Laying out the streets…STEP 1 OF 3

SubDrain Calculator · Office #45,478

Calculate drainage flows and subdrain systems quickly

In the Personal money neighborhood (Industry). In town since 20 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on SubDrain Calculator's site

SubDrain Calculator describes itself as: “SubDrain Calculator — Turn forgotten subscriptions into possibilities”

What it is

Calls itself “Calculator”.

  • Calls itself: Calculator
“SubDrain Calculator”

Where it puts itself

Rules out “bank access”.

  • Says it will not: bank access
“We don’t ask for bank access or send your entries to a server.”

What it costs

Monthly subscription and yearly plan. A free tier, free forever.

  • Monthly: yes
  • Yearly: yes
  • Free plan: free forever
“Your monthly total $36 / month”
“$438 / year”

Who it sells to

Sells to consumers.

  • Sells to: consumers
“See what your unused subscriptions really cost—and what that money could become if you invested it instead.”

How it runs

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

  • Kind: web
  • Runs where: on the device, offline
  • API: no
“Calculations run in your browser and reset when you reload.”
“We don’t ask for bank access or send your entries to a server.”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes a blog.

  • Trial asks for: nothing
“No sign-up needed.”
“Blog -> https://worldmarka.com/blog”

Sources

Tablif read these pages, last on 20 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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