Name: PrivateChat AI: Ollama & LLM
Author: Cong Le

What PrivateChat AI does

Chat with AI — 100% private, 100% on your device.

PrivateChat AI runs powerful language models directly on your iPhone. No cloud servers, no accounts, no data collection. Your conversations never leave your device.

Hybrid Ai Engine

On iPhone 16 and newer (iOS 26+), PrivateChat AI uses Apple's built-in AI — ready instantly, no downloads needed. On older devices, choose from top community models like Llama, Gemma, and Qwen that run entirely on your phone.

10 Expert Personas

Tap an expert and start chatting instantly. Each one comes with a tailored system prompt so you get focused, on-topic answers:

Senior Software Engineer
Creative Writing Mentor
Mathematics Professor
Financial Advisor
Personal Fitness Trainer
Life Coach
Travel Consultant
Child Development Specialist
Multilingual Translator
Japanese Cuisine Chef

Key Features

Fully offline after setup — no internet required
Streaming responses in real-time
Conversation history — create, rename, organize
Markdown and code block formatting with syntax highlighting
AI Memory — teach the AI facts about you that persist across conversations
Beautiful, intuitive chat interface

Free Tier

Apple Foundation Models (iOS 26+) or one community model
20 messages per day
All 10 expert personas
Full conversation history

PRO (one-time)

Unlimited messages — no daily cap
Unlimited community model downloads
Custom system prompts — shape AI behavior your way
Chat export (Markdown and plain text)
Remove all ads

Your Privacy Matters

Zero data collection
No accounts or sign-ups
No analytics or tracking
All processing happens on-device
Works completely offline

Perfect for:

Private conversations you don't want in the cloud
Writing assistance without sharing your work
Learning and brainstorming on the go
Coding help that stays on your device

Download PrivateChat AI and experience truly private AI.

PrivateChat AI: Ollama & LLM

See it in action