Prompt Index: AI Library
Prompt Index: AI Library Summary
Prompt Index: AI Library is a mobile iOS app in Productivity by Ryan Imgrund. Released in Apr 2026 (recently released ago). Store metadata: updated Apr 22, 2026.
Store info: Last updated on App Store on Apr 22, 2026 .
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App Description
Prompt Index is a premium, easy-to-use prompt library built for people who already use AI in real life.
Instead of opening a blank chat and guessing what to type, Prompt Index gives you a growing collection of curated prompts you can browse, save, and copy in seconds. It is designed to work alongside the AI tools you already use, helping you start faster and get better outputs with less effort.
Whether you are a student, creator, entrepreneur, professional, marketer, freelancer, job seeker, or everyday user, Prompt Index helps you keep strong prompts in one clean place. Use it to find ideas, speed up your workflow, and avoid rewriting the same instructions again and again.
Why people use Prompt Index:
• to get unstuck when they do not know how to begin
• to save time instead of typing the same directions repeatedly
• to discover better ways to ask for writing, planning, research, and creative help
• to keep favorite prompts organized and ready to paste
• to improve consistency across school, work, and personal projects
Prompt Index is not another complicated workspace. It is a focused library built around a simple idea: better inputs lead to better outputs.
Inside the app, you can:
• browse prompts by category
• explore a clean, curated collection
• save favorites for quick access
• copy prompts instantly
• revisit useful prompts whenever you need them
• discover new additions as the library grows
Popular ways to use Prompt Index:
• writing essays, reflections, reports, and discussion posts
• brainstorming content ideas, captions, scripts, and hooks
• planning projects, schedules, goals, and next steps
• improving business writing, emails, offers, and marketing ideas
• generating study aids, summaries, practice questions, and explanations
• organizing thoughts before using your preferred AI assistant
Built for real-world use
Prompt Index is made for people who want practical results. The app is designed to feel clean, fast, and polished, so you can focus on the prompt itself instead of digging through clutter. Open the app, find a useful prompt, copy it, paste it into your preferred AI tool, and keep moving.
This makes Prompt Index especially useful for:
• students who want help with studying, writing, revision, and organization
• creators who need better prompt starters for posts, videos, newsletters, and ideas