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FirstDoor · Office #48,468

FirstDoor: know if a rental is a good deal in seconds

In the Calculators for everyday math neighborhood (Desktop and utilities). In town since 22 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.

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What Tablif read on FirstDoor's site

FirstDoor describes itself as: “FirstDoor — Free Rental Property Deal Score Calculator for First-Time Investors”

Where it puts itself

Publishes a comparison page.

“Rent growth vs home prices since 2021 Rents and prices both climbed. The mortgag -> https://usefirstdoor.com/guides/rent-growth-vs-home-prices”

What it costs

Monthly subscription and yearly plan. A free tier, free forever. 4 prices listed on its pages, from $0 to $79.

  • Monthly: yes
  • Yearly: yes
  • Free plan: free forever
  • Price: 4 prices, from $0 to $79
“Free $0 forever”
“$9/month or $79/year. Pro renews automatically until you cancel.”

Who it sells to

Sells to consumers. Built for solo users. Made for first-time investors. In English.

  • Sells to: consumers
  • Company size: solo / indie
  • Made for: first-time investors
  • Languages: English
“FirstDoor (usefirstdoor.com) tells first-time investors if a rental is worth buying.”
“Short guides in plain English.”

How it runs

A web app. Hosted in the cloud.

  • Kind: web
  • Runs where: cloud / hosted
“Turn on JavaScript to use the live calculator.”

What it works with

Names Stripe on its pages.

  • Names: Stripe
“FirstDoor (usefirstdoor.com) tells first-time investors if a rental is worth buying.”
“Secure checkout by Stripe.”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes docs.

  • Instant signup: yes
  • Trial asks for: nothing
“Enter price and rent for a Good, Okay or Pass verdict with cash flow, cap rate, DSCR and red flags. Free, no signup.”
“Free, no signup.”

Sources

Tablif read these pages, last on 22 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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