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Chatbox vs FlowDown: catalog facts
Chatbox	FlowDown
Freemium The community edition is free and open source, and using it with your own API keys costs…	Free Available on the App Store; cloud models need your own API keys.
Windows, macOS, Linux	macOS, iOS
Works with OpenAI, Claude, Gemini, Grok, DeepSeek, Azure and local Ollama models from one window Conversations are stored locally rather than on someone else's server	Works with any OpenAI-compatible API or local models Native Swift app rather than a web wrapper
You need your own API keys, and those cost money per use It is a client, so it cannot run a model itself without Ollama or similar	Apple platforms only Cloud models require bringing your own API key
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.