MD Flow vs RIPEN

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

MD Flow compared with RIPEN
Detail	MD Flow	RIPEN
What it does	Native app for browsing Markdown folders on Mac, iPhone, and iPad with instant preview	A habit tracker that draws your habits as one tree
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: browse and preview Markdown, 2 connected folders, 5 recent files, works offline. MD Flow Pro: $7.99 one-time purchase (US price; varies by region), unlimited connected folders, 50 recent files, search inside documents, PDF export, email drafts. Single purchase covers Mac, iPhone, and iPad.	Free: one identity with five habits. Pro: one-time purchase with up to four identities, time machine, nature sounds, music, unwatermarked media, and star map. Additional separate one-time purchases available for changing tree shape and sweeping fallen leaves.
Key features	Instant Markdown preview with Mermaid diagrams, KaTeX math, callouts, and YAML frontmatter support Browse folders of Markdown files with live previews Full-text search across connected folders (Pro) PDF export with math, diagrams, callouts and tables (Pro) Works with iCloud, Dropbox, and local folders No account required, files stay on device Unlimited connected folders (Pro) Higher volume of recent and loose files (Pro) Universal purchase for Mac, iPhone, and iPad	Mark habits daily with swipe interface Visual tree representation of progress Multiple identities with up to five habits each Undo capability until midnight Recovery secret for backup and restoration Accurate star map with constellations Nature sounds and music that persist Take a break feature for travel or illness Rooted habits with persistent gold fruits
What makes it different	Reader, not an editor—lightweight and focused on reading Markdown Private by default with no account, sign-in, or cloud requirement Native on Mac, iPhone, and iPad with one universal purchase One-time purchase instead of subscription Works offline and doesn't move or sync your files	No account, sign-up or analytics required One-time purchase instead of ongoing subscription Permanent visual record of habit progress with tree that never shrinks Based on 66-day habit formation research from University College London Real-time accurate night sky with constellations in Pro version
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 no change since last check	9 −1 (down) since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	16	11
Referring domains (Majestic)	24	1

5 details filled in for both companies.

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