Hey all, dev here. I've been working on a bitcoin news reader for the last while, and the part I'm proudest of is the local AI mode. Wanted to share what's under the hood since this sub appreciates the details.
What it does locally (no network calls, no API keys, no cloud):
- Article summarization
- Q&A / chat against the article you're reading
- Translation between supported languages
- All inference runs on your phone's CPU/NPU
The stack:
- Llama 3.2 1B (vanilla, ungated — no HuggingFace login required to download)
- llama.cpp under the hood, wrapped in a custom Flutter binding
- Quantized GGUF; first-run download is one-time, then everything is offline
- Works on mid-range Android (tested down to 4GB RAM devices) and any modern iPhone
Why bother when ChatGPT/Gemini exists?
- Your reading habits never leave the device. No "we use your queries to improve our service" footnote.
- Zero API cost → I can ship it free without metering you.
- Works on a flight, on the subway, in a country where the cloud provider is blocked.
Play Store: https://play.google.com/store/apps/details?id=com.bitcoin.bitcoin_news_app
(iOS coming — TestFlight if anyone wants in)
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