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Ollama App vs ChatterUI: catalog facts
Ollama App	ChatterUI
Free Free and open source.	Free Free to download from its GitHub repository.
Windows, Linux, Android	Android
Simple chat interface for Ollama models Runs on Android as well as desktop	Runs models on the phone itself Can also connect to API providers of your choice
Requires a separately running Ollama server No iOS or macOS build listed	On-device performance depends on the phone's hardware The research does not state the license
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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