MayanChart: Maya Calendar
Tzolk'in · Long Count & Haab'
About
Explore the Classic Maya calendar, including Long Count, Tzolk'in, and Haab' cycles. Track your daily sign, birth chart, and gain insights into Maya cosmology. Offers optional AI explanations for computed facts.
What's New in MayanChart
2.0
September 3, 2026
What’s new in MayanChart: A clearer day-keep companion — Help when you need it, share when you want it. • Help & FAQ — restore, wipe, what Free includes vs Pro, and privacy • Share Chart Facts as plain text (PDF stays Pro) • Settings: Subscribe when Free, plus on-device AI status • Reduce Motion respected from the first launch screen Thank you for keeping the day with MayanChart.
MoreSubscription plans
MayanChart AI Monthly Pro
MayanChart AI Monthly Pro Plan
Developer apps
FAQ
What is MayanChart?
MayanChart is a Classic Maya day-keep companion that displays the Long Count, Tzolk'in, and Haab' calendars on your iPhone. It helps you understand today's count in relation to your birth date and offers optional AI explanations for computed facts.
Does MayanChart have ads?
MayanChart does not contain advertisements. It is free to download and use, with optional in-app purchases for advanced features.
What are the subscription options for MayanChart?
MayanChart offers two subscription plans: MayanChart AI Monthly Pro for $7.99 per month and MayanChart AI Pro Annual for $59.99 per year. These plans unlock additional features like unlimited Ask, History, compatibility, and forecasts.
Is MayanChart accurate?
MayanChart's engine is designed to accurately compute Maya calendar facts, including Long Count, Day Sign, and Haab' dates. AI explanations are used to clarify computed facts, but the AI never invents calendar data.
What devices does MayanChart support?
MayanChart is supported on Apple Watch, iPhone, and iPad, allowing you to access Maya calendar information across your Apple devices.
How often is MayanChart updated?
The latest version of MayanChart is 2.0, last updated on September 3, 2026. Updates typically include improvements to features and reliability.
Is MayanChart suitable for children?
MayanChart has an age rating of 4+, making it suitable for younger users interested in cultural learning. The app focuses on educational content about the Maya calendar.
Can I use MayanChart offline?
MayanChart is designed with a local-first approach, meaning chart math stays on your iPhone. This allows for much of its functionality to be used offline.