Best Ancient Calendars Apps

248+ iOS apps curated and reviewed

4.3 avg rating

18 free apps

Updated September 2026

Ancient Calendars is the household name in ancient calendars, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Ancient Calendars Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Ancient Calendars	$0.99	—	No	No	Jul 2026
2	Ancient Enoch Calendar	$1.99	2.9★ (10)	No	No	Aug 2026
3	Kemetic Calendar	Free	4.5★ (30)	No	Yes	Sep 2026
4	Attic Calendar	Free	5.0★ (5)	No	Yes	Jul 2026
5	Maya Calendar	Free was $0.99	3.2★ (13)	No	Yes	Aug 2026
6	Calendar App- Schedule Planner	Free	—	No	No	May 2026
7	Enoch Calendar	Free was $3.99	5.0★ (3)	No	Yes	Sep 2026
8	Cyrus Calendar	Free	5.0★ (17)	No	Yes	Aug 2026

Top Picks for Ancient Calendars

#1

Ancient Calendars by Jorge Santacruz

World's Lost Calendars

Editor's Choice

📚 Education

0.0(0 ratings)

$0.99

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#2

Ancient Enoch Calendar by RIP CURRENT INTERACTIVE LLC

Strong Contender

📊 Productivity

2.9(10 ratings)

$1.99

Ancient Enoch Calendar screenshot 1

This app provides a calendar based on ancient Zadok texts, allowing conversion from the Gregorian calendar. It helps users track dates according to a historical system.

#3

Kemetic Calendar by The Earth Center Of Maanu Inc

The Sidereal Calendar

Worth Considering

🌟 Lifestyle

4.5(30 ratings)

FreeIn-App Purchases

Kemetic Calendar screenshot 1

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Explore humanity's oldest calendar, based on the heliacal rising of Sirius. This app syncs with your phone, allows event scheduling, and educates on Divinities and Holy Days. Reconnect with ancient culture through astronomical accuracy.

More Ancient Calendars apps to explore

Ancient Greek Calendar

Explore the ancient Athenian calendar with this app. Track solstices, equinoxes, moon phases, and ancient Greek festivals. Features include customizable widgets for at-a-glance viewing and detailed calculation rules for historical accuracy.

Ancient Athenian calendar trackingSolstice and equinox markersMoon phase tracking

free with in-app purchases

by Edwin Barnhart

$0.99 | 100% OFF

Explore the ancient Maya calendar and its connection to the Gregorian calendar. Calculate dates, discover personality traits based on your Maya birthday, and learn about Maya history and time cycles. This app works offline, making it perfect for travel and study.

Maya and Gregorian date conversionMaya birthday calculation and personality insightsMaya historical events

Calendar App- Schedule Planner

Calendar App- Schedule Planner

Calendar App- Schedule Planner

Plan Your Day, Week & Life

📊 Productivity

The Original Bible Calendar

$3.99 | 100% OFF

This app presents an ancient 364-day solar calendar based on the Book of Enoch and Dead Sea Scrolls. It features precise date tracking for feasts, Sabbaths, and seasonal markers, with historical biblical events and personal event integration.

364-day solar calendarFeast and Sabbath trackingBiblical history events

تقویم شاهنشاهی کوروش کبیر

This app offers a calendar rooted in ancient Persian history, starting from the reign of Cyrus the Great. It emphasizes national identity and cultural heritage, aligning with the scientific accuracy of the Jalali calendar.

Imperial calendar based on Cyrus the Great's reignEmphasizes national identity and historical heritageConnects ancient Iran to the modern age

📊 Productivity

free with in-app purchases

Ancient slavic calendar

Ancient slavic calendar

Ancient slavic calendar

Ancient slavic calendar

Explore the ancient Slavic calendar system, known as Krugolet. Understand its hexadecimal calculations, 16-year cycles, and the 144-year Circle of Life. Discover its historical context and how it differs from the modern calendar.

Hexadecimal calculation system16-year Krugolet cycles144-year Circle of Life

free with in-app purchases

UniCal - Calendar Converter

UniCal - Calendar Converter

UniCal - Calendar Converter

Universal Calendar Converter

Explore historical and cultural dates across numerous global calendars. Convert any date to Gregorian, Hebrew, Islamic, Chinese, Maya, and many more. Get daily alerts for celebrations and saints.

Converts dates to 15+ calendarsSupports Gregorian, Hebrew, Islamic, Chinese, MayaDaily celebration and saint alerts

free with in-app purchases

a 13 month calendar app

Aztec Ancient Cal

Aztec Ancient Cal

Aztec Ancient Cal

by Julian Peeters

by James Derrick

Ethiopian Calendar + Converter

Ethiopian Calendar + Converter

Ethiopian Calendar + Converter

Holidays, Fasting, Amharic

This app provides an accurate and user-friendly Ethiopian calendar with event reminders and a dual-calendar date converter. It supports multiple languages and customizable themes for a personalized experience.

Dual calendar systemAccurate date converterEvent and reminder saving

📊 Productivity

Khmer Calendar +

Khmer Calendar +

Khmer Calendar +

Khmer Lunar Calendar

This app blends traditional Khmer lunar dates with smart reminders and cultural insights for daily planning. It offers moon phases, holidays, and custom notifications, all within a private, ad-free experience during sacred times.

Khmer lunar dates alongside international calendarMoon phases, public holidays, and festival trackingSmart reminders for daily planning

📊 Productivity

free with in-app purchases

Shamsi calendar reminder

📊 Productivity

iPersia Calendar تقویم ارز

iPersia Calendar تقویم ارز

iPersia Calendar تقویم ارز

تقویم شمسی، ارز و اوقات شرعی

This app offers a comprehensive Persian calendar with extensive features. It supports multiple calendar systems, event tracking, prayer times, currency rates, and customizable views. Enjoy daily quotes and notifications for Persian New Year.

Dual English/Farsi supportPersian, Islamic, Gregorian calendarsDate conversion

📊 Productivity

free with in-app purchases

Shahanshahi Calendar

Shahanshahi Calendar

Shahanshahi Calendar

Persian Imperial Calendar

Persian Calendar 2700

Persian Calendar 2700

Persian Calendar 2700

Persian Date & Event Tracker

Date Converter: Calendars

Date Converter: Calendars

Date Converter: Calendars

Convert dates across calendars

Easily convert dates between various calendar systems like Gregorian, Islamic, Coptic, and Hebrew. Features authentic month names and a modern, customizable interface for researchers, historians, and religious observers.

Convert between Gregorian, Islamic, Coptic, Um Al Qura, Hebrew, and Solar Hijri calendarsAuthentic month names for each calendar systemIntuitive, modern Material Design 3 interface

free with in-app purchases

FAQ about Ancient Calendars

Are there free ancient calendars apps for iPhone?

Yes — 18 of the top ancient calendars apps we rank are free to download, including Kemetic Calendar and Attic Calendar.

Does Ancient Calendars have ads or in-app purchases?

Ancient Calendars has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many ancient calendars apps are on the App Store?

We track 248+ ancient calendars apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.