Tools · Comparison

Grammarly vs Skim It vs Writesonic

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

	Grammarly	Skim It	Writesonic
What it is	Grammarly makes AI writing convenient. Work smarter with personalized AI guidance and text generation on any app or website.	Email any article link to go@SkimIt.ai and receive an AI-generated summary in your inbox within minutes. No app, no signup — just email.	The AI Search Growth Engine. GEO, AEO, and AI visibility in one platform. Track 10 AI platforms, run the work, prove the lift. Trusted by Amazon, Unilever, Acer & NP Digital.
Category	Writing & Content	Writing & Content	Writing & Content
Pricing	Freemium · $12-$15/mo	Paid	Freemium · Free · from $16/mo
How it bills	Flat monthly	Not published	Flat monthly
Free tier	Yes	No	Yes
Rating	4.6 from 1 reviews	Not yet rated	Not yet rated
Features	Grammar & spelling check Tone detection Clarity suggestions GrammarlyGO AI writing Plagiarism detection Browser extension Desktop app Brand tones	—	Research-backed article generation Keyword and SEO tooling Ad and landing-page copy Brand voice training Bulk generation
What works	Works everywhere Excellent accuracy Free tier is useful Non-intrusive Trusted by millions	The vendor lists 6 distinct capabilities Sits in Writing & Content, one of the better-covered categories here — easy to compare	Covers the whole content pipeline Citations reduce fabrication Bulk mode suits agencies
What does not	Premium required for advanced features Can be over-aggressive Limited creative writing support Privacy concerns	No free tier — it has to be paid for before it can be tried 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 80 tools in the same category have a free tier	Output needs editing to sound human Credit system is confusing Quality varies by template

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