GMAT Official Prep
8.3#3 in exam prep apps$299.99 one-timeFree planAndroidiOSWeb
VisitGMAT Official Prep vs Tassomai
What both publish
| Fact | GMAT Official Prep | Tassomai |
|---|---|---|
| Adaptive practice | Yes | Yes |
| Exam scope | single_exam | multiple_exam_types |
| Founded | 1953 | 2012 |
| Free plan | Yes | No |
| Headquarters | Washington, DC, United States | London, United Kingdom |
| Intended users | The Official Guide is described as a comprehensive self-study resource, while Official Practice Questions are for candidates seeking focused practice in specific content areas. | The product is presented for families, home-educating families, SEND learners, teachers and schools, with family subscriptions organized by school year. |
| Platform support | Web via the Official Prep Platform | Web, iOS and Android |
| Purpose | GMAT Official Prep products help candidates become familiar with the exam format, question types, pacing, and scoring. | Tassomai provides adaptive learning and revision through daily retrieval practice for students preparing for exams including GCSEs and 11+. |
| Revision plans | Yes | Yes |
| Support | The help center directs users who cannot locate an activation code to contact Customer Care. | The company lists email support at [email protected] and school-customer support through a Customer Success Manager or [email protected]. |
GMAT Official Prep plans
- Free Official Starter KitFree
- Premium GMAT Study Collection 2026-2027 Bundle$299.99, paid once
Tassomai plans
- Years 3 to 6£8.99 a month
- Years 7 and 8£29.99 a month
- Years 9 to 11£44.99 a month
- Mai Unlimited£3.99 a month
- Years 3 to 6 family subscription£8.99 a month
- Years 7 & 8 family subscription£29.99 a month
Pick GMAT Official Prep if…
It suits GMAT candidates who want official materials for self-study, realistic scoring, and structured revision. Focused practice options fit learners targeting particular content areas, while the Official Guide supports broader preparation.
Pick Tassomai if…
You want what its maker publishes above — check its page for the details.