Question 1

Is LLM Hub open-source?

Accepted Answer

Yes, LLM Hub is completely open-source. Download it from Google Play, the Apple App Store, or build it directly from source on GitHub.

Question 2

Does LLM Hub work offline?

Accepted Answer

Yes. Internet is only required for the initial model download. After that, all features—AI chat, image generator, translator, transcriber, and coder—work 100% offline.

Question 3

What AI models does LLM Hub support?

Accepted Answer

LLM Hub supports 15+ models, including Gemma-3, Gemma-4, Gemma-3n (multimodal), Llama-3.2 (GGUF), Phi-4 Mini, IBM Granite 4.0, LiquidAI LFM, Ministral-3, Whisper ASR, and Kokoro TTS.

Question 4

Is my data private and secure?

Accepted Answer

Absolutely. All AI processing runs entirely on your local device. We collect zero data, require no accounts, and track no telemetry. Your privacy is 100% guaranteed.

Question 5

What are the minimum requirements?

Accepted Answer

Android 8.0+ or iOS 17.0+, with a minimum of 2GB RAM (6GB+ recommended, 8GB+ for GPU acceleration) and 1-5GB storage space depending on the downloaded models.

Question 6

What features does LLM Hub offer?

Accepted Answer

11 core offline AI tools: AI Chat, Writing Aid, Stable Diffusion Image Generator, Video Generator, Image Upscaler, Offline Translator, Voice Transcriber, Scam Detector, Vibes Coder sandbox, creAItors, and VibeVoice.

Question 7

Does LLM Hub support vision and image input?

Accepted Answer

Yes. Gemma-3, Gemma-3n, and Ministral-3 support image and vision understanding natively on-device.

Question 8

Does LLM Hub support text-to-speech?

Accepted Answer

Yes, LLM Hub features TTS auto-readout, which reads AI responses aloud for hands-free conversations.

Question 9

Can I code apps on my phone offline?

Accepted Answer

Vibes is an on-device coding sandbox. Describe what you want, and the local AI generates running HTML/JS/CSS that renders instantly inside a secure local sandbox.

Question 10

Can I create custom AI personas on-device?

Accepted Answer

creAItors is an offline AI persona builder. Customize unique system prompts and personality profiles to create your own specialized AI agents.

Question 11

Is there an offline voice chat AI app?

Accepted Answer

VibeVoice is a real-time, hands-free voice chat mode powered by Whisper ASR and Kokoro TTS. Speak naturally and the local model responds instantly with real-time text-to-speech feedback.

Question 12

Which phones run local AI fastest?

Accepted Answer

Yes, LLM Hub leverages native Qualcomm QNN frameworks to accelerate inference on Snapdragon NPU chips, enabling blazing fast offline speeds.