Buddy Chat
A fully on-device voice AI assistant.
Talk; it listens; it answers — all on your iPhone, with nothing sent to the cloud.
On-device, by design
- Your voice stays on your phone. Speech recognition, the language model, and the text-to-speech voice all run locally. There is no server.
- No accounts. No API keys. No subscriptions. Once you've downloaded the model on first launch, the app is fully offline.
- No tracking. Buddy Chat doesn't collect usage data, telemetry, or analytics. There's no server to send them to.
How it works
Three open AI components, running locally on Apple Silicon:
| Component | Engine | What it does |
|---|---|---|
| Speech-to-text | FluidAudio Parakeet | Real-time transcription with end-of-utterance detection |
| Language model | llama.cpp on Metal | Generates the reply (small ~1.3 GB quantised model) |
| Text-to-speech | FluidAudio PocketTTS | Natural-sounding 24 kHz voice reply |
The model is downloaded once on first launch (Wi-Fi recommended, ~1.3 GB). After that, the app works fully offline — on the plane, in the subway, anywhere.
Privacy
We don't collect, transmit, or store any personal data. See the privacy policy for the full statement.
Support
Questions or issues? See the support page.
Buddy Chat is currently in development for iPhone (iOS 17 and later). App Store availability is coming soon.