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birthchart.io 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.

birthchart.io compared with Spin the Wheel
Detailbirthchart.io logo birthchart.ioSpin the Wheel logo Spin the Wheel
What it doesBirth chart calculator Free random name picker powered by cryptographic randomness
StageNot given Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelFree Free
PricingNot given Free forever with no paywalls or hidden fees.
Key features
  • Calculate Sun, Moon and rising signs
  • Shows ten planets and aspects
  • Multiple house systems available
  • Private data processing on device
  • Save birth details to browser
  • Support for unknown birth times
  • Historical time zone handling
  • 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
  • Calculated entirely on your device with no cloud storage
  • No account or login required
  • Uses Astronomy Engine for precise geocentric calculations
  • Explains astrological concepts and limitations
  • 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)4 +2 (up) since last check4 no change since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)1214
Referring domains (Majestic)33

4 details filled in for both companies.

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