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Ear Tag vs Kid3: catalog facts
Ear Tag	Kid3
Free Free and open source under the MIT licence.	Free Free and open source. Hosting, hardware and any external services are separate.
Linux	Windows, macOS, Linux, Android
Simple interface for editing tags Native GNOME app	Supports multiple audio tag formats Can rename files using tag information
Linux only Fewer bulk features than larger tag editors	Tagging changes metadata rather than repairing the audio itself.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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