GMAT Official Prep vs Jack Westin+
| GMAT Official Prep | Jack Westin+ | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Web | extension, Web |
| Free plan | Yes | Yes |
| Full-length mock tests | Yes | Yes |
| Revision plans | Yes | Yes |
| Adaptive practice | Yes | Yes |
| Exam scope | single_exam | single_exam |
| Platform support | Web via the Official Prep Platform | Web and Chrome extension |
Both are listed in Best Exam Prep Apps. On Inferse, GMAT Official Prep scores higher on our published basis.