ChatAI support
Private, on-device AI chat.
About
ChatAI is a private, on-device AI chat app powered entirely by the local on-device intelligence built into your iPhone. Your conversations stay on your device: no servers, no accounts, no data collection. Everything runs locally.
Features
Chat
- Type or dictate a message and get a response generated on your iPhone
- Conversations are saved locally; rename, organise and revisit them any time
- Works without an internet connection
App Lock
- Lock the app behind Face ID, Touch ID or your device passcode
Siri and Shortcuts
- Use the “Ask ChatAI” action from Siri, Spotlight, the Shortcuts app or the Action button
Privacy
- All conversations stay on your device: no servers, no cloud storage, no analytics
- AI processing happens entirely on-device using local on-device intelligence
- No personal data is collected or transmitted anywhere
- No accounts or sign-ups required
Requirements
- iPhone 15 Pro, iPhone 15 Pro Max, or iPhone 16 series or later
- iOS 26 or later
- On-device intelligence enabled in Settings > Apple Intelligence & Siri
Troubleshooting
“On-Device Intelligence Unavailable”
- This means on-device intelligence is either not supported on your device or not enabled
- Go to Settings > Apple Intelligence & Siri and make sure it is turned on
- If the option is not available, your device may not support on-device intelligence
Voice dictation does nothing?
- Open Settings > Privacy & Security > Microphone and Speech Recognition and make sure ChatAI is enabled
FAQ
What devices are supported?
ChatAI requires an iPhone running iOS 26 or later with local on-device intelligence enabled. This is available on iPhone 15 Pro, iPhone 15 Pro Max, and iPhone 16 series or later.
How do I enable on-device intelligence?
- Open Settings on your iPhone
- Go to Apple Intelligence & Siri
- Toggle on-device intelligence on
- Wait for the download to complete
Does ChatAI work offline?
Yes. Since everything runs on-device using local on-device intelligence, ChatAI works without an internet connection.
Is my data private?
Absolutely. All conversations are stored locally on your device using Apple's SwiftData framework. No data is sent to any server. I do not collect, store or share any of your information.
How do I delete my chat history?
You can delete individual chats by swiping left on them in the chat list, or delete all chats at once from Settings > Delete All Chats.
How do I rename a chat?
Swipe right on any chat in the list, or long-press and select Rename.
How much does ChatAI cost?
ChatAI is free. It uses local on-device intelligence which is built into your iPhone at no additional cost.
Need more help?
If you couldn't find the answer above, write to me and I'll be happy to help: contact@techbysaurabh.com