Not Emacs vs One Markdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Not Emacs
A programmer's text editor that mimics common Emacs keybindings and supports iCloud document syncing across devices. It offers syntax highlighting for several languages and is optimized for external keyboards, with an extended virtual keyboard as a backup.
- Emacs keybinding support
- iCloud document editing
- Syntax highlighting (Lisp, Scheme, JS, CSS, XML)
- External Bluetooth keyboard optimization
- Extended virtual keyboard
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Not Emacs is a text editor for programmers that supports many of the most common emacs keybindings. It allows editing iCloud documents that are automatically available from other devices. The app has been designed to be used with an external Bluetooth keyboard, but if you forgot it at home, it is still possible to get by with the extended virtual keyboard. This app is based on the ymacs editor (http://www.ymacs.org) and the Gambit Scheme programming system (http://gambitscheme.org). It has syntax highlighting for the following languages: Lisp, Scheme, JavaScript, CSS and XML.
One Markdown
A fast and simple editor for plain text, Markdown, and Textbundle formats. It offers full Markdown display, image previews, math formula rendering, and extensive customization options for themes and fonts. Includes tools for syntax input, table generation, and document outlining.
- Supports CommonMark and GitHub Flavored Markdown
- Full Markdown document display
- Image and math formula previews
- Customizable themes and fonts
- Markdown syntax input menu and keyboard
- Outline and word count view
- Editor & Preview mode
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One Markdown is a simple and fast editor that supports plain text, Markdown and Textbundle. It has the following features: * Base on CommonMark syntax and GitHub Flavored Markdown (GFM) extended syntax, supporting TOC, tables, code blocks, math formulas, task lists, footnotes, etc. * Display the text of the Markdown document completely without any deletion. * Images can be displayed directly in the Editor, supporting jpg, png, gif, webP, HEIC and etc. * Math formulas, mermaid and Echarts drawings can be previewed in the editor. * You can set your favorite font or multiple fonts for writing. * You can choose from 11 light themes and 21 dark themes, and also support custom themes. * There is a menu to facilitate the input of Markdown syntax, and a special Markdown syntax keyboard is also provided in iOS. * Convenient tools for generating and formatting Markdown table syntax. * You can view the outline and word count of Markdown documents. * Markdown documents can be previewed and support Editor & Preview mode. Terms of Use: https://www.mweb.im/onemarkdown-terms.html Privacy Policy: https://www.mweb.im/onemarkdown-policy.html PS: The lightweight choice is One Markdown. If you need a complete and powerful app, please take a look at MWeb, I hope you like it!
Screenshots
Verdict
The clearest difference is rating: One Markdown at 4.6 against Not Emacs's 4.0. One Markdown also leads on review sentiment (82% vs 50%) and ratings volume (149 vs 21). Not Emacs's advantage is in-app purchases (none vs 3) and iOS requirement (6.1 vs 15). On price, update cadence, ads and device support 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. One Markdown sells 3 in-app purchases, starting at $3.99 per year. Not Emacs asks for nothing beyond the download.
One Markdown holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: One Markdown has 149 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 50% of Not Emacs's written reviews are positive against 82% of One Markdown's.
Not Emacs ships an update every 2 weeks, One Markdown monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Not Emacs | One Markdown |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (21 ratings) | 4.6 (149 ratings) — better |
| Positive reviews | 50.0% of reviews | 82.1% of reviews — better |
| Number of ratings | 21 | 149 — better |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 6.1 — better | 15 |
| Further details — not scored | ||
| Size | 18 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Marc Feeley | 禄海 区 |
Customer experience
Not Emacs
One Markdown
In-app purchases
Not Emacs
No in-app purchases
One Markdown
- One Markdown Yearly Subscribe$3.991 Year
- One Markdown for Mac$9.99
- One Markdown for iPhone/iPad$9.99









