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Best Birth Chart Calculator Apps

250+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated August 2026

TimePassages Astrology is the household name in birth chart calculator, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Birth Chart Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TimePassages AstrologyTimePassages AstrologyFree4.8★ (44K)NoYesAug 2026
2Co–Star Personalized AstrologyCo–Star Personalized AstrologyFree4.8★ (206K)NoYesAug 2026
3Horos - Birth ChartHoros - Birth ChartFree4.9★ (268)YesYesAug 2026
4Astro Future - Daily HoroscopeAstro Future - Daily HoroscopeFree4.8★ (20K)NoYesAug 2026
5TrueRise: Birth Time FinderTrueRise: Birth Time FinderFree—NoNoJul 2026
6Astrology PlusAstrology PlusFree4.7★ (6.6K)YesYesAug 2026
7Dr. Sapto ObstetriCalcDr. Sapto ObstetriCalcFree—NoNoAug 2026
8Quartz Blossom: Age BirthQuartz Blossom: Age BirthFree——NoJul 2026

Top Picks for Birth Chart Calculator

TimePassages Astrology#1

TimePassages Astrology by AstroGraph Software

The Original Astrology App
Editor's Choice
🌟 Lifestyle
4.8😊(44K ratings)
FreeIn-App Purchases
#96in Lifestyle
TimePassages Astrology screenshot 1
TimePassages Astrology screenshot 2
TimePassages Astrology screenshot 3
TimePassages Astrology screenshot 4
TimePassages Astrology screenshot 5
TimePassages Astrology screenshot 6

Explore your birth chart and receive personalized daily horoscopes based on your unique astrological map. Understand your inner world, relationships, and life's timing with interpretations from experienced astrologers. Free to start, with an option to upgrade for advanced features.

What We Love

  • 🚀 Detailed and accurate
  • 👍 Easy to navigate
  • 💡 Helpful for learning astrology
  • 🌟 Excellent for daily transits and horoscopes

Room to Improve

  • 🔒 Paid features/subscriptions required for full access
  • 🐛 Glitches, bugs, and crashes reported
  • 💸 Expensive for some users
Co–Star Personalized Astrology#2

Co–Star Personalized Astrology by Co-Star Astrology Society

Horoscopes from the Void
Strong Contender
🌟 Lifestyle
4.8😊(206K ratings)
FreeIn-App Purchases
#22in Lifestyle
Co–Star Personalized Astrology screenshot 1
Co–Star Personalized Astrology screenshot 2
Co–Star Personalized Astrology screenshot 3
Co–Star Personalized Astrology screenshot 4
Co–Star Personalized Astrology screenshot 5

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

Room to Improve

  • 🤔 Occasionally vague or confusing horoscope messages
  • 😕 Negative or anxiety-inducing notifications
  • 💰 Paid features can be expensive
Horos - Birth Chart#3

Horos - Birth Chart by GEEKERY TECHNOLOGY LTDA

Your complete birth chart
Worth Considering
🌟 Lifestyle
4.9😐(268 ratings)
FreeAdsIn-App Purchases
Horos - Birth Chart screenshot 1
Horos - Birth Chart screenshot 2
Horos - Birth Chart screenshot 3
Horos - Birth Chart screenshot 4
Horos - Birth Chart screenshot 5
Horos - Birth Chart screenshot 6

Explore your cosmic blueprint with in-depth birth chart analysis and AI-powered astrological insights. Navigate daily life and relationships with personalized horoscopes and transit tracking.

What We Love

  • 💎 Excellent astrology information
  • 👍 Easy to use and navigate
  • 🤝 Ability to add friends' charts
  • 🌟 Detailed chart explanations

Room to Improve

  • 🐛 Bugs and glitches (app crashing, incorrect placements)
  • 💰 Paywall for full features
  • 📢 Excessive ads

More Birth Chart Calculator apps to explore

4
Astro Future - Daily Horoscope
Astro Future - Daily Horoscope
Astro Future - Daily Horoscope
Astrology & Love Compatibility
Free

Explore your birth chart and gain insights into your life and future through detailed horoscopes. Understand planetary influences, check compatibility, and discover astrological events with this comprehensive astrology app.

Birth charts with detailed horoscopesDaily horoscopes with widgetsTransit charts and solar system view
🌟 Lifestyle
(20K)
freemium
5
TrueRise: Birth Time Finder
TrueRise: Birth Time Finder
TrueRise: Birth Time Finder
Estimate your rising sign
Free
🌟 Lifestyle
(0)
6
Astrology Plus
Astrology Plus
Astrology Plus
Daily Horoscope & Birth Charts
Free

Explore your cosmic journey with personalized horoscopes, birth chart analysis, and daily tarot readings. Discover romantic compatibility and gain insights into your personality, career, and destiny. Offers both free and premium features for a comprehensive astrological experience.

Personalized horoscopes (daily, weekly, monthly, annual)Detailed birth chart analysisDaily tarot card readings
🌟 Lifestyle
(6.6K)
free with in-app purchases
7
Dr. Sapto ObstetriCalc
Dr. Sapto ObstetriCalc
Dr. Sapto ObstetriCalc
Obstetric & GA Calculator
Free
🏥 Medical
(0)
8
Quartz Blossom: Age Birth
Quartz Blossom: Age Birth
Quartz Blossom: Age Birth
by Nick Fegerson Chelot
Free
🌟 Lifestyle
(0)
9
DrObsCalc
DrObsCalc
DrObsCalc
Intelligent GA & EDD Workflow
Free
🏥 Medical
(0)
10
Obstetrical Calculator
Obstetrical Calculator
Obstetrical Calculator
by Manuel Posadas
Free

This medical application provides essential calculations for obstetrics. It serves as a clinical support tool, but all results require confirmation by a healthcare professional. It is not a replacement for professional medical judgment.

Obstetrical calculationsClinical support toolRequires professional confirmation
🏥 Medical
(0)
free with in-app purchases
11
RD Life Calculator
RD Life Calculator
RD Life Calculator
Developed by MehanthanaDevaraj
Free
🌟 Lifestyle
(0)
12
Age Calculator: Exact Age DOB
Age Calculator: Exact Age DOB
Age Calculator: Exact Age DOB
Birthday Tracker & Countdown
Free
🔧 Utilities
(0)
13
Age Calculator & Birth Date
Age Calculator & Birth Date
Age Calculator & Birth Date
Baby Age & Birthday Tracker
Free
🔧 Utilities
(0)
14
Sanctuary Psychic Reading
Sanctuary Psychic Reading
Sanctuary Psychic Reading
Zodiac Horoscope & Astrology
Free

Get personalized psychic readings, tarot insights, and detailed horoscopes from real experts. Explore your birth chart, check relationship compatibility, and receive guidance for life's challenges. Connect with professional readers via text or voice call for confidential advice.

Personalized psychic readingsTarot card insightsDetailed horoscopes
🌟 Lifestyle
(44K)
free with in-app purchases
15
Obstetrum: OB-GYN Calculator
Obstetrum: OB-GYN Calculator
Obstetrum: OB-GYN Calculator
Gestational Age & Fetal Weight
Free
🏥 Medical
(0)
16
Knowe Astrology: Birth Chart
Knowe Astrology: Birth Chart
Knowe Astrology: Birth Chart
Synastry, Transits & Insight
Free

This app generates detailed natal charts, synastry comparisons, and transit readings. It offers AI-powered interpretations and includes a built-in astrology library for in-depth study. Ideal for both beginners and experienced astrologers seeking a clear workspace.

Accurate natal and birth chartsSynastry and compatibility analysisTransit tracking and timing
🌟 Lifestyle
(1)
freemium
17
Pregnancy Calculators Pro
Pregnancy Calculators Pro
Pregnancy Calculators Pro
Maternity and Motherhood
Free

This app helps healthcare practitioners and pregnant women track pregnancy progress. It calculates gestational age, estimated due dates, and fetal weight using various formulas. It also offers helpful tips and recommendations for diet, exercise, and antenatal care.

Gestational age calculationEstimated due date (EDD) calculatorFetal weight estimation
💪 Health & Fitness
(0)
ad-supported
18
Pregnancy Age Calculator
Pregnancy Age Calculator
Pregnancy Age Calculator
Track Your Pregnancy Easily
Free
💪 Health & Fitness
(0)
19
Deep River: Birth Precise
Deep River: Birth Precise
Deep River: Birth Precise
by Prakasa Prasetya
Free
🔧 Utilities
(0)
20
Age Calculator | Date of Birth
Age Calculator | Date of Birth
Age Calculator | Date of Birth
Birthday & Horoscope Tracker
Free
🌟 Lifestyle
(0)

FAQ about Birth Chart Calculator

What are the best birth chart calculator apps for iPhone?
TimePassages Astrology tops our birth chart calculator apps ranking as of August 2026, with a 4.8-star average from 44K App Store ratings, and it's free to download.
Yes — 20 of the top birth chart calculator apps we rank are free to download, including TimePassages Astrology and Co–Star Personalized Astrology.
TimePassages Astrology has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ birth chart calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
TimePassages Astrology helps you understand your birth chart, which is a map of your inner world, drives, gifts, and patterns. It provides personalized daily horoscopes, analyzes astrological dynamics in relationships, and clarifies life timing through transit and progression tracking.
All interpretations in TimePassages Astrology are written by real, experienced astrologers who have dedicated their lives to the craft. This ensures that the insights provided are human-crafted and not generated by AI or algorithms.