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CrunchMyPay vs firenum™

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

CrunchMyPay compared with firenum™
DetailCrunchMyPay logo CrunchMyPayfirenum™ logo firenum™
What it doesFree pay and money calculators with 2026 tax tables Free FIRE financial planner with Monte Carlo simulation and historical backtesting
StageNot given Established
FoundedNot given 2019
Based inUS Not given
Pricing modelFree Free
PricingAll calculators are free to use with no sign-up required. Not given
Key features
  • 50 free calculators covering pay, debt and everyday money
  • State-by-state paycheck calculations with current tax brackets
  • All calculations run in browser—no data sent to servers
  • No sign-up or login required
  • Built from primary sources: IRS, SSA, DOL and state agencies
  • Regression-tested with over 1,200 automated checks before release
  • 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
What makes it different
  • All calculations are transparent: every formula is shown and verifiable against official sources
  • Privacy by design: all math runs locally in your browser, no data collection
  • Completely free with no sign-up, ads or paywalls
  • Covers U.S.-specific rules: every state, FLSA overtime, tax law and payroll convention
  • 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
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check12 no change since last check
Trust Flow (Majestic)14
Citation Flow (Majestic)3234
Referring domains (Majestic)13127

4 details filled in for both companies.

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