CHECK Analyzer is a free spectral mono compatibility analyzer plugin developed by KERN Audio. You can download this metering tool for your DAW and use it to pinpoint which mix frequencies collapse when summing to mono. The plugin is fully royalty-free and there’s no sign-up or time limit needed—just head to the developer’s site and grab it.
Features and Specs
- Spectral frequency analysis for mono compatibility
- Visualizes where stereo elements lose presence in mono
- VST3 and Audio Unit plugin formats
- Designed for Windows and macOS DAWs
- No user registration required to download
CHECK Analyzer helps you catch common mix issues for tracks intended for club, radio, or streaming, where mono playback is important. The real-time frequency display makes it easy to see and correct phase cancellations and stereo-to-mono translation problems. It’s lightweight and laser-focused—ideal for fast workflow checks alongside conventional metering.

Licensing and Compatibility
You can use CHECK Analyzer royalty-free in your music projects, including commercial releases. It works in any DAW that supports VST3 or Audio Unit formats on Windows or macOS. Installation is straightforward and doesn’t require a license key or activation.
How to Download CHECK Analyzer
To get CHECK Analyzer, go to KERN Audio’s official plugin page and download the installer. There are no restrictions, so you can start using it immediately. The plugin is available for free in 2026 and there is currently no indication of a future price change.
Quick Facts: CHECK Analyzer from KERN Audio is a free spectral mono compatibility plugin, available for instant download with royalty-free use and no sign-up required.
Ready to spot mix issues before mastering? Download CHECK Analyzer now directly from KERN Audio.
FAQ
Is CHECK Analyzer completely free?
CHECK Analyzer is 100% free to download and use, with no sign-up or payment required.
Is CHECK Analyzer royalty-free for commercial music?
You can use CHECK Analyzer in commercial tracks with no licensing restrictions.
What DAWs and formats does CHECK Analyzer support?
The plugin works with VST3 and Audio Unit DAWs on Windows and macOS.