Lacuna
8.2#1 in audio converter softwareFrom $9.50 a monthFree planiOSWebAPIExtension
VisitLacuna may suit writers and producers who want help drafting or revising lyrics, including users writing in one of its supported languages. It also offers a route from lyrics to an AI-vocal track.
LyricFlow AI suits songwriters who want a browser-based place to draft lyrics, organize style tags and research references. Pro may suit users seeking AI writing tools, while the Free plan has no AI features.