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Kairocal vs AstroCalcolo

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

Kairocal compared with AstroCalcolo
DetailKairocal logo KairocalAstroCalcolo logo AstroCalcolo
What it doesFree Indian brokerage calculator for equity, F&O, commodity and currency trades Ascendant calculator for Italy and the world with IANA timezone conversion and historical rules
StageNot given Not given
FoundedNot given Not given
Based inNot given IT
Pricing modelFree Free
PricingNot given Not given
Key features
  • Multi-broker calculation across 10 Indian brokers
  • STT, GST, stamp duty, and DP charges included
  • Multiple trading segments: delivery, intraday, MTF, F&O, commodity, currency
  • Broker comparison by total charges
  • Contract-note style charge breakdown
  • Break-even sell price calculation
  • Net P&L calculation after all charges
  • DP charges calculated per ISIN
  • 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
  • Transparent mathematical formulas auditable against contract notes
  • Covers all statutory Indian market charges including 18% GST
  • Compare same trade across all 10 brokers instantly
  • Rules live in open JSON file for full transparency
  • 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)4 no change since last check20 no change since last check
Trust Flow (Majestic)08
Citation Flow (Majestic)1223
Referring domains (Majestic)353

4 details filled in for both companies.

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