RunAnywhere’s iPhone app runs local chat, speech, and voice workflows on supported Apple devices, with offline use after model download.

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RunAnywhere is a Winter 2026 Y Combinator company making it possible to run open-weight models at full speed in the places a team actually needs them: in the cloud, in a company’s own network, or directly on device. Its iPhone app is a private AI client for local chat, speech, and text-to-speech, aimed at people who want on-device inference instead of sending prompts and audio to a remote service. ( ycombinator.com ; apps.apple.com )

According to the App Store listing, the app lets users download a model once and then chat, transcribe speech, and generate natural-sounding audio locally, even while offline. It is built for everyday writing, voice notes, reading aloud, and offline conversations, with support for questions, summaries, drafting, and voice workflows that combine listening, reasoning, and speaking.…