Pal Chat - AI Chat Client is a versatile AI chat application that operates on iOS devices. This lightweight yet potent tool is designed to utilize popular models like GPT-4 Turbo, GPT-4 Vision, DALL-E 3, Claude 3, Gemini, Perplexity AI among others and is also open to custom endpoints.
Its distinguishing features include capabilities to save multiple prompts and system messages, store conversation history on the device, edit queries, process images using GPT-4 Vision, generate visuals with DALL-E 3, and regenerate responses.
It also has full markdown, LaTeX, and syntax highlighting support. The text-to-speech ability allows users to heed to messages audibly, and one can easily switch between different models depending on the need.
A unique feature is the OpenRouter integration that facilitates easy access to various open-source/experimental LLM on the iPhone. Another important aspect is its focus on privacy, with the conversation history stored on the device itself.
Finally, the app necessitates an API Key to function, and Pal Chat does not bear responsibility for the content generated.

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Pros & Cons
iOS compatible
Lightweight tool
Supports GPT-4 Turbo
Supports GPT-4 Vision
Supports DALL-E 3
Supports Claude 3
Supports Gemini
Allows custom endpoints
Saves multiple prompts
Stores conversation history on-device
Allows query editing
Processes images
Generates visuals
Regenerates responses
Full markdown support
LaTeX support
Syntax highlighting support
Allows text-to-speech
Model switching capabilities
OpenRouter integration
Access to open-source LLM
Privacy focused
Requires API Key
Doesn't bear content responsibility
Push-Pop text copy
Token length calculation
Conversation copy feature
No usage limits
Support for Groq
Support for Gemini 1.5 Pro
Support for Gemini Ultra
App over website benefits
Faster than website
Access using VPN
API Key entry
Data not collected by developer
Supports visionOS 1.0
Free app
High customer ratings
Only for iOS devices
Requires API Key
No desktop version
No responsibility for content
Needs a specific OS (iOS 16.0, iPadOS 16.0, macOS 13.0)
Limited language support (English only)
No data collection for improvement
No integrated voice interaction
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