Speak is a language learning application that focuses on improving speaking abilities through advanced AI technology. It offers immersive speaking practice sessions that simulate real-life conversations, providing instant feedback on pronunciation, intonation, and fluency.

Its Key Features include:

1. AI-Powered Lessons: The app utilizes cutting-edge AI to analyze speech and provide personalized feedback, helping users improve their conversational skills effectively.

2. Real-Life Scenarios: Speak's lessons are structured around real-life situations, allowing learners to practice essential phrases and engage in meaningful conversations from day one.

3. Progress Tracking: Users can track their progress and identify areas needing improvement, which helps tailor their learning experience.

4. Subscription Model: Speak offers both monthly and annual subscription options for unlimited access to all courses and materials. The pricing is noted to be on the higher side, which has been a point of contention among users.

It is the #1 English app in its first market, South Korea, with strong momentum in Japan and Taiwan. Speak is fast approaching $50M of ARR with growth rates north of 100% Year-over-Year.