CrossShare vs AI Prompt Generator & Manager

The easiest way to share data across devices

Turn a rough idea into a detailed AI prompt you can reuse in every chat. Tell the builder what role you need, add a few skills, pick a tone, and AI writes a complete system prompt for you in two steps. Save it to your library, then paste it into the AI chat app you already use as custom instructions, a system prompt, or your first message. Stop re-explaining your job, your context, and the style you want every time you open a new chat. HOW IT WORKS 1. Describe the expert: a role such as marketing strategist, code reviewer, or study tutor, or pick one from Explore. 2. Add skills and choose a tone. Optionally write a first task. 3. Generate. AI turns your inputs into a structured, ready-to-paste prompt. 4. Copy it, share it, or tap Use in AI to open your chat app. PROMPT GENERATOR • Two-step builder: role, skills, and tone in, full expert prompt out • Edit any generated prompt to fit your exact needs • Optional first task, so the chat starts working right away PROMPT MANAGER AND LIBRARY • Every prompt saved on your device in My Experts • Search, edit, and group prompts into collections • Saved prompts work offline • No account or sign-in needed EXPLORE • Browse role ideas by category to start faster • Tap any role to prefill the builder WORKS WHERE YOU ALREADY CHAT Paste your prompts into ChatGPT, Claude, Gemini, Perplexity, or any other AI chat app that accepts text. There is no new chatbot to learn. EXTRAS ON IPHONE • Home Screen widget for pinned experts • Siri Shortcuts and Spotlight search for your saved experts • Share text from other apps to start a new expert WHO IT IS FOR Professionals, founders, marketers, developers, writers, and students who use AI chat every day and want consistent, specific answers instead of generic ones. PRO • Unlimited prompt generation • Pro tones, including Creative and Analytical • Longer, more detailed prompts • Export prompts as Markdown files Your first 10 AI expert builds are included on this device. After that, Pro unlocks unlimited builds. SUBSCRIPTION DETAILS Pro is available as a weekly or yearly auto-renewing subscription. The yearly plan includes a 3-day free trial for eligible new subscribers. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. PRIVACY Your experts are stored on your device. Text you enter in the builder is sent to our AI service to generate your prompt, and the app asks for your consent before it does. We do not use your data for cross-app tracking. See the privacy policy for details. AI DISCLAIMER Generated prompts and AI chat responses may be incomplete or inaccurate. Do not rely on them for legal, medical, financial, or other professional advice. This app is an independent product and is not affiliated with, endorsed by, or sponsored by OpenAI, Anthropic, Google, or Perplexity AI. All product names are trademarks of their respective owners. Terms of Use (EULA): https://umberlab.com/expertagent/terms Privacy Policy: https://umberlab.com/expertagent/privacy