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KashCal vs ICSx⁵: catalog facts
KashCal	ICSx⁵
Free Free and open source with no ads.	Free Free and open source under the GPL-3.0 licence.
Android	Android
iCloud calendar sync on Android Works with Nextcloud, Fastmail and other CalDAV servers	Works with any Android calendar app Supports both Webcal URLs and local files
Android only Calendar only, no task or contact management in the app	Subscribed calendars are read-only No two-way sync; DAVx⁵ is needed for that
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0-only
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.