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Primal vs Nostur: catalog facts
Primal	Nostur
Free The web client can be used without payment; pricing details are not shown on the page.	Free Available from the App Store or as a direct download, with published source.
Android, iOS, Web	macOS, iOS
Web and mobile versions of the same client Built-in wallet next to the social feed	Multiple accounts and a guest mode Posts stored on device with export
Nostr has a smaller audience than mainstream networks Little detail about the product is published on the homepage	Apple platforms only Zaps require a Lightning wallet
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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