aCal: CalDAV Calendar

Content rating
Everyone
100+
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Content rating
Everyone
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About this app

aCal is an Android calendar application that syncs with CalDAV/CardDAV servers. It supports events, tasks, and notes with full iCalendar (RFC 5545) and WebDAV (RFC 4918) protocol implementation.

The source code for aCal is available at https://github.com/karora/aCal
Updated on
Jul 17, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

Fix various synchronization bugs, add resync / full resync options per calendar settings
Fix various EXDATE, RDATE, COUNT bugs
Fix rare local loss of the whole calendar list (and per-calendar settings) when refreshing the collection list failed part-way
Calendar colours now stored on the server in Apple-compatible form, so they survive a rebuild and are shared with other clients
Content rating
Everyone
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App support

Phone number
+64272886741
About the developer
Andrew McMillan
andrew@mcmillan.net.nz
6 Karoro Place Paremata Porirua 5024 New Zealand

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