Stimuler is an AI English speaking coach that gives non-native speakers a personal speech trainer in their pocket, with instant, detailed feedback on every sentence they say.
Stimuler is built specifically for English speaking rather than general language study, on the idea that fluent English is a form of social currency that private coaching has historically kept expensive. Practice takes a few repeatable forms. In impromptu speaking, you get a topic, speak for sixty seconds, and receive live feedback. In themed chats, you converse with the AI coach Sarah across more than twenty themes from family to technology, with sample answers and improvement tips included. Daily speaking tests assemble exercises customized to your individual strengths and weaknesses, sized to about ten minutes a day. Feedback scores pronunciation, grammar, vocabulary, and fluency, and the app is especially popular with IELTS candidates: it offers full mock tests with band-score estimates, and user stories on the site describe gains of two IELTS bands. Stimuler reports more than 13 million downloads across 200+ countries, app ratings around 4.8–4.9 out of 5, and a Google Play Best AI App of 2023 award.
Stimuler is freemium: the app can be downloaded and used for free, with a subscription unlocking the full coaching program, unlimited practice, and complete IELTS preparation.
Stimuler is for non-native English speakers who need speaking confidence for careers, migration, or exams — particularly IELTS candidates and professionals who have no speaking partner and want measurable, scored progress in short daily sessions.