| Price from | — | — |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | — | Yes |
| Plans published | 3 | 1 |
| Spec score · DJ Software | 7.8 (#16) | 7.9 (#12) |
| Founded | 1996 | 1999 |
| Headquarters | London, United Kingdom | Clearwater, Florida, United States |
| Support | Technical support by email is limited to current license holders, and the maker directs users to web help and online documentation for product questions. | PCDJ provides a DEX 4 support page and lists sales office hours as Tuesday through Friday, 9 a.m. to 5 p.m. |
| Trial | The maker offers a free 30-day OtsAV DJ trial, and its download package includes Ots Studio, Ots Player, and audio/video sample files. | PCDJ offers a full-featured free trial of DEX 4, but the product page does not state its duration. |