ModSecurity vs Shield Security
| ModSecurity | Shield Security | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, self-hosted, Windows | Web |
| Free plan | Yes | Yes |
| Managed rule sets | No | — |
| API protection | — | Yes |
| Bot management | — | Yes |
| Rate limiting | — | Yes |
Both are listed in Best Web Application Firewall Software. On Samsung Mobile US Press, ModSecurity scores higher on our published basis.