Skip to main content

Built by makers, shipped in public

Sign in

CalculatorFox vs SpinMind

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 SpinMind
DetailCalculatorFox logo CalculatorFoxSpinMind logo SpinMind
What it doesFree online calculators with step-by-step workings and cited sources, embeddable on any website Not given
StageStartup Not given
Founded2026 Not given
Based inGB Not given
Pricing modelFreemium Free
PricingFree 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 Not given
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
  • AI-powered wheel generation from text descriptions
  • Weighted odds control
  • Combo results display
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
  • AI generates wheels in seconds from natural language descriptions
  • Fair decision-making with weighted odds
  • Supports multiple use cases with built-in templates
Community votes00
DR (Domain Rating by Ahrefs)23 −1 (down) since last check2 no change since last check
Trust Flow (Majestic)243
Citation Flow (Majestic)3418
Referring domains (Majestic)8816

3 details filled in for both companies.

More alternatives to CalculatorFox More alternatives to SpinMind

Ask us