firenum™ vs CostCal Pro

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

firenum™ compared with CostCal Pro
Detail	firenum™	CostCal Pro
What it does	Free FIRE financial planner with Monte Carlo simulation and historical backtesting	Enter every cost, pick the profit you want, get the exact sales price
Stage	Established	Not given
Founded	2019	Not given
Based in	Not given	Not given
Pricing model	Free	Freemium
Pricing	Not given	Free plan forever with 5 saved calculations and 5 exports per month. Starter at $49/year with 200 saved calculations and unlimited exports. Premium at $99/year with unlimited saved calculations and 3 sites. Agency at $199/year with unlimited saved calculations and 25 sites. All plans are yearly in U
Key features	Monte Carlo simulation with up to 5,000 runs Historical backtesting against every market period since 1872 US federal, state and payroll tax calculations for all 50 states Roth conversion ladder and RMD planning Six stress tests including market crash and job loss Three withdrawal strategies with 59.5 rule enforcement Support for 9 asset types with individual growth rates Month-by-month income and expense modeling with custom timelines Life event planning 9-currency support with auto-detection	Exact sales price calculation from costs Cost breakdown and donut chart VAT, rounding and price floors Bulk profit calculator for 1, 10, 100 or 500 units Discount simulator Break-even orders per month calculator Save and reopen calculations PDF and CSV export Catalogue check for loss detection WooCommerce and Shopify integration
What makes it different	Runs entirely in your browser with no account needed or data stored on servers Tests retirement against 154 years of historical market data since 1872 Calculates exact tax liability for all 50 US states plus federal and payroll taxes Completely private with no data collection, selling or sharing Works offline on Android with full planner functionality	Exact decimal math with no rounding drift Solves circular fee dependencies exactly Free plan never expires
Community votes	0	0
DR (Domain Rating by Ahrefs)	14 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	34	0
Referring domains (Majestic)	127	0

4 details filled in for both companies.

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