Common ChatGPT App Rejections (and How to Fix Them)

A practical breakdown of common ChatGPT app rejection reasons, the exact messages teams receive, and what to fix before you resubmit.

Date: March 12, 2026
Read Time: 10 min
Author: Fractal Team

Tutorial: Build a Text Compare ChatGPT & MCP App (OpenAI Apps SDK)

Learn how to build a text comparison app that visualizes changes side-by-side. A practical example of improving the chat experience through better UI.

Date: December 21, 2025
Read Time: 7 min
Author: Fractal Team

Tutorial: Build a Color Palette ChatGPT & MCP App

Learn how to build a visual color palette app for ChatGPT with a single prompt. A practical example of how ChatGPT & MCP Apps complete the chat experience.

Date: December 20, 2025
Read Time: 6 min
Author: Fractal Team

How to Write the Perfect Prompt for Fractal

A practical tutorial for building ChatGPT & MCP Apps in minutes. Learn how to write prompts that create apps and shape how users discover and interact with them.

Date: December 19, 2025
Read Time: 10 min
Author: Fractal Team

How ChatGPT & MCP Apps Get Discovered and How to Leverage Them for Growth

Learn how ChatGPT & MCP Apps get discovered, what OpenAI is optimizing for, and how to position your app to be surfaced inside ChatGPT for maximum growth and distribution.

Date: December 18, 2025
Read Time: 8 min
Author: Fractal Team

Why ChatGPT & MCP Apps Are a Massive Opportunity for Entrepreneurs

OpenAI has started approving ChatGPT & MCP Apps, unlocking a new category of software. Learn why this is a rare opportunity and discover three patterns that actually work.

Date: December 15, 2025
Read Time: 7 min
Author: Fractal Team