Novlr offers Free Trial, but Write.as does not.
Novlr is designed for Medium Business and Small Business.
Write.as is designed for and undefined.
Pricing for Novlr Starts at $15/Month when Billed Yearly whereas for Write.as Starts at $6/Month when Billed Yearly.
Some top alternatives to Novlr includes Dabble, WriteNext, Qualified, Workvivo, BlogSmith, Novelitist, Write.as, NoRedInk, Scrilys, Writeby, Writing Analytics and Squibler.
Some top alternatives to Write.as includes Letterpad, WriteNext, Qualified, Docswrite, Workvivo, WriteTomorrow, Novlr, Write Invisible, Spaces, Writeby, Write.md and Mindwave.