On your iPhone and iPad, apps that you download from the App Store are automatically updated by default. But if there’s an issue, you can update an app manually.
Does iPhone automatically download iOS updates?
Your device will automatically update to the latest version of iOS or iPadOS. … With iOS 13.6, or iPadOS, you can choose not to download software updates automatically. Go to Settings > General > Software Update > Customize Automatic Updates, then turn off Download iOS updates.
Will iOS 14 automatically download?
You can also turn on automatic updates. Go to Settings > General > Software Update > Automatic Updates. Your iOS device will then automatically update to the latest version of iOS overnight when it’s plugged in and connected to Wi-Fi.