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RobotCheck.coffee vs Diffoniq™

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

RobotCheck.coffee compared with Diffoniq™
DetailRobotCheck.coffee logo RobotCheck.coffeeDiffoniq™ logo Diffoniq™
What it doesIs Your Website AI-Readable? Compare files, folders and archives side by side on Windows
StageNot given Established
FoundedNot given 1995
Based inNot given AT
Pricing modelFree Free trial
PricingFree tool for checking individual websites. Optional API access via one-time purchases: €10 for 1,000 scans, €18 for 2,000 scans, up to €532 for 100,000 scans. API credits valid for 12 months. from $35 one-time, per user. Free 30-day full-featured evaluation. Volume tiers available for teams. Free 2.x upgrade for WDiff32 licensees.
Key features
  • robots.txt analysis
  • llms.txt checking
  • Sitemap XML validation
  • Schema.org validation
  • Open Graph checking
  • HTML structure analysis
  • Image alt text checking
  • Performance measurement
  • Canonical tag validation
  • Hreflang checking
  • 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
What makes it different
  • Free with no account required
  • Weekly rule updates reflecting latest LLM perception
  • Explicit rules for major AI crawlers
  • Actionable score with recommendations
  • 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
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)18 +2 (up) since last check2 no change since last check
Trust Flow (Majestic)118
Citation Flow (Majestic)279
Referring domains (Majestic)257

5 details filled in for both companies.

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