When an update is available, the App Store icon will appear with a number notification.
Important:
Wi-Fi must be turned on to run a software update.
To update your TouchChat app beyond version 2.39, your device must be running iPadOS 14 or iOS 14 or higher.
Updating the App
Open the App Store.
Select your Apple Account profile icon.
Select Update to open a list of apps that are not up to date.
Select Update next to an app to update only that app or select Update All.