Compare software

Elk vs Ivory: catalog facts
Elk	Ivory
Free Free to use and open source.	Paid Paid app with a free 7-day trial.
Web	macOS, iOS
Nothing to install, runs in any modern browser Works with an account on an existing Mastodon server	Timeline position syncs across devices Native design for iPhone, iPad and Mac
Mastodon focused rather than covering every fediverse platform Requires a Mastodon account	Apple platforms only Paid after the trial
Web application	Downloadable app
Open source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
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.