SafePrompt Mobile vs MathDown

SafePrompt removes private data and replaces it with placeholders before anything is shared. On your iPhone or iPad it prepares documents for AI and keeps your prompts. Processing stays on your device until you choose to copy or send the result. What you can do: - Replace names, email addresses, phone numbers, dates and addresses with clear placeholders - Keep a library of prompts and combine them with your text - Import PDF, Word, Excel and PowerPoint files, or paste text directly - Review every change and adjust it before anything leaves your device - Copy the result or share it with an AI service or chatbot - Work through several files at once and create a redacted copy of the original Premium goes further: - Longer documents - A larger prompt library - Bigger batches, up to 50 files - Unlimited insertion of the original details when you want them back - Family Sharing, so people in your family can use Premium too Premium is $0.99 per month, billed to your Apple Account, and renews until you cancel in Apple Account settings. If you bought the original SafePrompt app, Restore Purchases keeps Premium for you. Automatic detection supports you; please review the result before you share it. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Pay once, use forever. No subscriptions! Write markdown documents with live LaTeX math rendering. Expressions inside $ and $$ blocks are automatically parsed, evaluated, and displayed as beautifully typeset equations. • Define variables and reuse them across your document • Create functions like let f(x) = x^2 and evaluate them • Automatic algebraic simplification combines like terms • Full LaTeX support: fractions, roots, subscripts, superscripts Perfect for math notes, homework, tutorials, or any document where you want calculations that update as you type.