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Internet Download Accelerator vs Free Download Manager: catalog facts
Internet Download Accelerator	Free Download Manager
Freemium Free edition available, with a paid Pro version.	Free Free to use, with optional donations.
Windows	Windows, macOS, Linux, Android, Browser extension
Segmented downloads over HTTP, HTTPS and FTP Resumes broken downloads	Segmented downloading with automatic resume Built-in BitTorrent client with bandwidth control
Windows only Some features reserved for the paid Pro edition	Source code licence is not clearly stated on the homepage Video downloading depends on add-ons for supported sites
Downloadable app	Downloadable app, Browser extension
Closed source	Closed source
License not stated	License not stated
No account needed	No account 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 23, 2026

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