The prices above are per developer and include multiple platforms with no royalties and hidden fees. For a detailed pricing matrix and FAQ check out this page. Codename One provides 100% no questions asked money back guarantee for all purchases made via PayPal. Payment can be done using credit cards (thru PayPal) or via SWIFT bank transfers (and invoice) for annual accounts of pro grade or higher. To use the SWITF invoicing/purchase order option just signup for a free account and click the right invoicing option within the subscription tab.