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SmartDNS vs Diversion: catalog facts
SmartDNS	Diversion
Free Free to use, with source code published on GitHub.	Free Free script installed through amtm.
Linux, Self-hosted	Self-hosted, Command line
Picks the fastest upstream answer rather than the first reply Supports DoT, DoH, DoQ and DoH3 upstreams	Network-wide blocking directly on the router Managed and updated through amtm
Main readme is in Chinese, with a separate English version Needs manual configuration with no graphical interface	Only works on Asus routers with Asuswrt-Merlin firmware Router storage and memory limit how large blocklists can be
Downloadable app, Self-hosted	Self-hosted
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.