Yes, both NexBot and WritingAssistant offer a Free Trial.
NexBot is designed for Large Enterprises, Medium Business and Small Business.
WritingAssistant is designed for Large Enterprises, Medium Business and Small Business.
Pricing for NexBot Starts at $8/Month whereas for WritingAssistant Starts at $1.99/Month.
Some top alternatives to NexBot includes ProWritingAid, Linguix, WritingAssistant, Writer, Conversion.ai, Contentbot.ai, TextWizard and Ginger.
Some top alternatives to WritingAssistant includes ProWritingAid, Linguix, Writer, WriteMe.ai, Ginger, Enwrite, PerfectEssayWriter.ai and Easy-Peasy.AI.