About EchoFlow — Open-Source AI App for Android | Multi-Model AI Chatbot
Overview
EchoFlow is a free, open-source AI app for Android that brings every model into one workspace. Chat with GPT, Claude, Gemini, or on-device models, search the web without an API key, and keep every conversation in a database on your phone. No account and no EchoFlow server sit between you and your model.
The app runs on bring-your-own-keys: pull any model from the OpenRouter catalog, enter direct provider keys, or run models that live on the phone itself. The entire codebase is MIT-licensed, and it ships as a single APK for Android 7 and up.
Key Benefits
- Free web search with no API key for every user.
- Works fully offline with models that live on the phone.
- Reads Word, Excel, PowerPoint, PDF, and EPUB into Markdown with on-device OCR.
- Keeps chats, keys, and files on the device — no account, no server, no telemetry.
- Runs research, video renders, and downloads in the background and pings you when done.
- Connects to Ollama or LM Studio boxes on your network over Wi-Fi.
How It Works
Install the single APK on any Android 7+ device, then choose a model: pull one from the OpenRouter catalog in-app, enter a direct provider key, import your own GGUF, or point the app at an Ollama or LM Studio machine on your network. Type, dictate, or feed it documents, then use the plus button to add web search, Deep Research, a Data Agent, or Echo Agents to any conversation. Generated pages, reports, and documents land in the Artifact Gallery, versioned and ready to reopen and revise.
Use Cases
- Students research topics with cited Deep Research reports that finish in the background.
- Professionals drop lease and contract files into a Project so every chat starts briefed.
- Writers dictate messages and refine generated images out loud, like 'make the sky purple.'
- Privacy-conscious users run on-device models fully offline with no account.
- People with a PC at home connect Ollama or LM Studio and stream answers over Wi-Fi, token by token.
- Mobile users request a video render, close the app, and get a notification when it finishes.
Why Choose This Product
EchoFlow removes the usual layers between you and AI: no account to create, no server in the middle, and no telemetry. Because the codebase is MIT-licensed, anyone can verify that keys go straight to the provider you chose and chats live only in a database on the phone. The app stays free forever, treating your hardware and your keys as your own.
EchoFlow — Open-Source AI App for Android | Multi-Model AI Chatbot Pros & Cons
- 100% open source under the MIT license
- No account, no server, no telemetry
- Free web search with no API key
- Works fully offline with on-device models
- Ships as a single APK for Android 7+
Key Features
Multi-model chat
Chat with any model from the OpenRouter catalog, direct provider keys, or models that live on the phone, and swap mid-chat.
Free web search
Web search is free for everyone and requires no API key.
Deep Research
Deep Research produces cited reports and runs in the background.
Data Agent
Data Agent answers questions as tables instead of prose.
Echo Agents
Echo Agents give a model its own tools to work with.
Document reader
A built-in engine turns Word, Excel, PowerPoint, PDF, and EPUB files into Markdown, with on-device OCR for scans.
Dictation
Dictate messages in any chat or project using its own model and key, independent of who is answering.
Image and video generation
Describe an image, refine it out loud, and request video that renders even when you close the app.
Background work
Research, video renders, and downloads keep running with the screen off and land as one notification.
Local network models
Point the app at an Ollama or LM Studio box on your desk and answers stream over Wi-Fi, with the model never leaving your house.
EchoFlow — Open-Source AI App for Android | Multi-Model AI Chatbot Pricing
Pricing extracted from the product website and may change. Check the source for current details.
Frequently asked questions about EchoFlow — Open-Source AI App for Android | Multi-Model AI Chatbot
Is EchoFlow free?
Yes. The page states it is free forever, ships as a single APK for Android 7+, and is open source under the MIT license. Your hardware and your keys stay yours, with no subscription mentioned.
Do I need an API key to use EchoFlow?
No. Web search is free for everyone with no key, and the app supports bringing your own keys — or none at all — since models can run on the phone itself.
Does EchoFlow work offline?
Yes. It works fully offline: a document engine and on-device OCR read files locally, and models that live on the phone run with no internet connection.
Where are my chats and API keys stored?
Everything stays on your phone. Keys go straight to the provider you chose, chats live in a database on your device, and there is no EchoFlow server or telemetry in the middle.
Is EchoFlow open source?
Yes. The entire codebase is MIT-licensed and available on GitHub, so you do not have to take anyone's word about how it handles your data.
Can I connect to my own computer's models?
Yes. Point EchoFlow at the Ollama or LM Studio box on your desk and answers stream over Wi-Fi, token by token, with no cloud, no key, and no bill.