Grammarly
An AI writing assistant that checks grammar, tone, and clarity as you type.
Freemium
From : Free (Plus from $12/mo)
Grammarly works as a browser extension or app that scans your writing in real time across almost any platform — email, docs, social media — flagging grammar mistakes, awkward phrasing, and tone issues, then suggesting fixes you can apply with one click.
Pros
- + Works across almost any app or website
- + Catches tone, not just spelling errors
- + Free plan is genuinely useful
Cons
- − Premium can feel pricey for casual users
- − Occasionally over-corrects stylistic choices