Chac app icon

Apps Like Chac for iPhone and iPad

Maya calendar and archaeoastronomy application.

The app calculates Maya calendar dates, including Long Count, Tzolk’in, and Haab’. It also functions as an archaeoastronomy program, identifying celestial events like Venus risings and solar eclipses.

by Warren Anderson★ 0.00 ratingsUtilities$9.99Data updated 2026-09-24

Chac screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. UniCal - Calendar Converter app icon

    UniCal - Calendar Converter

    Jacques Lafon

    Convert dates across many calendars.

    The app converts dates into multiple calendar systems including Gregorian, Hebrew, and Maya. It can also provide daily alerts for celebrations from any included calendar.

    ★ 0.00 ratingsEducationFreeData updated 2026-10-04
  2. Deluxe Moon Pro • App & Widget app icon

    Deluxe Moon Pro • App & Widget

    Sergey Vdovenko

    Track phases and lunar events

    Track lunar phases, moonrise and moonset times, and eclipse predictions. View detailed maps and surface features. Adjust settings for photography with exposure and focus guides. Access astronomical data and cultural lunar calendars.

    ★ 4.77,345 ratingsWeatherFreeData updated 2026-09-28
  3. Sky Guide app icon

    Sky Guide

    Fifth Star Labs LLC

    Identify stars, constellations, and planets

    Identify stars, constellations, planets, and satellites using augmented reality. View celestial objects with detailed information. Track movement of planets and satellites. Adjust settings for different sky conditions.

    ★ 4.8377,838 ratingsReferenceFreeData updated 2026-10-24
  1. Chinsoft Lunar Calendar app icon

    Chinsoft Lunar Calendar

    Chinsoft Co., Ltd.

    Track dates and daily fortunes

    Track dates across 221BC-3359AD with year, month, day, and decade views. View imperial details including five elements and nine star. Check daily do's and don'ts, lucky/unlucky spirits, and spirit directions.

    ★ 4.836 ratingsLifestyle$2.99Data updated 2026-09-08
  2. Azangoo app icon

    Azangoo

    LEOIO INC.

    Find qibla direction and calculate prayer times

    Determine qibla direction based on location. Calculate prayer times using location-based calculations. View calendar with event recording and date navigation in multiple languages. Set reminders for prayer times and events.

    ★ 4.719,936 ratingsUtilitiesFreeData updated 2026-09-09
  3. Moon Calendar Plus app icon

    Moon Calendar Plus

    Rivolu LLC

    Track phases and lunar events

    Track phases with a monthly showing each phase's date and time. View lunar events like eclipses and full moons. Set reminders for specific events. Share phase data via social media or email.

    ★ 4.81,039 ratingsWeatherFreeData updated 2026-09-14
  4. Spaceflight Simulator app icon

    Spaceflight Simulator

    Spaceflight Simulator UK Ltd

    Build rockets, explore space, track physics

    Build and customize rockets to explore a realistically scaled universe. Navigate using real orbital mechanics and travel to distant planets and objects. Interact with Mercury, Venus, Earth, the Moon, Mars, Phobos, and Deimos.

    ★ 4.897,587 ratingsGamesFreeData updated 2026-09-13
  5. 365 Days Calendar app icon

    365 Days Calendar

    Cyberdeploy Inc.

    Convert dates, track Julian Day Numbers, manage

    Convert Julian dates to Gregorian and vice versa. Calculate Julian Day Numbers. Track historical or scientific date references. Manage date conversions for astronomy, military, food production, or research.

    ★ 4.723 ratingsUtilities$1.99Data updated 2026-09-06
  6. iPersia Calendar تقویم ارز app icon

    iPersia Calendar تقویم ارز

    Exeersoft Inc

    Track events, set reminders, switch languages

    Displays dates in Persian, Islamic, and Gregorian calendars. Users can switch between English and Farsi languages. It shows international holidays and Persian events. Features include daily, monthly, and annual views.

    ★ 4.8235,179 ratingsProductivityFreeData updated 2026-09-08
  7. Moon Phases and Lunar Calendar app icon

    Moon Phases and Lunar Calendar

    Business City s.r.o.

    Check and track events

    Track , age, rise, and set times for your location. View next full dates. Check sun and times for specific dates and locations. Save and share data.

    ★ 4.937,728 ratingsWeatherFreeData updated 2026-10-24
  8. LunaSolCal app icon

    LunaSolCal

    Volker Vocking

    Track sunrise, sunset, and twilight times

    Calculate sunrise, sunset, moonrise, and moonset times for your location. Track solar noon, day length, and equation of time. View declination, twilight phases, and azimuth angles. Monitor seasonal dates, solstices, and equinoxes.

    ★ 4.91,180 ratingsUtilities$4.99Data updated 2026-10-05
  9. eWeather HD - Weather & Alerts app icon

    eWeather HD - Weather & Alerts

    Elecont LLC

    Weather information in one place.

    The app provides 15-day and hourly weather forecasts, severe weather alerts, and radar images. It includes air quality, earthquake data, and tide predictions.

    ★ 4.78,820 ratingsWeather$3.99Data updated 2026-10-24
  10. MOON - Current Moon Phase app icon

    MOON - Current Moon Phase

    MOON CALENDAR LTD

    Track phases and events

    View and future phases. Set reminders for lunar events. Share images with friends. Track phases and receive notifications for upcoming events.

    ★ 4.829,733 ratingsWeatherFreeData updated 2026-10-24
  11. Julian Calendar app icon

    Julian Calendar

    Applorium Ltd

    View dates with widgets

    View and switch between multiple formats including Short Date, Long Date, Date, and Mars Sol Date. Display dates on lock and home screen widgets. Convert to Unix time and other supported date systems.

    ★ 4.746 ratingsEducation$1.99Data updated 2026-09-06
  12. Unit Converter: Mila's Tools app icon

    Unit Converter: Mila's Tools

    Scott DeSapio

    Convert units across 16 categories

    Convert units across 16 categories with instant results. Switch between metric, imperial, and other systems. Calculate conversions for length, weight, temperature, and more. Store frequently used values for quick access.

    ★ 4.81,395 ratingsUtilitiesFreeData updated 2026-09-08
  13. Daily Horoscope - Astrology! app icon

    Daily Horoscope - Astrology!

    Astera Dijital Hizmetler Anonim Sirketi

    Unlock horoscopes and birth chart insights

    Access horoscopes based on birth chart data. View love compatibility insights. Explore detailed astrological readings for each star sign. Track personal cosmic journeys with personalized insights.

    ★ 4.636,348 ratingsLifestyleFreeData updated 2026-09-09
  14. Julian - Quick Dates app icon

    Julian - Quick Dates

    Juan Carlos Perez

    Convert between 11 formats

    Displays 11 date formats including CCSDS Date, Dublin Date, and Unix Time. It features a calendar to view daily . Tapping a date copies it to the clipboard for use in other apps.

    ★ 4.84,650 ratingsUtilitiesFreeData updated 2026-09-10
  15. Sun Tracker AR app icon

    Sun Tracker AR

    Zuzana Eskinasi

    Track solar paths in real-time AR

    Track the sun's position using augmented reality. View 2D and 3D solar path maps with compass and shadow simulation. Adjust settings for accurate solar projections. Save and share solar data for planning and analysis.

    ★ 4.81,061 ratingsPhoto & VideoFreeData updated 2026-09-17
  16. Deluxe Moon HD - Moon Phases Calendar app icon

    Deluxe Moon HD - Moon Phases Calendar

    Sergey Vdovenko

    Moon phases, eclipses, and gardening.

    The app provides comprehensive moon information, including phase times, zodiac signs, and gardening advice. It also features solar and lunar eclipses, red night mode, and horoscope data.

    ★ 4.8357 ratingsWeather$4.99Data updated 2026-09-24

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.