There are a few ways to back up your apps to iCloud. You can either use iCloudBackup, iTunes Backup, or an app like Dr. Fone.
iCloudBackup is a built-in feature of iOS that automatically backs up your device to iCloudevery day when it’s connected to a power source and Wi-Fi. To use iCloudBackup, go to Settings iCloudBackup, and make sure iCloudBackup is turned on.
iTunes Backup is a feature of iTunes that you can use to back up your …