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firenum™ vs UltraCalcPal

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 UltraCalcPal
Detailfirenum™ logo firenum™UltraCalcPal logo UltraCalcPal
What it doesFree FIRE financial planner with Monte Carlo simulation and historical backtesting Ultra-marathon nutrition calculator for race-day fuelling
StageEstablished Not given
Founded2019 Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free account with demo calculator and one saved plan. Pro is €13 EUR once per plan for aid-station planner, race-day forecast, sharing, PDF, race-week reminder and learning from past race.
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
  • Carbohydrate, fluid and sodium calculations per hour based on weight, effort and weather
  • Fuel ideas in gels, chews, drink mix or real food with mixed strategy options
  • Aid-station planner with up to 60 stations and drop-bag lists
  • GPX file import for race route and waypoints
  • Race-day forecast with heat-index adjustments
  • Hour-by-hour race plan table with night-race adjustments
  • Shareable private links to share plans with crew
  • Printable PDF of the complete race plan
  • Race-week reminder by push or email with key numbers
  • Post-race review to learn from past races
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
  • Demo calculator requires no account and sends nothing to the browser
  • One-time €13 EUR payment per plan with no subscription
  • Personalised calculations based on published sports-nutrition ranges scaled to your weight and conditions
  • Plans are private by default with revocable sharing links
  • No ad trackers and ability to delete all personal data
Community votes00
DR (Domain Rating by Ahrefs)13 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)340
Referring domains (Majestic)1270

4 details filled in for both companies.

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