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News Explorer vs Vienna RSS: catalog facts
News Explorer	Vienna RSS
Paid Paid app with a 14-day free trial.	Free Free and open source under the Apache licence.
macOS, iOS	macOS
iCloud sync with no separate account Follows Reddit, Mastodon, YouTube and podcast feeds as well as RSS	Smart folders assemble articles from any feed by criteria you define Native Mac application rather than a web wrapper
Apple devices only Sync depends on iCloud	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
No account 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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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