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Color Dice vs Age by Serial Number

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

Color Dice compared with Age by Serial Number
DetailColor Dice logo Color DiceAge by Serial Number logo Age by Serial Number
What it doesFree online random color tool for games, classrooms, and group activities Find how old a water heater, furnace or air conditioner is from its serial number
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: $0/forever with unlimited dice rolls, edit and run activities, 3 saved activities after registration, single worksheets and browser PDF printing, and free template examples. Pro: $24.00/year USD, billed yearly, includes everything in Free plus 200 saved activities, 20 folders and 20 lesson col Not given
Key features
  • Roll 1 to 6 dice simultaneously
  • Four-color or six-color preset options
  • Custom color selection
  • Fullscreen mode for classroom displays
  • Roll history tracking
  • Shareable setup links
  • Accessible color symbols for identification
  • Keyboard control with space bar
  • Mobile and desktop compatible
  • No account required for basic use
  • Water heater serial number decoders for Bradford White, A.O. Smith, State, American, Whirlpool, Rheem, Ruud, Lochinvar
  • Furnace and air conditioner decoders for Goodman, Amana, Lennox, Carrier, Trane, American Standard
  • Water heater and furnace error code lookups
  • Water heater sizing calculator for tank and tankless models
  • Rheem water heater status light meanings
  • Goodman furnace LED flash code reference
  • Rinnai V53De tankless water heater code lookup
  • Rheem tankless water heater code lookup
What makes it different
  • Completely free with no sign-up required for rolling dice
  • Equal probability for every color in active set
  • No personal data collection or file uploads during use
  • Optional Pro plan for teachers with activity organization and teaching resources
  • Independent reference not affiliated with or endorsed by any manufacturer
  • Distinguishes manufacture date from installation date and emphasizes condition and maintenance over age
  • Covers safety guidance including gas smell warnings and professional contractor recommendations
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes10
DR (Domain Rating by Ahrefs)24 +1 (up) since last check1 no change since last check
Trust Flow (Majestic)31
Citation Flow (Majestic)2417
Referring domains (Majestic)164

4 details filled in for both companies.

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