I installed the WAVES Lite Client from the Github repository here:
http://www.wavesclient.netIt is all original, no modification by me. I can login to it now from my iPad with Safari
Should be safe, because all data is saved locally, but no guarantee, because the hosting provider (or me) theoretically could modify the JavaScript scripts to capture your login data, or someone in-between, because the website traffic is not SSL encrypted.
If you don't care, have fun, and donate to 1W3PM76Z2awCbMMgTxKsF3qYPWc2sML7gQx2z to keep the server running, if you like it.