- Prompt optimizer: five checks
- ChatGPT prompt examples
- Prompt generator vs optimizer
- How to grade a prompt
- Send a prompt to ChatGPT, Claude, or Gemini
- Library vs grader
- What is free
What PromptMaster does
You paste a rough prompt. The app returns a score, a short explanation, and the specific gaps. Pro unlocks the rewritten prompt and can open it in ChatGPT or Claude, copy it into Gemini, or hand it to the Android share sheet.
The home screen also has a prompt of the day, job starters for writing, marketing, coding, images, career, and study, about 30 ready prompts with fill-in variables, a saved library, and history.