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GRATUIT
Free
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Description
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.
Terms of Use: https://www.cong-le.com/terms.html
Privacy Policy: https://www.cong-le.com/privacy.html
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.
Terms of Use: https://www.cong-le.com/terms.html
Privacy Policy: https://www.cong-le.com/privacy.html
What's new (v1.0.8)
Voice mode now works. The microphone permission was missing entirely, which meant iOS shut the app down the moment you tried to speak — that's fixed, along with a full rebuild of voice chat: dictate into the message box and edit before sending, or talk hands-free while the conversation stays on screen. Eight voices to choose from, and it keeps going with the screen locked.
Larger models work too. They were running out of memory instead of answering, so anything above about 3B failed on the first message. Downloads were also failing right at the end on big files, and a dead download could be saved as a broken model.
New: a section of uncensored models — Dolphin, Hermes 3 and Gemma 2 — that answer frankly on subjects the standard models decline. Every model now shows the memory it needs, and ones your device can't run are no longer offered.
Also: new chats suggest real questions instead of fill-in-the-blank templates, memories can be edited, and streaming text no longer judders as it arrives.
Larger models work too. They were running out of memory instead of answering, so anything above about 3B failed on the first message. Downloads were also failing right at the end on big files, and a dead download could be saved as a broken model.
New: a section of uncensored models — Dolphin, Hermes 3 and Gemma 2 — that answer frankly on subjects the standard models decline. Every model now shows the memory it needs, and ones your device can't run are no longer offered.
Also: new chats suggest real questions instead of fill-in-the-blank templates, memories can be edited, and streaming text no longer judders as it arrives.
