According to AlphaMoat, in 2026-09 the AI app Stimuler AI saw 1,191,270 downloads over the last 30 days, with about $139.1K in app-store in-app purchase revenue — ranked #104 of 2,900 AI apps, and #9 of 174 in Education & Research; its top market is Indonesia (40.1% of downloads).
What is Stimuler AI
Stimuler AI is an English fluency app built around speaking practice, combining an AI tutor with realtime feedback and exercises. Learners record a short speech and receive instant feedback plus a score to track progress over time.
- 01Short speech recording with instant feedback on pronunciation, fluency, and vocabulary
- 02live video mock IELTS tests with a proprietary AI interviewer
- 03a large bank of speaking topics for exam preparation and casual conversation practice
- 04speech insights covering filler words, pace, tone, and awkward pauses
- 05personalized tips after every session
Stimuler provides free features for everyone, and premium access is priced at less than $5 per month.
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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.