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Appliage vs FPSDEN

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

Appliage compared with FPSDEN
DetailAppliage logo AppliageFPSDEN logo FPSDEN
What it doesFree appliance age finder that decodes serial numbers to find manufacture dates Free browser tools for random picks, printable practice, wheels and data conversion
StageNot given Startup
FoundedNot given 2026
Based inUS Not given
Pricing modelFree Free
PricingNot given Not given
Key features
  • Supports 81 appliance brands including HVAC, water heaters and boilers
  • Decodes using official manufacturer date code rules
  • Uses government energy records and certification directories
  • No signup required
  • Shows recall notices when available
  • Results labeled as Confirmed, Estimated, Candidates or No date
  • 390,732 models on file
  • Random Number Generator with customizable range and quantity
  • Random Letter Generator for A–Z selection
  • Random State Generator for 50 U.S. states
  • Random Number Wheel with editable options and weights
  • Worksheet Generator for fraction practice and handwriting
  • Country Wheel with 193 UN member states
  • Truth or Dare Wheel with family-friendly prompts
  • JSON to CSV Converter with delimiter and BOM options
  • UUID Generator for v4 or v7 with multiple options
  • Cursive Generator for Unicode text conversion
What makes it different
  • Independent research not affiliated with any appliance manufacturer
  • Uses multiple official sources including manufacturer documents and government databases
  • Model records help narrow down repeated year codes
  • Everything runs locally in your browser without server uploads
  • No account or sign-up required
  • Continuous tool corrections and FAQ pages with examples
  • Uses browser cryptographic random source with rejection sampling
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)1 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)130
Referring domains (Majestic)120

4 details filled in for both companies.

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