Inkiostro vs MathDown

Inkiostro is a Markdown editor for people who write — notes, documentation, theses, novels. Plain text files that stay yours, a preview that looks like a finished page, and exports ready to hand over. Buy once, no subscription. No account, no tracking. WRITE, SEE, FINISH • A complete Markdown toolbar: headings, lists, tables and code blocks, one tap away. • A side-by-side preview that comes back exactly where you left it. • LaTeX formulas typeset by KaTeX, and Mermaid diagrams drawn as you type. • 27 preview styles, 11 of them free: GitHub, Sepia, Nord, Solarized and more. With Pro, Manuscript, Book, Report, Academic and others set the page like print. • Focus and Typewriter modes, a live word count and a daily writing goal. FROM DRAFT TO BOOK • PDF with selectable text, formulas and diagrams included. Free, with a small credit line in the footer. • A professional ePub: real chapters, a cover, ISBN, series, footnotes that open over the page, and the accessibility declaration Europe requires. The export sheet tells you what a store would reject — before you send it. (Pro) • A book made of many files: one chapter per file, in a folder, in the order you choose. Arranging it is free; exporting it as a single ePub is Pro. • Self-contained HTML, and page setup for PDF: paper, margins, headers and page numbers. (Pro) NEVER LOSE A WORD • Version history: Inkiostro saves versions as you write. Search them, compare them line by line, and bring back a single word or a whole draft. (Pro) • Backups of your whole library: a dated zip archive with your version history inside, offered when one is due, while the app is open, in a folder you pick. Open it in the Files app and your Markdown files are right there. (Pro) YOUR FILES, YOUR RULES • Unlimited documents, as plain .md files you can open anywhere. • Folders, color labels and tags, with search that filters by tag. • iCloud Drive sync between iPhone, iPad and Mac, with no setup. • External folders: work directly inside any folder on your device or in iCloud Drive. (Pro) INKIOSTRO PRO — ONE PURCHASE, EVERY DEVICE One purchase unlocks Pro on iPhone, iPad and Mac, forever. Try it free for 7 days. • Version history with search, comparison and a year of versions • Backups of your library • Professional ePub, HTML, and books made of many files • PDF page setup • Focus and Typewriter modes • External folders • 24 app themes, the Pro preview styles and any font installed on your device MADE FOR • Writers: novels and essays in plain text, out as a real ebook • Students and researchers: notes and theses with proper formulas • Developers: READMEs, documentation and technical notes with diagrams • Anyone tired of paying every month for a text editor PRIVACY Your documents stay in your iCloud Drive or on your device. No servers of ours, ever. Inkiostro collects only anonymous, aggregated usage statistics — never personal data, never the content of your documents — and you can turn them off in Settings.

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.