Grammarly
AI writing assistant that checks every email and document.
Visit Grammarly Free, Premium $12/mo
What is Grammarly?
Grammarly checks grammar, tone, and clarity across every app you write in. The 2026 version added generative writing — drafts, rewrites, and tone shifts. Free tier is excellent.
Key features
- Grammar and spelling
- Tone detection and adjustment
- Generative drafting (Premium)
- Plagiarism check (Premium)
- Works in 500+ apps and websites
Pros
- Free tier extremely useful
- Works everywhere you write
- Catches mistakes other tools miss
- Tone suggestions are surprisingly good
Cons
- Premium features overlap with ChatGPT
- Privacy concerns for sensitive writing
- Can be overzealous with suggestions
Best for
Non-native English speakersProfessional writersEmail-heavy workers
