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Ivory vs Ice Cubes: catalog facts
Ivory	Ice Cubes
Paid Paid app with a free 7-day trial.	Free Free and open source; source code is published on GitHub.
macOS, iOS	macOS, iOS
Timeline position syncs across devices Native design for iPhone, iPad and Mac	Native SwiftUI app for iPhone and Mac Widgets, share extension and Shortcuts support
Apple platforms only Paid after the trial	Apple platforms only Requires an account on a Mastodon server
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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