According to AlphaMoat, in 2026-09 the AI app Prep saw 14,251 downloads over the last 30 days — ranked #1,330 of 2,900 AI apps, and #77 of 174 in Education & Research; its top market is Vietnam (79.2% of downloads).
What is Prep
Prep is an English test-prep app whose AI Virtual Room recreates exam conditions for IELTS and TOEIC. Answers are graded against the same criteria an examiner uses, and a study plan keeps the route through lessons organised.
- 01AI virtual practice room covering Listening, Reading, Writing and Speaking
- 02exam-format questions graded against IELTS scoring criteria
- 03a study plan that arranges lessons and tests from the goals a student sets
- 04a mock-test library with prediction tests for recent exam formats
- 05course storage for tracking progress
Free to download from the App Store.
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Data month: 2026-09 · Downloads and in-app purchase revenue are third-party estimates (trailing 30-day window), aggregated monthly. Revenue covers App Store and Google Play in-app purchases (including subscriptions) only — excluding Android app stores in mainland China and other payment channels such as web subscriptions. See methodology.