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Freedom Calcs vs AstroCalcolo

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

Freedom Calcs compared with AstroCalcolo
DetailFreedom Calcs logo Freedom CalcsAstroCalcolo logo AstroCalcolo
What it doesFree Coast FIRE calculator to estimate your retirement savings milestone Ascendant calculator for Italy and the world with IANA timezone conversion and historical rules
StageStartup Not given
Founded2026 Not given
Based inNot given IT
Pricing modelFree Free
PricingNot given Not given
Key features
  • Calculate invested assets needed today for Coast FIRE milestone
  • Interactive calculator with real-time updates as you edit inputs
  • Compare multiple contribution scenarios with projected retirement assets
  • Explore return assumptions with sensitivity analysis
  • Five related FIRE calculators: Coast, Barista, Fat, Lean, and FIRE Number
  • Customize metro area budget or enter your own annual spending
  • Transparent formulas and documented verification checks
  • All calculations performed in browser with no data uploads
  • IANA timezone conversion with historical rules for accurate local to UTC conversion
  • Supports over 7,800 Italian cities and 165,000 global cities
  • Shows margin of error with ±15, ±30, or ±60 minute options
  • Multi-level personalized reading including base description, decan analysis, and sun-ascendant synthesis
  • Daylight saving time automatically applied based on historical rules for location and date
  • All calculations processed locally in browser with no data sent to external services
  • Cusps warning to alert when result is near a zodiac sign boundary
  • Monthly table tool for quick checks across different times and signs
  • Combined moon and ascendant calculator in one tool
  • Chrome extension for quick ascendant checks from the browser
What makes it different
  • Free with no account required and calculations run entirely in your browser
  • Transparent assumptions with linked original research and sources
  • Deterministic scenarios and educational model focused on inspection and understanding
  • Multiple complementary calculators for different retirement planning questions
  • Public correction process and documented model updates
  • Transparent about uncertainty: displays margin of error and warns when result is near sign boundaries
  • Uses reliable IANA timezone database with historical rules, not approximations
  • Privacy-first: all computation happens locally in the browser without storing or sending personal data
  • Clear explanations of calculation method, limits, and how to interpret results
  • Independent project maintained transparently by a single developer
Community votes00
DR (Domain Rating by Ahrefs)6 no change since last check20 no change since last check
Trust Flow (Majestic)108
Citation Flow (Majestic)2023
Referring domains (Majestic)1253

4 details filled in for both companies.

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