Zinkforge vs MD Flow

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

Zinkforge compared with MD Flow
Detail	Zinkforge	MD Flow
What it does	AI tools for Gmail that automate follow-ups, scheduling, and invoice management	Native app for browsing Markdown folders on Mac, iPhone, and iPad with instant preview
Stage	Not given	Not given
Founded	Not given	Not given
Based in	ES	Not given
Pricing model	Not given	Freemium
Pricing	Not given	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.
Key features	Track pending email replies in one view AI-powered follow-up suggestions based on thread context Invoice and receipt extraction in multiple formats Automatic invoice data organization into Google Sheets One-click Google Calendar event creation with meeting links Privacy-respecting data processing with no email retention GDPR compliant with EU data storage	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
What makes it different	Works directly within Gmail without requiring a separate CRM or tool Privacy-first approach with no email reading or data selling Data never used to train AI models and immediately discarded after use Minimal permissions requested from Gmail API Handles multiple document formats for invoice processing	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
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)	11 −1 (down) since last check	2 no change since last check
Trust Flow (Majestic)	17	0
Citation Flow (Majestic)	23	16
Referring domains (Majestic)	65	24

3 details filled in for both companies.

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