| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Windows | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | — | Yes |
| Plans published | 13 | 2 |
| Spec score · Digital Painting Software | 9.1 (#1) | 7.7 (#28) |
| Support | Support is offered through an in-app Ask Us Anything channel, FAQ, manual, tutorials and email support. | The maker provides user guides, support documents, and additional help for Howler, with guides also available in Spanish and French. |
| System requirements | Minimums listed are iOS 15, Windows 10 version 19041 or Android 8, with 1GB memory on iOS/Android and 4GB on Windows. | The program is 32-bit and the maker recommends a 64-bit Windows version, DirectX 11 for GPU support, and a processor with SSE2 support. |