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Web product

Added September 22, 2026

CalculatorFox

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About the product

CalculatorFox provides access to over 1,336 free calculators covering a wide range of math, finance, science, and everyday calculation needs. Each calculator includes step-by-step workings to help users understand the process and cited sources for accuracy. Users can embed calculators directly on their websites, save calculation scenarios for future reference, and compare results across multiple calculations. Ideal for students, professionals, and website owners looking to add reliable calculation tools to their projects.
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For product owners

Promote CalculatorFox

Every listing gets one post to our X and Threads followers. It is seen once, then the traffic stops. Promotion keeps CalculatorFox in front of people instead.

  • Back in the X and Threads rotation: CalculatorFox gets posted again instead of once.
  • A promoted slot on the AppRater homepage, carrying a Promoted badge.
  • A direct link to CalculatorFox from a DR45 site (Ahrefs Domain Rating), with no redirect in between.
  • A labelled spot in the weekly email to AppRater subscribers, one promoted app per issue.
  • Stays on the first screen however old the listing is, while new submissions push everything else down.

Monthly promotion

$14USD per month

Card, Apple Pay and more, through Whop. Starts straight away.

  • Cancel any time from the Whop account you paid with, or email [email protected] and we will do it.
  • The promotion starts straight away, no waiting on us.
  • Whop handles the checkout. We never see your card.

Questions first? Email [email protected].

For ownersOwn CalculatorFox? You can add a deal, post a role or put the badge on your own site.