All plans include an amount of file storage space. The amount of file storage you have does not reset every month. If your app requires more than what is included in the plan, you can purchase additional storage.

The most amount of file storage you can get on a non-Enterprise app is 3TB. This requires you to be subscribed to a Team plan and then additionally purchase 2TB of add-on storage.

Storage costs are $3 per month for 100 GB.