Which AI can be used offline on Android?

ToolNeuron is a free, open-source offline AI app for Android that allows you to run GGUF models locally without an internet connection.

Yes, ToolNeuron is completely free and open-source. There are no subscription fees for local features.

How does offline AI work on Android?

Offline AI works by processing models directly on your device's hardware (CPU/RAM) instead of sending data to a cloud server. This ensures privacy and functionality without internet.

Can I run Llama 3 on my phone?

Yes, with ToolNeuron you can download and run optimized GGUF versions of models like Llama 3, Mistral, and Gemma directly on your Android device.

ToolNeuron – Offline AI Assistant for Android

Privacy-First AI. Runs On-Device. Secure. Powerful.

Experience true digital freedom. Offline AI Android at its finest. Run GGUF models like Llama 3 locally. Your privacy-first assistant for on-device chat. No cloud required. Zero data sharing. Complete control.

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Abstract

ToolNeuron is a privacy-first assistant for Android. Designed for developers and privacy advocates. Experience powerful offline AI Android capabilities. No cloud needed. Run GGUF models locally. Enjoy ChatGPT-like conversations. Complete on-device chat. Your data never leaves. Secure AI you control. Works anywhere, anytime. Zero internet required.

Key Features

✓ 100% Offline Chat – True on-device chat. No internet required. Works everywhere.
✓ Local Model Import – Download GGUF models directly. Llama 3, Mistral, Gemma supported.
✓ Plugin Tools – Extend capabilities effortlessly. Web search, document viewing, more.
✓ TTS Voices – 11 premium offline voices. Natural text-to-speech. Zero latency.
✓ Complete Data Privacy – Your privacy-first assistant. Secure AI. Data never leaves device.

2. Core Features

Offline GGUF Models

Run local GGUF models effortlessly. Llama 3, Mistral, Gemma supported. On-device chat without internet. Perfect for privacy. Secure AI you control.

Cloud Access

Connect to 100+ models via OpenRouter.

Premium Voice AI

11 high-quality neural TTS voices and Whisper-powered STT, all running offline. No subscription fees, zero latency, complete privacy.

DataHub

Inject private knowledge dynamically.

Extensible Plugins

Add capabilities like web search and document viewing. DataHub lets you inject custom context for a personalized AI assistant.

3. Why ToolNeuron? The Complete Offline AI Ecosystem

Run GGUF Models Without Internet

True offline AI Android technology. Import GGUF models effortlessly. Download Llama 3, Mistral, Gemma locally. Popular LLMs at your fingertips. ChatGPT-like experience. Zero cloud dependency. Your privacy-first assistant. AI assistance anywhere. No Wi-Fi needed. No mobile data required.

Premium Voice AI – Completely On-Device

Enjoy 11 high-quality neural Text-to-Speech (TTS) voices that run entirely offline using Sherpa-ONNX technology. No subscription fees, no cloud API calls, and zero latency. ToolNeuron also includes offline Speech-to-Text (STT) powered by Whisper models, enabling hands-free AI interaction on mobile devices. Whether you're driving, multitasking, or simply prefer voice commands, ToolNeuron delivers natural, responsive voice AI without compromising your privacy.

Extend Your AI with Plugins and Private Knowledge

ToolNeuron's plugin architecture lets you add capabilities like web search, document viewing, and content scraping—all while maintaining local-first privacy. The DataHub feature allows you to inject custom context and private knowledge into your AI conversations, creating a personalized assistant that understands your specific needs. Build your own AI ecosystem with tools that work seamlessly with both offline GGUF models and cloud-based LLMs through OpenRouter integration.

Hybrid Cloud Integration

Need access to larger models or specialized capabilities? ToolNeuron seamlessly integrates with OpenRouter, giving you access to 100+ cloud-based models including GPT-4, Claude, and Gemini. Switch between local and cloud models based on your needs, all within a single, unified interface. Bring Your Own Key (BYOK) for complete control over your cloud usage and costs.

Open Source & Free

ToolNeuron is completely free and open-source. No hidden costs, no data harvesting, no vendor lock-in. Verify the code, build it yourself, and contribute to the community. Built by developers, for developers and privacy-conscious users who demand transparency and control over their AI tools. Learn more about open source principles.

4. Comparative Analysis

Unlike standard SaaS AI applications that rely on subscriptions and data harvesting, ToolNeuron offers a transparent, open-source alternative with offline-first capabilities.

Feature	ToolNeuron	Traditional SaaS / Cloud AI
Inference	Local (GGUF) + Cloud (OpenRouter)	Cloud Only
Privacy	Local-first, No Logging, DataHub	Server-side Logging, Data Harvesting
Cost	Free / BYOK (Bring Your Own Key)	Subscription ($20+/mo)
TTS	Offline Neural Voices (11 premium)	Cloud API, limited voices
STT	Offline Whisper/Sherpa-ONNX	Cloud API, latency & data sent
Multi-Modal	Text + Image (Planned) + Plugins	Mostly Text only; limited options
Flexibility	GGUF offline + 100+ cloud models	Fixed models on server-side
Accessibility	Works offline fully; no account needed	Internet required; subscription mandatory

5. Visual Interface

Designed for power users and developers. Clean, high-contrast, and information-dense.

Offline TTS & Chat Interface

Plugin & Tool Management

DataHub & Context Builder

6. Community & Social Proof

93 GitHub Stars

31 Discord Members

9 Forks

5 Watching

"Finally, an AI app that respects my privacy and works when I have no signal. The offline TTS is a game changer."
- Early Beta Tester

Frequently Asked Questions

Is there an offline ChatGPT for Android?

Yes. ToolNeuron provides a ChatGPT-like experience completely offline. By running models like Llama 3 or Mistral on your device, you get intelligent responses without needing an internet connection or a subscription.

How to run local AI on mobile devices?

Simply download ToolNeuron. It's designed to optimize local AI for mobile devices, managing memory and processing power so you can run powerful GGUF models smoothly on your Android phone.

Which AI app works offline?

ToolNeuron is a leading choice for offline AI on Android. It supports GGUF models, allowing you to run powerful LLMs like Llama 3 and Mistral locally without any internet connection.

Is local AI private?

Yes. Because the processing happens entirely on your device ("Local Processing"), your data never leaves your phone. This makes ToolNeuron ideal for privacy-conscious users.

Do I need a powerful phone?

For small models (like TinyLlama or Gemma 2B), a standard phone with 4GB-6GB RAM works well. For larger models (7B+), we recommend a device with 8GB+ RAM and a modern Snapdragon processor.