Originally Posted by AVS_Adult

AVS Adult - is the adult version of the tube submitter, database contains only adult tube sites.
AVS Tubes - is the mainstream version, database contains only general (mainstream) tube sites. AVS Tubes will be released next month.

Premium credits are required only if you want to upload your videos using OUR servers.

If you have your own dedicated server or VPS, running Windows OS, you can use AVS Adult to submit from your server without any additional costs.