GrammarlyGO hit 1.1 billion installs by baking generative AI into every text field on Earth. The 2025 “Full Article” button turns 3 bullet points into a 1,200-word post inside Gmail, Docs, or Notion—formatted, cited, and tone-matched. New “Reply Like a Pro” scans your inbox history and answers 50 emails in your exact style while you sip coffee. Free: 100 prompts/mo; Premium $12/mo adds plagiarism checker and full rewrite; Business $15/user/mo includes team style guide. In academic tests, GrammarlyGO papers score 24% higher on coherence. Real-time fact-check flags 94% of hallucinations before you hit send. From 400-word cover letters that land interviews to 50-page quarterly reports that impress the board, GrammarlyGO is the invisible editor that never sleeps.