The best alternatives to Countable 3.0 for iOS are Resistbot, Call To Action, and Democracy.io by EFF. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Countable 3.0 for iOS?
Agree.com— Free e-signature for everyone with invoicing and payments!
IssueVoter is a nonpartisan online platform that puts bills into layman's terms, along with what both sides are saying. Make your voice heard in Washington (w/ just 1 click) & and track whether you're being represented - becoming engaged easily between elections and an informed voter at election time.
Polliticly uses community sourced polling and seamless elected official messaging in effort to improve civic engagement and give people influence in local legislation.