Stimuler review
A mobile speaking coach with AI feedback, mock tests, and a 5,000+ lesson library.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Stimuler is a mobile English-learning app centered on spoken fluency, for learners who want regular speaking practice and feedback. Its AI conversation coach responds to grammar, pronunciation, and vocabulary, while impromptu 60-second prompts and themed conversations with AI coach Sarah provide different ways to speak. The app also includes vocabulary flashcards, progress analytics, and mock tests for IELTS, TOEFL, and workplace scenarios. Its focus suits independent learners who want speaking practice alongside broader English lessons, rather than a desktop-based learning tool.
The free plan offers 5 AI conversations per day, 100 core lessons, basic vocabulary flashcards, and community support. Paid plans remove the daily conversation limit and provide the full library of 5,000+ lessons, a personalised learning path, live mock tests and reports, offline downloads, and priority support. The Annual plan costs 999 INR per year; the Monthly plan costs 199 INR per month. A 7-day free trial is available, and no card is required for the trial. The free tier gives learners a way to begin without a subscription, while the annual plan costs less than paying the monthly rate for a full year.
Stimuler’s strongest fit is for learners who value spoken practice: instant feedback, timed prompts, and exam-style mock assessments connect practice with specific skills and goals. The wider library includes grammar, vocabulary, reading, and listening lessons, with spaced-repetition flashcards and audio pronunciation for vocabulary review. Its limits are practical: the apps are available on iOS and Android, not desktop, and offline lessons require a paid plan. Learners seeking a mobile speaking coach with mock tests and a low annual price may find a good match; those who need desktop access or prefer a non-speaking-centered approach should look elsewhere.
Stimuler pros and cons
- Where it wins
- AI feedback covers grammar, pronunciation, and vocabulary.
- IELTS, TOEFL, and workplace mock tests include reports.
- Annual plan adds 5,000+ lessons and offline downloads.
- Where it doesn't
- Available on iOS and Android only.
- Free plan limits AI conversations to 5 per day and lessons to 100.
- Offline lesson downloads are included only with a paid plan.
Stimuler fact sheet, pricing and score →
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