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Viewdown vs Filly AI

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

Viewdown compared with Filly AI
DetailViewdown logo ViewdownFilly AI logo Filly AI
What it doesMarkdown viewer for Mac, with live preview AI form filler that auto-fills PDF and Word forms from saved client profiles
StageEstablished Not given
FoundedNot given Not given
Based inNL HU
Pricing modelNot given Freemium
Pricing$11.99 USD one-time purchase, with 14-day free trial and no credit card required Free: $0/month with 10 free credits, 10 forms, 5 clients, 10 fills/month. Solo: $19/month (or $152/year with 4 months free) with 20 forms, unlimited clients, 100 fills/month, batch fill up to 5. Pro: $39/month (or $312/year with 4 months free) with unlimited forms, unlimited clients, unlimited fills
Key features
  • Live preview with automatic file watching
  • Automatic scrolling to changed content
  • Mermaid diagram rendering
  • LaTeX mathematics typesetting
  • Syntax highlighting for 80+ languages
  • Table of contents sidebar
  • Smart search matching rendered text
  • Support for tables and task lists
  • AI field extraction from PDF and Word documents
  • Scanned PDF and OCR support
  • Smart autofill from saved client profiles
  • Batch fill for up to 20 clients at once
  • CSV/spreadsheet import for form filling
  • No-login e-signature sharing
  • Official U.S. government form library (18 forms)
  • PDF toolbox (merge, split, rotate, redact)
  • AI fill assistant for answering form questions
  • Learning corrections that persist across future fills
What makes it different
  • Works with any editor already in use without plugins or extensions
  • Automatic scrolling marks recently edited content
  • Learns corrections once and applies them to every future fill of that form
  • Clients can sign without creating an account
  • Works with scanned PDFs and non-fillable forms via OCR
  • Data stored in EU with encryption and row-level database security
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)29 +29 (up) since last check4 no change since last check
Trust Flow (Majestic)245
Citation Flow (Majestic)1923
Referring domains (Majestic)3942

5 details filled in for both companies.

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