FTP Attachments® Pro differ from Basic version by providing following features -
- Maintain Document version.
- Access history of all attachments.
- Restrict/Allow duplicate file names and extensions.
- Organize attachments in folder structure.
- Send Email from within Salesforce with FTP Attachments®.
- Web Service API to integrate with other applications.
For detailed comparison please visit our site http://www.ftpattachments.com .