Congress Plus Advocacy vs Muster
| Congress Plus Advocacy | Muster | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $99/mo |
| Open source | No | No |
| Platforms | Web | Web |
| Petition tools | Yes | Yes |
| Legislator outreach | Yes | Yes |
| Action campaigns | Yes | Yes |
| Grassroots organizing | Yes | Yes |
| Advocacy analytics | Yes | Yes |
| SMS messaging | Yes | Yes |
| Free plan | — | No |
| Paid from | — | 99 /mo |
Both are listed in Best Advocacy Software. On Samsung Mobile US Press, Congress Plus Advocacy scores higher on our published basis.