CalculatorFox vs isCalculator

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 isCalculator
Detail	CalculatorFox	isCalculator
What it does	Free online calculators with step-by-step workings and cited sources, embeddable on any website	Unlimited web calculators powered by AI
Stage	Startup	Not given
Founded	2026	Not given
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	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 calculator generation in real-time Thousands of ready-to-use calculators Search and discovery by name or topic Error-free calculations reviewed by AI Local browser-based computation for privacy Multiple calculator categories including health, finance and math Responsive design for any device No paywalls or usage limits
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 custom calculators in seconds based on user descriptions All calculators run locally in your browser for data privacy Continuously growing unlimited collection with no paywalls AI-powered tools adapt to specific user needs through reasoning
Community votes	0	0
DR (Domain Rating by Ahrefs)	23 −1 (down) since last check	28 no change since last check
Trust Flow (Majestic)	24	6
Citation Flow (Majestic)	34	34
Referring domains (Majestic)	88	472

4 details filled in for both companies.

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