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Diffoniq™ vs 51Degrees

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

Diffoniq™ compared with 51Degrees
DetailDiffoniq™ logo Diffoniq™ 51Degrees
What it doesCompare files, folders and archives side by side on Windows Device and IP intelligence APIs for developers
StageEstablished Established
Founded1995 2010
Based inAT GB
Pricing modelFree trial Freemium
Pricingfrom $35 one-time, per user. Free 30-day full-featured evaluation. Volume tiers available for teams. Free 2.x upgrade for WDiff32 licensees. Free plan: 10,000 monthly requests (cloud and on-premise); Essentials: €49 per month for 100,000 requests (cloud); Pro: €360 per month for 1,000,000 requests (cloud); Pro Plus: €680 per month for 5,000,000 requests (cloud); Bespoke: unlimited requests, custom terms (cloud and on-premise)
Key features
  • Side-by-side text comparison with in-place editing
  • Archive support for ZIP, 7-Zip, RAR, tar, CAB and ISO formats
  • Rename detection for files and archives
  • Recursive directory comparison with ignore rules
  • Binary byte-by-byte comparison mode
  • Folder synchronization with preview
  • Export reports as HTML, plain text or JSON
  • Integration with git, TortoiseGit, TortoiseSVN, IDEs and file managers
  • Persistent hash cache for fast repeat comparisons
  • Full Unicode support including UTF-8 and UTF-16
  • Device Detection - identify device model, OS, browser, and hardware
  • IP Intelligence - location, network, carrier, and VPN detection
  • Bot detection and Human Confidence scoring
  • Geolocation and reverse geocoding powered by OpenStreetMap
  • Pipeline API for custom data services
  • 51Did Inspector tool to inspect identifiers
  • Prebid.js RTD module integration
  • Cloud and on-premise deployment options
  • Support for multiple programming languages
  • User-Agent Client Hints support
What makes it different
  • No cloud, no accounts, no extraction required for archive comparison
  • Rename detection identifies moved files instead of showing as delete plus add
  • Native Windows application with persistent hash cache for speed
  • Works without leaving the diff: edit, merge and save within the same window
  • Free full-featured 30-day trial with no functional limits
  • Fifteen years of expertise in device detection with proprietary data
  • Open source approach with published API source code
  • Flexible deployment with both cloud and on-premise options
  • Extensible Pipeline API for aggregating micro services
  • Freemium model with free tier offering 10,000 monthly requests
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)2 no change since last check64 no change since last check
Trust Flow (Majestic)817
Citation Flow (Majestic)943
Referring domains (Majestic)7398

8 details filled in for both companies.

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