CalculatorFox vs PlayTools

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 PlayTools
Detail	CalculatorFox	PlayTools
What it does	Free online calculators with step-by-step workings and cited sources, embeddable on any website	Free online calculators, converters, and developer tools that run in your browser
Stage	Startup	Startup
Founded	2026	2025
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	68 free tools across finance, development, and utilities Loan repayment and affordability calculators with total interest calculations Currency converter with 30 world currencies and live exchange rates JSON formatter, validator, and minifier with syntax highlighting Date and time tools including age calculator and timezone converter Runs entirely in browser with no server uploads Works offline after initial page load
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	No account or sign-up required Runs entirely client-side in your browser with no data sent to servers All tools are completely free with no usage limits Works offline after initial page load Privacy-first approach with no data collection or transmission
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	3
Citation Flow (Majestic)	34	35
Referring domains (Majestic)	88	6

6 details filled in for both companies.

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