CheckMySum · Office #40,146

What it is

Calls itself “calculators”.

• Calls itself: calculators

“CheckMySum brings free pay, tax and savings calculators together in one place.”

Where it puts itself

Rules out “account to create” and “download”.

• Says it will not: account to create · download

“Every calculator here shows its working. You see the formula, a worked example, and a link to the official rule the figures come from.”

“There is no account to create and nothing to download.”

What it costs

A free tier, free forever.

• Free plan: free forever

“Every calculator below is free, needs no sign-up, and shows the formula and the official rule behind its answer.”

“CheckMySum brings free pay, tax and savings calculators together in one place.”

Who it sells to

Sells to consumers.

• Sells to: consumers

“For workers in the US and the UK.”

How it runs

A web app. Runs locally and works offline. No API.

• Kind: web
• Runs where: on the device, offline
• API: no

“CheckMySum brings free pay, tax and savings calculators together in one place.”

“Nothing you type leaves your browser”

What it offers as proof

Live, no waitlist. Claims “25”. Try it without signing up.

• Number claimed: 25
• Trial asks for: nothing

“No sign-up required.”

“25 free calculators for pay, tax and savings”