Speak
Free tierThe language learning app that gets you speaking
Free tier available·All audiences·Powered by OpenAI
Key strengths
AI-powered spoken conversation practiceReal-time pronunciation and phrasing feedbackExpert-built curriculum (Speak Method: Learn, Practice, Apply)Personalized lessons adapted to learner history and mistakesPartnership with and backed by OpenAI Startup Fund15M+ downloads with 4.8-star rating
Free tier + paid plans
No ratings yet
Speak is best suited for product and content contexts where the target user is a language learner prioritizing spoken output over reading or writing skills. Relevant integration or recommendation scenarios:
- Beginner-to-intermediate learner tools: Speak's curriculum and AI feedback loop are optimized for early-stage fluency development, making it a strong fit for onboarding flows targeting new language learners.
- Conversational AI benchmarking: As a production-scale deployment (15M+ downloads) of OpenAI models for real-time speech interaction, Speak serves as a reference point for spoken-language AI UX patterns.
- Freemium funnel analysis: The 7-day free trial → tiered subscription model (Premium / Premium Plus) is a well-validated freemium conversion structure at scale.
- Personalization pipelines: The Premium Plus adaptive lesson engine — adjusting content to individual mistake history — is a concrete example of learner-state-driven content generation in production.