Feature	Mass File Download App	Mass File Migrate App
Purpose	To download files to location machine	To migrate files from source to destination Salesforce org. (Assuming that the parent records are already migrated and source legacy Ids are store in destination org.)
Supported File Types	Files, Attachments, Documents, Library Files, Static Resources, Event Logs, Classic Notes, Lightning Notes	Files, Attachments, Classic Notes, Lightning Notes, Chatter Attachments, Inline Images, Library Files, Documents
Limit Per Operation	Up to 2,000 per page (MFD tab) and 5,000 per page (Lightning tab / Record Detail Component)	Migrate up to 50,000 files per operation
Pagination / Volume Handling	No file count limit; use pagination to move between pages	No limit; can migrate 50K files in each operation
File Size Limit	No file size limit for download	No size limit on UI migration; File size limit on migration via batch is 8.5 MB.
File Name Customization	Yes, File Name and Folder Name can be customized	No file name customization
Installation Requirement	Install in the source org to download files	Install in the source org to migrate files to the destination org
Component Availability	Object-level Lightning Components are available	No component; works at the object-level only
Tracking Support	Yes, the "Downloaded Files Tracking" tab shows download details	Yes, the "Migrated Files" tab shows migration details
Price	USD 480 (Base license). Additional features may require extra charges	Credit-based pricing, 10GB available at USD 999
Benefit	One-time license fee allows unlimited downloads. Additional charges apply for any additional features used.	Pay only for the number of files you migrate. No extra charge for unused capacity, purchase only the credits you plan to use.