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Openvibe vs Sky.app: catalog facts
Openvibe	Sky.app
Free Available as a free download from the App Store and Google Play.	Free Free to download from GitHub releases.
Android, iOS	macOS
Single timeline across Mastodon, Bluesky, Nostr and Threads Available on both iOS and Android	Extensive keyboard shortcuts Notification badges including unread chats
Not open source Needs accounts on the networks you want to follow	Unofficial client maintained by one developer Licence is not clearly identified
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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