md Viewer vs MarkDown Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
md Viewer
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md Viewer displays your Markdown files as real documents: diagrams, maps, callouts and highlighted entities, with the typography and colours of the ok-ia.ch design language. FEATURES • Faithful Markdown rendering (headings, tables, lists, quotes) • Mermaid diagrams: flowchart, sequence, gantt, pie, mindmap — with full-screen zoom • Leaflet maps (Obsidian plugin style): positioned markers, OpenFreeMap/OSM base maps, full-screen button for portrait or landscape • Obsidian callouts (note, tip, warning, bug…), wiki-links, entity highlighting (NER) • Presentation mode: your document becomes a full-screen slideshow, split on ---, with transitions, a thumbnail browser and five colour themes • Vault: point the app once at your reports folder and it finds them — so does Siri • Siri, Spotlight and Shortcuts: “Open the latest report”, “Summarise a report”… • Automatic table of contents, in-document search, adjustable text size • Paginated PDF export (A4 or Letter), Word and PowerPoint; share the .md file • Interface in 5 languages: English, French, German, Spanish, Italian • Dark mode, portrait and landscape, iPhone + iPad + Mac AI, ON YOUR DEVICE • Document summary, properly structured: a direct answer, chapters, lists — not a wall of text • Chat with the document: the opening screen offers questions drawn from the report itself, about its own subjects • Answers draw on its content alone; when the answer is not in it, the app says so instead of inventing one • They are written in the app's language, even when the report is written in another • The document is treated as data, never as a command: an instruction slipped into a report is not carried out • Everything runs on the device: no account, nothing uploaded, no text leaving it (requires an Apple Intelligence-capable device) 100% OFFLINE Rendering, diagrams, callouts, exports and the AI need no connection. Only map tiles load online. Open a .md from Files, the iOS share sheet, another app, or a web link (mdviewer://). “What algorithms don't know yet.” — ok-ia.ch
MarkDown Reader
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MarkDown Reader is a free, lightweight viewer for Markdown files. Double-click any .md file and read it beautifully rendered — no editor chrome, no distractions, just your document. It also turns a checklist into somewhere to work. Tick a task and the change is written straight back to the file, one character, instantly. Add a note to any item and it is saved as an ordinary indented bullet, so every other Markdown tool still reads it. On the Mac, drag a file onto an item to attach it, and click the chip to open it again later. Nothing is locked in a database. Everything this app writes is plain Markdown you can read in any editor. - Clean rendering of headings, tables, code blocks, and images - Interactive task lists: click a checkbox and the .md file updates instantly - Notes on any checklist item, saved as plain Markdown - Attach files to checklist items by dragging them in (macOS) - Clickable file references: a path in a code span opens in your editor (macOS) - Table of contents sidebar for long documents - Full-text search with match navigation - Live reload — edit the file elsewhere and the view keeps up - Zoom, print, and export to PDF - Copy the document's path or reveal it in the Finder (macOS) - Opens .md, .markdown, .mdown, .mkd, and .mkdn files - Sandboxed and private: no accounts, no analytics, no data collection
Screenshots
Verdict
md Viewer and MarkDown Reader are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
md Viewer ships an update monthly, MarkDown Reader every 5 weeks. Both last shipped on September 9, 2026.
| Parameter | md Viewer | MarkDown Reader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Patrick Ostertag | Edward Juden |
In-app purchases
md Viewer
No in-app purchases
MarkDown Reader
No in-app purchases









