| Price from | Free | $15/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | Yes |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 4 |
| Spec score · Nonprofit Membership Management Software | 8.4 (#7) | 8.9 (#4) |
| Events | Members can commit to or cancel events, and the documentation lists iCal export support. | Its event tools support registrations, configurable participant information, pricing, and automated communications. |
| Free plan | Yes | Yes |
| License | Admidio is distributed under the GNU General Public License version 2.0. | CiviCRM 2.x and later is licensed under GNU AGPL 3 with a CiviCRM Licensing Exception. |
| Purpose | Admidio is free online membership management software optimized for clubs, groups, and organizations. | CiviCRM is a web-based, customizable open-source CRM for nonprofit and civic-sector organizations. |
| Support | The site directs users to its forum for support and development information. | Support options include documentation, Stack Exchange, community chat, events, release notes, bug reporting, and professional consulting. |
