BuildRuler vs RoasFloor

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

BuildRuler compared with RoasFloor
Detail	BuildRuler	RoasFloor
What it does	Free calculators for home and yard projects	Break-even ROAS calculator with tariff-aware landed cost for ecommerce
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	HK
Pricing model	Free	Not given
Pricing	Not given	Free: all eleven calculators unlimited, no account required. Pro: $19 per month or $190 per year (two months free).
Key features	Scale drawings for projects to verify inputs Customizable material prices and weights from suppliers Pool and pond calculators for volume and salt requirements	Tariff-aware break-even ROAS calculation including 2026 US import duties Scenario modeling for price and tariff rate changes Tariff alerts when policy rates change CSV export of SKU profiles
What makes it different	No sign-up or email required to use calculators Shows formula and formula reasoning for each calculator Customizable inputs with your own supplier data Part of Ruler family including CarRuler and PolicyRuler	Free tool with no signup required; all calculators stay free forever Tariff calculations verified and dated; rates sourced from official sources with HTS code accuracy Accounts for all hidden costs that platform ROAS does not include Flat monthly pricing with no per-order fees that scale with revenue Formulas fully transparent and printed in full; no proprietary model withheld
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 −3 (down) since last check	1 no change since last check
Trust Flow (Majestic)	0	2
Citation Flow (Majestic)	1	24
Referring domains (Majestic)	3	9

3 details filled in for both companies.

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