# 1chat - a simple local AI — private and safe llm

> Offline, private AI assistant with integrated language model. (iPhone/iPad app by 高均 欧.)

- Source: https://appshunter.io/ios/app/1chat-a-simple-local-ai/id6741682608 (this page in markdown: same URL + `.md`)
- Developer: [高均 欧](https://appshunter.io/developer/1698659995)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 955 MB
- Languages: English, Chinese
- Released: 2025-02-12
- Data updated: 2026-07-06
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/1chat-a-simple-local-ai/id6741682608/reviews.md

## What is 1chat?

1Chat is a fully offline, locally running large language model AI assistant.

1Chat emphasizes privacy and security, requiring no internet connection or permissions. It runs completely locally with an integrated model, ready to use right out of the box.

Features:
• No internet connection required, no login or registration
• Fully offline, ensuring privacy and security
• Built-in Qwen3 model, ready to use immediately
• Supports multiple conversation management
• Optimized for Apple chips

1Chat is based on the open-source project fullmoon-ios, with custom development and integration of the Qwen3-1.7B-4bit-DWQ-053125 model.

Open source：https://github.com/OJZen/1chat

For any feedback or suggestions, you can email: ojunedev@gmail.com

## Key features

- Fully offline operation
- No internet connection required
- No login or registration
- Built-in Qwen3 model
- Multiple conversation management
- Optimized for Apple chips

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/1chat-a-simple-local-ai/id6741682608/reviews.md

### 5/5 — China apps

*2025-10-17*

It’s always China apps like this app that are the best, this one is the greatest local llm ever!

## Frequently asked questions about 1chat

### Does 1chat require an internet connection?

No, 1chat is designed to be fully offline. It does not require any internet connection to function, ensuring your conversations and data remain private and secure on your device.

### Is 1chat free to use?

Yes, 1chat is completely free to download and use. There are no hidden costs or subscription fees associated with its functionality.

### What language model does 1chat use?

1chat comes with an integrated Qwen3-1.7B-4bit-DWQ-053125 model, ready to use immediately upon installation. This model is optimized for local performance.

### Does 1chat have ads?

No, 1chat does not contain advertisements. As a free application, it focuses on providing a seamless and uninterrupted user experience without any ad interruptions.

### What devices is 1chat compatible with?

1chat is compatible with iPhone and iPad devices. It is optimized for Apple chips, ensuring smooth performance on supported Apple hardware.

### How often is 1chat updated?

The latest version of 1chat was released on 2025-06-16, indicating recent development activity. Updates typically address performance improvements and model integrations.

### Is 1chat suitable for children?

1chat has an age rating of 4+, making it suitable for younger users. Its offline nature and lack of internet permissions contribute to a safe environment.

### Can I manage multiple conversations in 1chat?

Yes, 1chat supports multiple conversation management. This feature allows you to keep track of different discussions easily within the application.

## Version history (last 3 releases)

### 20250616 — 2025-06-16

1. Support Qwen3 model

### 20250615 — 2025-06-15

1. Support Qwen3 model

### 20250212 — 2025-02-12

No release notes.

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## More apps by 高均 欧

- [aDiary - Type. Save. Live.](https://appshunter.io/ios/app/adiary-type-save-live/id6453160849)

All apps by 高均 欧: https://appshunter.io/developer/1698659995

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-06.*