Yes, you can use Claimable on your mobile device.
Because Claimable is a web application you can access Claimable from the built-in browser on your phone or tablet by visiting the same URL you use to access Claimable on the desktop.
For optimum mobile usability and to maximise the available width, we suggest the following:
Use the device in landscape mode.
Minimise the Claim Info sidebar, when viewing claims.