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FlowDown vs Chatbox: catalog facts
FlowDown	Chatbox
Free Available on the App Store; cloud models need your own API keys.	Freemium The community edition is free and open source, and using it with your own API keys costs…
macOS, iOS	Windows, macOS, Linux
Works with any OpenAI-compatible API or local models Native Swift app rather than a web wrapper	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
Apple platforms only Cloud models require bringing your own API key	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
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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