Canadian computer guys Raul Rupsingh and Stephen Beath volunteered in senior centers and tested their simple 5-button interface with genuine grandmas. Now, their web-based subscription software is used in many Canadian retirement and nursing-home chains. The home version costs $8 per month or $149 for a year of access, support, and upgrades. It is available in eight languages including Hindi and simplified or traditional Chinese. PointerWare works on Windows-based PCs and tablets. It is not compatible with Apple products.