OpenCat - AI Chat, Agent, MCP

OpenCat - AI Chat, Agent, MCP

Native AI Utilities

835 ratings
147 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • March 3, 2023
  • July 11, 2026
OpenCat - AI Chat, Agent, MCP screenshot #1 for iPhone
OpenCat - AI Chat, Agent, MCP screenshot #2 for iPhone
OpenCat - AI Chat, Agent, MCP screenshot #3 for iPhone
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OpenCat - AI Chat, Agent, MCP screenshot #5 for iPhone
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About

This AI utility tool offers seamless integration of advanced AI models into your daily routine on Mac, iPhone, and iPad. It features a user-friendly interface, keyboard extensions for in-app AI access, and Siri/shortcut integration for automation. Supports a wide range of popular AI models and offers team deployment options.

Support for latest popular AI models
Keyboard extensions for in-app AI
Realistic voice synthesis
Siri and shortcut integration
Team deployment with Docker
Customizable AI parameters
Markdown content rendering
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What users say

See all reviews

What's New in OpenCat

26.7.2

July 11, 2026

Support for the latest models

Subscription plans

Cloud AI

Subscribe AI Access

$24.991 Year
How to cancel OpenCat subscription ⁉️
1

In-App Purchases

$5.99

Tokens Package

2,000,000 GPT3 Tokens

User reviews

Broken since the update

Every model returns does not support streaming now

The developer who most actively listens to user suggestions!

I emailed the developer suggesting they add a model reasoning effort levels setting, and he quickly implemented this optimization. Now I feel like I can't find a better custom AI assistant than this app!

越做越差,Azure TTS功能至今没有解决。

越做越差,Azure TTS功能至今没有解决。
失望至极!!!

对话会混乱

ai对话几次后,回答会混乱,回答的是之前的代码

越做越差,Azure TTS功能至今没有解决。

失望至极!

Developer apps

User experience

🐞

Reported Bugs

6 issues

Streaming response disruptions

Bug

Disappearing API key input fields

Bug

Inconsistent Markdown rendering

Bug

Keyboard extension not working as expected

Bug

Sync issues between devices

Bug

Crashes and freezes when handling large inputs

Bug

Requested Features

7 requests

Support for more AI models (e.g., Ollama, Groq)

Feature

Markdown rendering for chat responses

Feature

Ability to upload images and files

Feature

Customizable keyboard extensions

Feature

Background task support for long-running queries

Feature

Prompt library and sharing functionality

Feature

Integration with other productivity apps (e.g., Shortcuts)

Feature

FAQ

What does OpenCat do?

OpenCat is a native AI utility tool for Mac, iPhone, and iPad that integrates AI into your daily tasks. It supports a wide array of popular AI models, offers keyboard extensions for in-app AI access, and integrates with Siri and shortcuts for automation.

What are the key features of OpenCat?

Key features include support for numerous popular AI models, keyboard extensions to invoke AI within any app, realistic voice synthesis, Siri and shortcut integration for automation, customizable AI parameters, Markdown rendering, and team deployment options.

Is OpenCat free to use?

The app is free to download and use, but it offers in-app purchases. This likely means some advanced features, additional model access, or extended usage might require payment.

What devices is OpenCat compatible with?

OpenCat is natively supported on Mac, iPhone, and iPad, allowing for seamless integration across your Apple ecosystem.

How can OpenCat be used for team collaboration?

OpenCat supports team deployment via Docker, allowing you to share the AI utility with team members. You can manage users, send invitations, and monitor usage, ensuring data security with private deployment options.