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Instant.io vs Seedr: catalog facts
Instant.io	Seedr
Free Free to use; the source is published on GitHub.	Freemium Free account available; paid plans add storage, speed and streaming features.
Web	Web, Browser extension
No installation or account Drag-and-drop sharing with a magnet link	Nothing to install; works in the browser Built-in player and casting to a TV
Files are only shared while the browser tab stays open No end-to-end encryption	Files are stored on a third-party service More storage and speed require a paid plan
Web application	Web application, Hosted service, Browser extension
Open source	Closed source
License not stated	License not stated
No 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 September 24, 2026

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