Stimuler provides AI-based English conversation coaching and practice.
Stimuler's AI Coach, Sarah, offers conversations on more than 100 topics and scenario-based practice to help users improve spoken English. It serves learners including people preparing for IELTS and those seeking conversational practice. Founded in 2022, the company is based in Bangalore, India. In April 2025, it raised USD 3.75 mn in pre-Series A funding co-led by Lightspeed Venture Partners and SWC Global, with participation from Force Ventures, gradCapital, M Venture Partners, Operators Studio, and Rebright Partners.
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