put an icon on your phone screen just like any other app. You can then sync & see todays, yesterday’s & tomorrows jobs & mark them off etc. Also you can add expenses, mark off debts & add a new job. All works with no signal except for the sync obviously.
Only problem I have is sometimes i might have to alter mine or employee’s worksheet whilst out & about but i have no signal. Even if i do, it’s very hard using the main program on a phone. Zooming in & out, switching planner, dragging jobs etc is difficult.