CalculatorFox 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.

CalculatorFox compared with Spin the Wheel
Detail	CalculatorFox	Spin the Wheel
What it does	Free online calculators with step-by-step workings and cited sources, embeddable on any website	Free random name picker powered by cryptographic randomness
Stage	Startup	Startup
Founded	2026	2026
Based in	GB	Not given
Pricing model	Freemium	Free
Pricing	Free plan: all calculators with ads, 5 saved calculations, 1 private link. Personal: $29 USD/year or $5/month with unlimited saved calculations, no ads, PDF and CSV export. Advisor: $149 USD/year or $19/month with client-facing branding, scenarios grouped by client, one PDF per client, and priority	Free forever with no paywalls or hidden fees.
Key features	1,336 calculators across 23 categories Step-by-step calculation workings shown live Cited sources on every calculator page Save and compare scenarios side by side Embed calculators on your website with three lines of code Update shared figures once across all embeds Export results as PDF or CSV Reusable assumption profiles Private read-only links with expiration Client management and reporting features	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	Visible calculation working for every result, so you can inspect the math rather than trust blindly Every calculator declares its method and sources in code with checked examples Free embedding with your own branding and no tracking of readers Similar calculators are consolidated to one preferred page to avoid duplicate search results	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 votes	0	0
DR (Domain Rating by Ahrefs)	23 −1 (down) since last check	4 no change since last check
Trust Flow (Majestic)	24	0
Citation Flow (Majestic)	34	14
Referring domains (Majestic)	88	3

7 details filled in for both companies.

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