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