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Perma.cc vs Share 2 Archive Today: catalog facts
Perma.cc	Share 2 Archive Today
Freemium Pricing details were not confirmed in the research; check the site for current plans.	Free Free and open source under the GPL-3.0.
Web	Android, iOS
Run by Harvard Library Permanent links that survive changes to the original page	Archives a link in one step from the share menu Available for both Android and iOS
Little public detail confirmed here on plans and limits Hosted service only	Archives are public on Archive.today Depends on the Archive.today service being reachable
Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Needs internet	Needs internet
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.