Prompta: AI Chat Bot Assistant is an iPhone AI chat app built on the ChatGPT API and GPT-4. It’s designed for everyday help with study, work, and personal projects—right from your phone.
Flexible AI chat on iPhone
Prompta supports bringing your own API key, so you can use your OpenAI plan and adjust how the model behaves. Use it to ask questions, generate and edit text, get explanations, and request code examples.
Apple Shortcuts, Markdown, and exports
The app integrates with Apple Shortcuts, letting you connect system shortcuts to the chat and automate routine actions. It also supports Markdown for cleaner formatting and easier sharing.
- Apple Shortcuts integration for automation
- Markdown support for structured responses
- Convenient copying for code and tables
- Export conversations to an image or PDF
Speed and customization
Prompta offers configurable chat settings and supports modern models like GPT-4 Turbo and GPT-4o for faster responses. It works well for quick prompts as well as longer, structured conversations.

