Airballoon vs HotCRP
| Airballoon | HotCRP | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | api, Web | api, Linux, self-hosted, Web |
| Free plan | Yes | Yes |
| Blind review | Yes | Yes |
| Submission types | mixed | mixed |
| Review stages | custom | multi_stage |
| Schedule builder | Yes | Yes |
Both are listed in Best Call for Papers Software. On The Geeks Club, HotCRP scores higher on our published basis.