You will be given the option to create an allowance when you first add a new Child profile. If you haven't done this yet, or if the allowance has changed since you created the profile, you can follow the steps below to create or edit the allowance.
To create an allowance:
Tap on the profile picture of the child who's allowance you wish to edit
Tap Menu in the top right corner
Tap 'Allowance'
Tap the notepad and pen next to the Allowance
Here you can edit their allowance
To edit an existing allowance, just follow the same steps as listed above and then tap the allowance setting you want to change.
If you want to pause an allowance, you can follow the steps above and then in 'Allowance Settings' toggle off 'Allowance On'