When comparing Metro vs Ardour, the Slant community recommends Ardour for most people. In the question“What are the best DAWs?” Ardour is ranked 10th while Metro is ranked 41st.
Ranked in these QuestionsQuestion Ranking
Metro's interface only includes essential features.
Metro has exceptional stability.
Pro Very small footprint
Metro's minimal UI and lack of bells and whistles makes it very easy on memory.
Pro Attentive support
When a user reports a bug, it is usually fixed within two days.
Pro Great MIDI editing
One of the biggest focuses of Metro is high MIDI editing capabilities.
Pro Clean linear interface
Pro Open source
Ardour is open source, so it can be downloaded and modified without restriction.
Pro Compatible with Linux, Windows 7/8.1/19 and OS X
Pro Free version with minimal limitations
Unlike some other DAW's which often limit saving, exporting, or advanced features, Ardour permits you to try all the features for free, with the only limitation being ten minutes of project length maximum.
Con Only works as a master
When a clip or plugin is interacting with a DAW, the master controls tempo, while the slave's tempo is dictated by the master. Metro only has master capabilities, meaning that plugins or clips with a specific tempo will not sync correctly.
Con No support for VST plugins for OS X
Plugins can be used on OS X only if they are downloaded in AU format, which is supported.
Con Not user friendly
Ardour is very difficult to install and use.
Con Missing compatibility
Ardour isn't compatible with Windows.