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DisplayMath vs Spin the Wheel

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

DisplayMath compared with Spin the Wheel
DetailDisplayMath logo DisplayMathSpin the Wheel logo Spin the Wheel
What it doesFree screen size calculator that compares TVs and monitors to scale Free random name picker powered by cryptographic randomness
StageNot given Startup
FoundedNot given 2026
Based inRO Not given
Pricing modelFreemium Free
PricingFree calculators; optional Planning Pack €9 one-time purchase Free forever with no paywalls or hidden fees.
Key features
  • Side-by-side display comparison at true scale
  • Calculate physical dimensions from resolution and diagonal
  • Pixel density (PPI) calculations
  • Field of view angle visualization
  • Preset lists of monitors, TVs, laptops and phones
  • Pixels per degree (PPD) calculator
  • TV mounting height calculator
  • Curved monitor radius support
  • Optional Planning Pack PDF export
  • Cryptographically secure randomness using crypto.getRandomValues()
  • Equal probability for all entries
  • Remove and spin again functionality
  • Recent Winners log tracking all decisions
  • Built-in fairness test with 10,000 simulated spins
  • No account or download required
  • Works on any modern browser
  • Client-side application with no data transmission
  • Unlimited entries with auto-resizing segments
  • Multiple wheel configurations for different use cases
What makes it different
  • Draws every display to scale for visual comparison instead of guessing
  • Uses THX and pixel-per-degree references for viewing recommendations
  • Augmented reality shows actual screen size on your wall
  • Free to use with no account or signup required
  • Independent with no manufacturer influence on calculations
  • Uses cryptographic randomness instead of predictable algorithms like Math.random()
  • Built-in fairness verification test that runs 10,000 spins to prove equal distribution
  • Completely private with no data stored on servers or shared with third parties
  • Instant results with no signup, download, or hidden costs
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check4 no change since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)2414
Referring domains (Majestic)183

5 details filled in for both companies.

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