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Head-to-head · Astrology Software

Astrolog vs TimePassages

  • Updated Sep 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Astrolog #5 in Astrology Software 7.7/10 Free plan Free plan✓ 4 of 6 features Visit Astrolog
TimePassages #7 in Astrology Software 7.2/10 Free plan Free plan✓ 5 of 6 features Visit TimePassages

Astrolog leads on 0 checks, TimePassages on 1, and 6 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAstrolog · 7.7/10
  • Free planboth
  • Most featuresTimePassages · 5 of 6

Astrolog scores higher on our rubric for astrology software: 7.7 against 7.2 out of 10; our editors rank them #5 and #7.

On chart system, Astrolog gives you Multi-system where TimePassages offers Western. TimePassages offers mobile app; Astrolog doesn't.

Astrolog is the better fit for desktop users wanting free, configurable astrology tools. TimePassages is the better fit for users wanting chart tools across many devices.

  • Astrolog fits best

    Desktop users wanting free, configurable astrology tools

  • TimePassages fits best

    Users wanting chart tools across many devices

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Astrolog 7.7/10 Visit ↗ TimePassages 7.2/10 Visit ↗
At a glance
Editor score 7.7 7.2
Ranking #5 in Astrology Software #7 in Astrology Software
Best for Desktop users wanting free, configurable astrology tools Users wanting chart tools across many devices
Pricing model Free Free plan + paid
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Desktop Cloud, Desktop, Mobile
Platforms Windows, macOS, Linux Web, Windows, macOS, iOS, Android
Built for Solo, Small business Solo, Small business
Features Astrolog 4/6 · TimePassages 5/6
Transit forecasting ✓ ✓
Synastry charts ✓ ✓
Report builder ✓ ✓
Mobile app — ✓ (best)
Desktop app ✓ ✓
API access — Not published
Specs
Chart system Multi-system Western
Our review
Pros
  • Calculates natal, relationship, transit, and progression charts
  • Supports Indian/Vedic, tropical, and sidereal zodiac formats
  • Offers exports, macros, command-line options, and AstroExpression customization
  • Syncs saved charts across web, desktop, and mobile apps
  • Combines transits, progressions, synastry, and composite charts
  • Exports charts and reports as PDF or image files
Cons
  • Runs on desktop platforms rather than mobile
  • Does not provide API access
  • Its listed integration is limited to iCalendar
  • No AI features for interpretation or chart analysis
  • Support is offered by email, phone, and docs rather than 24/7 service
  • Advanced reports and commercial-use features require separate options
Our verdict

Astrolog is a free, open-source astrology chart calculation program for desktop users who want detailed charting across several traditions. It runs on Windows, macOS, and Linux, and its scope includes natal and standard wheel charts,…

Read the review →

TimePassages is astrology software for beginners and professional astrologers who need birth-chart calculations and interpretation tools across web, Windows, macOS, iOS, and Android. It calculates charts from birth date, time, and…

Read the review →
  1. AstrologAstrology Software 7.7Free plan
  2. TimePassagesAstrology Software 7.2Free plan

Strengths and trade-offs

  • Astrolog — where it wins

    • Calculates natal, relationship, transit, and progression charts
    • Supports Indian/Vedic, tropical, and sidereal zodiac formats
    • Offers exports, macros, command-line options, and AstroExpression customization

    Where it doesn't

    • Runs on desktop platforms rather than mobile
    • Does not provide API access
    • Its listed integration is limited to iCalendar
  • TimePassages — where it wins

    • Syncs saved charts across web, desktop, and mobile apps
    • Combines transits, progressions, synastry, and composite charts
    • Exports charts and reports as PDF or image files

    Where it doesn't

    • No AI features for interpretation or chart analysis
    • Support is offered by email, phone, and docs rather than 24/7 service
    • Advanced reports and commercial-use features require separate options

More comparisons

Guides on astrology software

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update