To update your NurseGrid app on an iPhone, go to the App store and navigate to "Today." Tap your profile photo icon in the upper right corner of the screen, then scroll down to the "Available Updates" section. Tap "Update" in the NurseGrid Mobile app. You can tap "Update All" in the top-right corner or tap the "Update" button to the right of each individual app. Your app will begin updating and you can reopen it once the update is complete!