Local Prompt Vault is a paid, local-first prompt library for people who reuse AI instructions and want to keep draft context private. Create prompt templates, organize them by category, mark favorites, manage placeholders such as topic, audience, draft, or notes, preview a rendered prompt, copy the result, and export a CSV snapshot of your prompt library. The app does not run an AI model and does not connect to any AI provider. It is a private organization utility for prompts you choose to paste into your own tools. There is no account, no subscription, no advertising SDK, no analytics SDK, no tracking, no cloud sync, and no developer-server upload. Prompt templates, variables, notes, and exports stay on your device unless you choose to copy or share them through iOS.