Best Synastry Apps

122+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

Synastry is the household name in synastry, but it's far from the only option. We track 122+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Synastry Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Synastry: Daily TransitsSynastry: Daily TransitsFreeYesNoMay 2026
2Astrology MasterAstrology MasterFree4.7★ (549)YesYesSep 2026
3Co–Star Personalized AstrologyCo–Star Personalized AstrologyFree4.8★ (206K)NoYesSep 2026
4Astro Future - Daily HoroscopeAstro Future - Daily HoroscopeFree4.8★ (20K)NoYesSep 2026
5TimePassages AstrologyTimePassages AstrologyFree4.8★ (44K)NoYesSep 2026
6Saiph: SynastrySaiph: SynastryFree5.0★ (1)NoYesMay 2026
7Human Design - My Birth ChartHuman Design - My Birth ChartFree4.7★ (786)NoYesSep 2026
8Knowe Astrology: Birth ChartKnowe Astrology: Birth ChartFree5.0★ (1)NoYesSep 2026

Top Picks for Synastry

Astrology Master#2

Astrology Master by ibrahim veli

An advanced astrology app
Strong Contender
🌟 Lifestyle
4.7😊(549 ratings)
FreeAdsIn-App Purchases
Astrology Master screenshot 1
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This advanced application generates detailed astrological charts and reports using various astrological formulas. It offers professional-level analysis for both enthusiasts and practitioners, allowing for in-depth calculations and interpretations.

What We Love

  • 🤩 Excellent astrology app with tons of features
  • 💫 Insightful and accurate interpretations
  • 🔍 Comprehensive chart types and analysis
  • 🧠 Helpful for both beginners and advanced users
  • 🔓 Free with minimal ads
  • 🌟 Highly recommended by professional astrologers

Room to Improve

  • 🗺️ Difficulty finding locations outside the US
  • ⏱️ Inaccurate time zone and timezone adjustments
  • 🤑 Ads still present even with paid subscription
  • 🐛 Occasional bugs and glitches
  • 🔍 Difficulty finding certain chart features
4.8😊(206K ratings)
FreeIn-App Purchases
#25in Lifestyle
Co–Star Personalized Astrology screenshot 1
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This app provides personalized daily horoscopes and compatibility readings based on NASA data and human astrologers. It helps users understand themselves and their relationships through astrological insights and offers premium features for deeper analysis and advice.

What We Love

  • ⭐ Insightful and accurate daily insights
  • 💕 Helpful for personal growth and reflection
  • 👍 Aesthetically pleasing and user-friendly design
  • 🔍 Detailed and comprehensive astrological analysis
  • 🤝 Ability to connect with friends and see compatibility

Room to Improve

  • 🤔 Occasionally vague or confusing horoscope messages
  • 😕 Negative or anxiety-inducing notifications
  • 💰 Paid features can be expensive
  • 🙅‍♀️ Lack of privacy/security with login options
  • 🐛 Bugs and login issues for some users

More Synastry apps to explore

FAQ about Synastry

Are there free synastry apps for iPhone?
Yes — 20 of the top synastry apps we rank are free to download, including Synastry: Daily Transits and Astrology Master.
Synastry: Daily Transits shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 122+ synastry apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

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