ProWritingAid is “a grammar checker, style editor, and writing mentor in one package.” Many consider it a good alternative to Grammarly.
They are currently offering 50% off their lifetime plan for Black Friday. The offer expires Tuesday, December 1 at 11:59 PST.
ProWritingAid is widely used for creative professional and content writers that want something beyond grammar and spell checking found in traditional WordProcessors. You can try the app in the browser by clicking here and choosing “Use App” from the menu.