Aqua Voice
Category: Voice / Speech AI
YC-backed startup providing fast, accurate, and private frontier voice input as an AI layer to write and prompt into any application. Aqua Voice was founded in 2023. The company is led by Finn Brown. Based in San Francisco. Team size: 2-10. Key investors include Y Combinator, Pioneer Fund, 1517 Fund, Assembly Capital Partners, Oncology Ventures.
- Founded
- 2023
- Headquarters
- San Francisco
- Team size
- 2-10
Value proposition
Enables users to speak naturally into any text field, with AI refining words in real-time, allowing writing 4-5x faster than typing with high accuracy and context awareness.
Products and solutions
Frontier Voice Input for Mac and Windows, Aqua Voice iOS app, API access
Target customer
Primarily programmers and professionals (especially developers) seeking efficient voice input for AI agent prompting, coding, and writing in applications like Cursor, Gmail, Slack, and terminals.
Industries served
Software Development, General Productivity
Technology advantage
Powered by proprietary 'Avalon' transcription model; features ultra-low latency (<50ms startup, ~450ms text insertion), real-time natural language editing, and screen context awareness.
How they differentiate
Focuses on being a core input layer (not an accessibility add-on) with a proprietary 'Avalon' transcription model, ultra-low latency, and generalized screen context that works across all apps without specific plugins. Excels in technical dictation for developers.
Major milestones
Launched from Y Combinator W24 batch, Re-launched product in Q1 2025 leading to strong PMF, Achieved over 50% of users organically from Japan, Released iOS application, Achieved Product-Market Fit after re-launching product in Q1 2025, Hit $330K revenue in 2025
Market positioning
Positioned as a fast, accurate, and context-aware 'frontier voice input' layer for AI agents and professional writing, particularly strong for technical dictation and developers.
About Finn Brown
Previously Co-Founder at Vienna Hypertext and Intern at Micron Technology.
Official website: https://aquavoice.com/