EasyMD vs OpenDeck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EasyMD
A mobile application designed for reading and editing Markdown files. It supports various rendering features like code syntax highlighting, LaTeX math, and Mermaid diagrams, with a focus on clear technical documentation and note-taking.
- Markdown, HTML, LaTeX, Mermaid rendering
- Syntax-highlighted code blocks
- Table of contents navigation
- Split view for editing and live preview
- Multiple reading and code themes
- Adjustable font size and text styles
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mobileMD is a Markdown reader and editor built for clarity—ideal for technical docs, notes, and long-form reading on mobile. **Reading** - Multiple reading themes and code themes - Reading mode for fewer distractions - Table of contents for quick navigation in long files - In-document search, favorites, and recent files **Rendering** - Standard Markdown and common GFM features (tables, task lists, etc.) - Syntax-highlighted code blocks - LaTeX math - Mermaid diagrams (rendered when online) - Footnotes - Common HTML tags where supported (e.g. collapsible sections, highlights, keyboard keys) **Editing** - Split view or tabs for edit and live preview - Toolbar for common Markdown inserts **Other** - Localized app UI - Adjustable font size and serif / sans-serif body text Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://yuwang001.github.io/xm/mf_privacy_policy1.html
OpenDeck
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OpenDeck is a viewer for self-contained HTML *documents* ("decks"), analogous to a PDF reader or a web browser opening a local page. Decks are content the user explicitly imports (via Files, AirDrop, or the share sheet) — they are not code downloaded to change the app's own features, and the app ships no in-app store or remote-content fetch. Each deck renders inside a sandboxed, cross-origin iframe served from an isolated origin (a custom deck:// scheme on iOS/macOS). The sandbox withholds top-level navigation, so a deck can never replace or reach the app shell or the native bridge. The app's functionality is fixed; decks cannot alter it. (Ref: Guideline 2.5.2.) To test presenting: on first launch the app preloads a short "Welcome" deck plus three example decks (illustrative HTML presentations) — open any of them from the library and move through the slides by tapping the screen (iPhone/iPad), using the on-screen arrow controls or the thumbnail rail, or pressing the left/right arrow keys. To test import: ready-made .deck files are downloadable from the "Examples" section of the home page at https://open-deck.org (smallest is "What Compounding Actually Does", 0.3 MB — direct link: https://open-deck.org/downloads/compounding.deck). Download one on the device, then open it via the system Share sheet → OpenDeck, or from the Files app — it is added to the library. Note: those three decks are also preloaded, and decks are content-addressed, so re-importing one simply refreshes it rather than duplicating; to watch a brand-new deck appear, first delete it from the library (••• → Delete) and then import the downloaded file. (AirDrop'ing any .deck to the device and choosing OpenDeck works too.) The bundled example decks are first-party sample content; any photographs in them are licensed stock imagery (Pexels License, which permits commercial and in-app use). The app collects no data and makes no network requests; everything is stored on-device.
Screenshots
Verdict
The clearest difference is in-app purchases: OpenDeck at none against EasyMD's 3. On price, ads, device support and iOS requirement there is nothing between them.
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. EasyMD sells 3 in-app purchases, starting at $2.99 per month. OpenDeck asks for nothing beyond the download.
| Parameter | EasyMD | OpenDeck |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| Update frequency | Every 8 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 51 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | 望 余 | Sinisha Djukic |
In-app purchases
EasyMD
- Monthly$2.991 Month
- Yearly$19.991 Year
- Lifetime Access$12.99
OpenDeck
No in-app purchases









