MonsiTools · Office #38,454

What it is

Calls itself “calculator”.

• Calls itself: calculator

“MonsiTools turns a formula you type in plain words, like price - product cost - shipping, into a working calculator.”

Where it puts itself

Rules out “No ads”.

• Says it will not: No ads

“No account needed to start. No ads.”

What it costs

Monthly subscription and yearly plan. A free tier, free forever. Prices quoted: $2.49 /week, $44.99 /year, $5.49 /month.

• Monthly: yes
• Yearly: yes
• Free plan: free forever
• Price: $2.49 /week · $44.99 /year · $5.49 /month

“$2.49 /week”

“$44.99 /year”

Who it sells to

Built for solo users. Made for Freelancers, SaaS founders and Shopify sellers.

• Company size: solo / indie
• Made for: Freelancers · SaaS founders · Shopify sellers

“This is a one-person project, not a team with a review board.”

“Freelancers Freelancer: day rate to annual income target”

How it runs

A API. Runs locally and works offline. Offers an API. AI is a side feature.

• Kind: api
• Runs where: on the device, offline
• API: yes
• AI role: a side feature

“A JSON API and remote MCP server let Claude, ChatGPT and Google Sheets run the same calculators.”

“Every tool runs entirely in your browser: your inputs are never sent to a server to compute a result”

What it works with

Integrates with ChatGPT, Claude, Cursor and 3 more.

• Integrates with: ChatGPT · Claude · Cursor · +3

“A JSON API and remote MCP server let Claude, ChatGPT and Google Sheets run the same calculators.”

“…let Claude, ChatGPT or Cursor run the calculators through the MCP server and JSON API.”

What it offers as proof

Live, no waitlist. Claims “1,368”. Try it without signing up. Publishes docs.

• Number claimed: 1,368
• Instant signup: yes
• Trial asks for: nothing

“Login”

“No account needed to start.”