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SPECIFICTION
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GMAT Official Prep vs OnePrep

GMAT Official Prep

mba.com

OnePrep

oneprep.com

Side by side

FigureGMAT Official PrepOnePrep
Price fromFreeFree
Free planYesYes
Free trial——
Open source——
WebYesYes
macOS—Yes
iOSYesYes
AndroidYesYes
Plans published25
Spec score · Exam Prep Apps9.1 (#3)8.7 (#17)
Adaptive practiceYesYes
Exam scopesingle_exammultiple_exam_types
Free planYesYes
Full-length mock testsYesYes
Platform supportWeb via the Official Prep PlatformWeb, iOS, Android
PurposeGMAT Official Prep products help candidates become familiar with the exam format, question types, pacing, and scoring.OnePrep provides preparation for Digital SAT, ACT, and AP exams.
Question bankThe Online Question Bank supports custom practice sessions, filtering by topic and difficulty, progress tracking, and timed practice sessions.The site advertises 4,000+ human-written Digital SAT questions with step-by-step walkthroughs.
Revision plansYesYes
SupportThe help center directs users who cannot locate an activation code to contact Customer Care.Support is available through the help center, email at [email protected], and chat for signed-in users.

Plans

GMAT Official Prep

  • Free Official Starter KitFree
  • Premium GMAT Study Collection 2026-2027 Bundle$299.99, paid once

GMAT Official Prep pricing →

OnePrep

  • FreeFree
  • Plus$148.30, paid once
  • Pro$165, paid once
  • Plus (November SAT)$148.30, paid once
  • Pro (November SAT)$165, paid once

OnePrep pricing →

In their own words

GMAT Official Prep

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OnePrep

OnePrep has no write-up on Specifiction yet; its figures are above.

Visit oneprep.com