Do I have to pay to use WAMA? It depends by the amount of data that you need to store. Click here to view all the plans with the relevant usage limitations. Why do I have to pay to use WAMA? The WAMA mission is to facilitate the warehouse management. A typical warehouse management software has several disandvantages: Licence costs Installation costs Support costs Customised hardware (palm devices, servers, custom barcode readers) Costs to update the software and the hardware Energy costs to power servers and devices In WAMA all the data is synced on cloud servers.