CalcDune · Office #48,900

What it is

Calls itself “free online calculators”.

• Calls itself: free online calculators

“…free online calculators”

Where it puts itself

Rules out “subscription”. Publishes a comparison page.

• Says it will not: subscription

“Every calculator is free to use, with no sign-up, subscription or hidden fee.”

“APR vs. APY Interest Rate Converter -> https://calcdune.com/apr-vs-apy-interest-rate-converter/”

What it costs

Yearly plan. A free tier, free forever. No monthly plan.

• Monthly: no
• Yearly: yes
• Free plan: free forever

“Monthly payment $1,896”

“$48,200 Retirement income / yr”

“137 free calculators”

Who it sells to

Sells to consumers. Made for students and teachers.

• Sells to: consumers
• Made for: students · teachers

“Our mission is to make useful calculations accessible to everyone.”

“Ideal for students, teachers, and anyone who wants answers with explanations - not just numbers.”

How it runs

A web app. Runs locally and works offline. Built with WordPress.

• Kind: web
• Runs where: on the device, offline
• Built with: WordPress

“Yes. They are designed to work on phones, tablets and desktops in any modern browser, with no app to download.”

“Fast, private, and no sign-up - your numbers never leave your browser.”

What it offers as proof

Live, no waitlist. Claims “137”. Try it without signing up. Publishes a blog.

• Number claimed: 137
• Trial asks for: nothing

“No sign-up required.”

“137 free calculators”