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Vienna RSS vs lire: catalog facts
Vienna RSS	lire
Free Free and open source under the Apache licence.	Paid A one-time purchase is required, per platform.
macOS	macOS, iOS
Smart folders assemble articles from any feed by criteria you define Native Mac application rather than a web wrapper	Downloads full articles ahead of time for genuine offline reading Search covers the downloaded article text, not just titles
macOS only Sync support is limited compared with commercial readers	Paid purchase per platform Apple platforms only
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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