Plus I notice Roon operates on a subscription or one off 'lifetime' model for a year (or however long it takes for them to go bust'. No mention of what happens

Plus I notice Roon operates on a subscription or one off 'lifetime' model for a year (or however long it takes for them to go bust'. No mention of what happens if you decide to stop using it. Is your library catalogue forever locked to their particular listing format if you want to move on? Probably.