# CosmicChat by Mistyoz AI — Chat with LLMs offline

> Offline AI chatbot using local large language models on your device. (iPhone/iPad app by MISTYOZ AI PRIVATE LIMITED.)

- Source: https://appshunter.io/ios/app/cosmicchat-by-mistyoz-ai/id6751541291 (this page in markdown: same URL + `.md`)
- Developer: [MISTYOZ AI PRIVATE LIMITED](https://appshunter.io/developer/1835670764)
- Category: Productivity, Utilities
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 12+
- Requires: iOS 18.0 · 1.1 GB
- Languages: American English
- Released: 2025-08-28
- Data updated: 2026-06-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/cosmicchat-by-mistyoz-ai/id6751541291/reviews.md

## What is CosmicChat by Mistyoz AI?

CosmicChat allows you to have conversations with CosmicFish large language models running entirely offline on your device. The app features three different CosmicFish LLM variants (90M, 120M, and 300M parameter models) that operate without requiring an internet connection.

All conversations happen locally using your device's Neural Engine and CoreML framework, ensuring complete privacy and data security. Users can switch between different model sizes based on their performance needs and device capabilities.

The app includes conversation history management, customizable chat interfaces, real-time response generation, and export functionality. CosmicChat is designed for users who want access to powerful large language models while maintaining full control over their data and conversations.

## Key features

- Offline AI conversations
- Multiple LLM model sizes
- Local data processing
- Conversation history
- Customizable chat interface
- Real-time response generation

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/cosmicchat-by-mistyoz-ai/id6751541291/reviews.md

### 5/5 — Review

*2025-09-11*

I was impressed by the response time and overall it’s pretty nice

**Developer response:** Thank you, expect more improvements soon :)

## Frequently asked questions about CosmicChat by Mistyoz AI

### What is CosmicChat?

CosmicChat allows you to have conversations with large language models that run entirely offline on your device, ensuring complete privacy and data security. It uses your device's Neural Engine and CoreML for local processing.

### Does CosmicChat require an internet connection?

No, CosmicChat is designed to run entirely offline. All conversations and AI processing happen locally on your device, meaning you do not need an internet connection to use it.

### What AI models does CosmicChat use?

CosmicChat features three different CosmicFish LLM variants with 90M, 120M, and 300M parameters. You can switch between these models based on your performance needs and device capabilities.

### Is CosmicChat free to use?

Yes, CosmicChat is available for free. There are no in-app purchases or advertisements, making it a completely free experience.

### What devices is CosmicChat compatible with?

CosmicChat is compatible with iPhones and iPads. It leverages device-specific frameworks like CoreML for efficient local processing.

### How often is CosmicChat updated?

The latest version of CosmicChat is 1.1.4, which was last updated on January 14, 2026. Updates are released to improve performance and add new features.

### Can I export my conversations from CosmicChat?

Yes, CosmicChat includes an export functionality, allowing you to save your conversation history. This feature helps you keep a record of your interactions with the AI models.

### What is the age rating for CosmicChat?

CosmicChat has an age rating of 12+. This indicates that the content and functionality are considered appropriate for users aged 12 and older.

## Version history (last 5 releases)

### 1.1.4 — 2026-01-14

- Fixed issue with editing and regeneration of prompts
- Various bug fixes and improvements

### 1.1.3 — 2025-11-14

- Beam search inference 
- Ability to edit and regenerate messages
- Bug Fixes and UI improvements

### 1.1.2 — 2025-10-31

- Improved UI
- Bug fixes

### 1.1.1 — 2025-10-13

- Improved output rendering
- iOS 26 and Liquid Glass support
- Improved UI and various bug fixes

### 1.1.0 — 2025-09-15

- Custom models from Orbits
- Efficiency improvements
- Inference speed improvements
- UI improvements 
- Bug fixes

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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 2026-06-07.*