> ## Documentation Index > Fetch the complete documentation index at: https://learn.expertmd.io/llms.txt > Use this file to discover all available pages before exploring further. # FAQ > Frequently asked questions about using ExpertMD for expert witness case management. # Frequently Asked Questions Find answers to common questions about ExpertMD. Browse by category or search for your specific question. Questions about fees, payouts, payment methods, refunds, and invoicing Questions about intake requests, case management, documents, and collaboration ## General questions ### What is ExpertMD? ExpertMD is a platform that connects attorneys with medical expert witnesses. It provides tools for intake management, case collaboration, invoicing, and secure document sharing, all protected by end-to-end encryption. ### Who can use ExpertMD? ExpertMD is available to: * **Medical professionals** -- Physicians, surgeons, and other medical experts who provide expert witness services * **Attorneys** -- Legal professionals who need qualified medical expert witnesses for their cases ### How much does ExpertMD cost? * **For doctors** -- ExpertMD charges a 2% platform fee on each invoice payment. There are no subscription fees. * **For attorneys** -- Creating an account and submitting intake requests is free. Subscription tiers are available for team collaboration features. ### Is my data secure? Yes. ExpertMD uses end-to-end encryption to protect sensitive case data. Your passphrase never leaves your device, and ExpertMD staff cannot read your encrypted data. See the [Security](/security) section for details. ### How do I contact support? Email us at [support@expertmd.io](mailto:support@expertmd.io). We typically respond within 1 business day. ### Can I use ExpertMD on mobile? ExpertMD is a web application that is responsive and works on mobile browsers. There is currently no native mobile app, but the web experience is fully functional on phones and tablets.