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x42 plugins vs Youlean Loudness Meter: catalog facts
x42 plugins	Youlean Loudness Meter
Free Described as an open-source plugin collection; check the site for packaged builds.	Freemium Free version available, with a paid Pro version.
Linux	Windows, macOS
Standards-based level meters (IEC, EBU) Zero-latency equalizer with spectrum analyzer	Measures LUFS, LKFS, LRA and PLR Works as a standalone app and as a plugin in most DAWs
Requires an LV2 host or a JACK setup Site gives little release or platform detail	Some features need the paid Pro version No Linux version
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
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 October 2, 2026

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