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Internet Download Accelerator vs Internet Download Manager: catalog facts
Internet Download Accelerator	Internet Download Manager
Freemium Free edition available, with a paid Pro version.	Paid Paid licence after a 30-day free trial.
Windows	Windows, Browser extension
Segmented downloads over HTTP, HTTPS and FTP Resumes broken downloads	Dynamic segmentation for faster downloads Resumes interrupted downloads
Windows only Some features reserved for the paid Pro edition	Paid after the trial period Windows only
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.