Rylo
Series B
Rylo provides AI-powered real-time captioning and text-to-speech tools for Deaf and hard-of-hearing users.
Rylo provides AI-powered real-time captioning and text-to-speech tools for Deaf and hard-of-hearing users.
Rylo operates an AI-powered communications platform that provides real-time speech-to-text captioning and text-to-speech voice synthesis for the Deaf and hard-of-hearing community. Its Rylo Phone application replaces traditional human relay operators with live caption and synthetic-voice technology, while Rylo Sign translates between signed and spoken languages.
The service is delivered at no cost to U.S. users through the federally funded Telecommunications Relay Service program, supported by Rylo's FCC certification, and offered through mobile applications, sign-language support, and workplace accessibility integrations.
Accessible communication tools for Deaf and hard-of-hearing users serve roughly 48 million Americans with hearing loss and a much larger global cohort, with federal Telecommunications Relay Service funding sustaining demand for FCC-certified caption telephone providers. Smartphone-first generations expect on-device captioning, and workplace accommodation requirements continue to broaden under the ADA and analogous international rules.
Larger platforms such as Apple and Google ship general on-device captioning, but a dedicated AI-only relay service with FCC certification, sign-language translation, and enterprise tooling addresses use cases platform features do not, which Canaan and General Catalyst cited when leading the June 2026 Series B.
Rylo is among the few AI-native real-time captioning and voice services that operate without human intermediaries, which removes the latency and privacy concerns inherent to traditional relay-operator services. The May 2024 FCC certification qualifies Rylo for federally funded Telecommunications Relay Service reimbursement, an entry barrier that limits how quickly newer entrants can monetize U.S. consumers.
The company combines its captioning engine with sign-language translation through Rylo Sign and supports multiple languages, workplace accessibility integrations, sentiment analysis, and real-time fraud detection, broadening its product surface beyond a single captioning utility.
