Grammarly vs Laper

Grammarly is an AI writing assistant that checks grammar, spelling, punctuation, and style in real time across browsers, desktop apps, and mobile keyboards. It integrates directly into Gmail, Google Docs, Microsoft Word, Slack, and thousands of other websites via a browser extension. Beyond basic correctness, Grammarly analyzes tone and clarity, suggesting rewrites to make writing more concise, confident, or friendly depending on the context and audience selected by the user. GrammarlyGO adds generative AI features for drafting emails, replying to messages, and rewriting passages on demand, while Grammarly Business adds brand style guides and analytics for teams that need consistent written communication across an organization.

Laper is an AI screenwriting platform that combines automatic industry-standard screenplay formatting with AI assistance focused on structure, analysis, and production planning. It is designed for writers, directors, and producers who want AI support without replacing the creative writing process.

• Works across almost every app via browser extension
• Good tone and clarity suggestions beyond basic grammar
• GrammarlyGO speeds up drafting
• Free tier is genuinely useful

• Automatic Hollywood and Asian screenplay formatting
• AI only assists where writers want it, not full script generation
• Script structure visualization: scenes, characters, beats, locations
• Real-time collaboration using Loro CRDT sync

• Premium features behind a subscription
• Occasional over-aggressive suggestions
• Privacy concerns for some sensitive writing contexts

• No clear pricing details from the landing page
• Requires understanding of screenplay structure to get full value
• AI features may be limited to specific plans like Laper Master