MD Flow vs OAS – Outlook Assistant Suite

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 OAS – Outlook Assistant Suite
Detail	MD Flow	OAS – Outlook Assistant Suite
What it does	Native app for browsing Markdown folders on Mac, iPhone, and iPad with instant preview	Automatically organise your Outlook email with smart rules, archiving, and follow-up tracking
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	NL
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.	Annual Licence: €19.95 including VAT per year (€16.49 excluding VAT); Lifetime Licence: €32.50 including VAT one-time purchase (€26.86 excluding VAT)
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	Automatic inbox cleanup with customizable rules Intelligent email archiving with custom folder organization Follow-up tracking for emails requiring action or replies Rule management and testing before activation Time-period based archive organization Automatic reply recognition for follow-ups Archive history and audit trail Available in 7 languages
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	Works directly integrated into Outlook without requiring technical knowledge
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	18 no change since last check
Trust Flow (Majestic)	0	1
Citation Flow (Majestic)	16	10
Referring domains (Majestic)	24	2

5 details filled in for both companies.

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