Desktop and web
The Mac and Windows apps, and a web player for any browser.
On a computer
The desktop apps play lossless and hi-res through your DAC untouched in exclusive mode. The web player is for quick listening at work.
Mac
macOS 12 or later
Windows
Windows 10 or later
Web player
Up to 320 kbps
Exclusive mode
Mac and Windows apps
Requirements (sample).
Start with an album you know well
Longplay is free to download. Try the same record on Normal and on Lossless, with your own headphones, and decide whether you hear the difference.