GMAT Official Prep vs Lockin
| GMAT Official Prep | Lockin | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | £2.99/mo |
| Open source | No | No |
| Platforms | Web | Android, iOS, Web |
| Free plan | Yes | Yes |
| Full-length mock tests | Yes | — |
| Revision plans | Yes | — |
| Adaptive practice | Yes | Yes |
| Exam scope | single_exam | multiple_exam_types |
| Platform support | Web via the Official Prep Platform | Web, iOS, Android |
Both are listed in Best Exam Prep Apps. On Inferse, GMAT Official Prep scores higher on our published basis.