Macgo is worth comparing when you want a Mac-focused paid player rather than a broad free media suite.
What is clear from current sources
The Mac App Store listing requires a Blu-ray-capable optical drive and states that Ultra HD Blu-ray is not supported. Menu input can also depend on keyboard navigation.
What to verify before purchase
Check the current macOS version, Apple silicon support, website-versus-App-Store edition, refund path, and the disc features you need.
What remains unverified
Hands-on tests are still required for menu speed, disc compatibility, subtitle switching, and multichannel audio output.