To use SMS Client Reminders you need the following:
1. Web browser
Due to the interactive nature of SMS Client Reminders you need a modern web browser to run it. We support recent versions of the following (others might work too but this is not guaranteed):
Firefox
Chrome
Internet Explorer
Safari
Opera
Android browser
2. Javascript
Because SMS Client Reminders requires a lot of page interaction you must enable Javascript.
3. Cookies
Without cookies it's not possible to have secure sign in or account management, so they must be enabled.