Hong Kong social media app Hacker Interstellar files for a $15 million US IPO
IPO Overview
Hacker Interstellar, which provides a voice-centric AI-powered social media app in emerging markets, filed on Friday with the SEC to raise up to $15 million in an initial public offering.
The company operates a vernacular language AI–powered voice social networking platform focused on users in emerging markets. Through its YoYo app, it provides voice-based chat room experiences built on proprietary AI voice models tailored to regional languages and dialects. The platform combines social interaction with monetization features and is expanding into AI-driven voice tools and B2B solutions, positioning itself as a voice interaction infrastructure provider for diverse language communities globally.
The Hong Kong, China-based company was founded in 2016 and plans to list on the Nasdaq under the symbol SOUD. Hacker Interstellar filed confidentially on July 18, 2025. Kingswood Capital Markets and Long Bridge Securities are the joint bookrunners on the deal. No pricing terms were disclosed.
About the Company
Our mission is to be a global leader in vernacular language voice social networking and artificial intelligence （“AI”） voice technology, providing a voice interaction infrastructure platform for users of vernacular languages and dialects worldwide, driven by technological innovation. We are a global company at the forefront of voice-centric social networking and AI voice technology, with a primary focus on emerging markets such as South Asia, the Middle East, and Southeast Asia. Our core offering, the YoYo platform, leverages our proprietary vernacular language AI voice models to provide engaging voice chat room experiences, which have achieved scalable user bases and monetization. As of December 31, 2024 and for the six months ended June 30, 2025, YoYo had accumulated 51.7 million and 57.5 million Registered Users across 29 countries and regions, respectively. Our monetization model has proven effective, with an Average Revenue Per User （ARPU） of $2.20 and $1.51 and an Average Revenue Per Paying User （“ARPPU”） of $57.50 and $75.36 for the fiscal year 2024 and six months ended June 30, 2025, respectively. We are strategically expanding our offerings to include AI-powered voice tools and business-to-business （B2B） solutions, aiming to become a fundamental voice interaction platform for diverse language users globally.