Most AI chat apps look the same, often borrowing the same shadcn-style web UI. EchoFlow is an open-source, purely BYOK, native Android AI chat app built to feel fresh, fun, and truly Android-native with Material Expressive design. Chats are stored locally on your device, past history is available offline, responses are powered through OpenRouter, and there’s no tracking.
Extract any page range from a PDF, PowerPoint, or Word file and attach
it directly into ChatGPT, Claude, Grok or T3 Chat in one click.
Open the side panel → upload → pick your page range → slice → attach.
Supports PDF, PPTX and DOCX. Auto-detects which platform you're on.
Everything runs locally. Files never leave your device. No account,
no API key, completely free and open source.
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