RoboKiller for Android requires that your carrier supports a feature called Conditional Call Forwarding. Currently, we can't offer RoboKiller for carriers that do not support this feature, but we are actively working to try and get other carriers to add Conditional Call Forwarding.
Still have questions? Ask a live support agent!
Live Chat is available 10AM - 9PM EST. Simply tap "Chat with Support“ in the Settings menu of the RoboKiller app. Also available on www.RoboKiller.com