The iOS Settings combine the storage size used for all files in the folder shared by the application and all its extensions (the ‘shared container’), the files used to provide documents to the Files app, and the Spotlight index.
The Help popover shows the total of the data store folder on the device, comprising of the downloaded document files, the metadata database, the full-text index database, previews, thumbnails, all the files needed by sync, and some temporary files.The Info popover for a database shows the sum of the sizes of all documents in the database, regardless if they are downloaded to the device or not.The sizes shown for individual databases, for DEVONthink To Go as a whole, and in iOS’ Settings can differ.
