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Ninja Download Manager vs Internet Download Manager: catalog facts
Ninja Download Manager	Internet Download Manager
Freemium Free download with a paid NDM Pro version.	Paid Paid licence after a 30-day free trial.
Windows, macOS	Windows, Browser extension
Multi-connection downloads with pause and resume Queues, scheduling and speed limits	Dynamic segmentation for faster downloads Resumes interrupted downloads
Some features reserved for the paid Pro version Closed source	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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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