Tools · Comparison

Cmd J vs Grammarly vs Shortwave

All three are writing & content tools. Here is what separates them.

	Cmd J	Grammarly	Shortwave
What it is	Boost productivity with Cmd J AI Assistant — write, code, and search faster using a simple browser shortcut powered by ChatGPT.	Grammarly makes AI writing convenient. Work smarter with personalized AI guidance and text generation on any app or website.	Agentic AI that helps you organize, write, search, schedule, and more with just a prompt
Category	Writing & Content	Writing & Content	Writing & Content
Pricing	Freemium	Freemium · $12-$15/mo	Freemium
How it bills	Not published	Flat monthly	Not published
Free tier	Yes	Yes	Yes
Rating	Not yet rated	4.6 from 1 reviews	Not yet rated
Features	—	Grammar & spelling check Tone detection Clarity suggestions GrammarlyGO AI writing Plagiarism detection Browser extension Desktop app Brand tones	—
What works	Has a free tier, so it can be tried before paying Sits in Writing & Content, one of the better-covered categories here — easy to compare	Works everywhere Excellent accuracy Free tier is useful Non-intrusive Trusted by millions	—
What does not	Does not publish a price on its own site, so the cost is only clear after signing up 206 other tools in this catalogue claim to do the same job	Premium required for advanced features Can be over-aggressive Limited creative writing support Privacy concerns	—